diff --git a/DEPENDENCIES b/DEPENDENCIES
index 128063f..08d5825 100644
--- a/DEPENDENCIES
+++ b/DEPENDENCIES
@@ -1,4 +1,5 @@
 vendorpull https://github.com/sourcemeta/vendorpull dea311b5bfb53b6926a4140267959ae334d3ecf4
+nasa-gcn-4-0-0 https://github.com/nasa-gcn/gcn-schema v4.0.0
 nasa-gcn-4-1-0 https://github.com/nasa-gcn/gcn-schema v4.1.0
 nasa-gcn-4-2-0 https://github.com/nasa-gcn/gcn-schema v4.2.0
 osv-schema-1-5-0 https://github.com/ossf/osv-schema v1.5.0
diff --git a/configuration.json b/configuration.json
index dcbb495..0817bba 100644
--- a/configuration.json
+++ b/configuration.json
@@ -67,6 +67,10 @@
       "base": "https://gcn.nasa.gov/schema/v4.1.0/gcn",
       "path": "./vendor/nasa-gcn-4-1-0"
     },
+    "nasa/gcn/v4.0.0": {
+      "base": "https://gcn.nasa.gov/schema/v4.0.0/gcn",
+      "path": "./vendor/nasa-gcn-4-0-0"
+    },
     "ossf/osv/v1.6.7": {
       "base": "https://raw.githubusercontent.com/ossf/osv-schema/main/validation",
       "path": "./vendor/osv-schema-1-6-7"
diff --git a/vendor/nasa-gcn-4-0-0.mask b/vendor/nasa-gcn-4-0-0.mask
new file mode 100644
index 0000000..aa3f8ba
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0.mask
@@ -0,0 +1,31 @@
+.husky/
+.npmrc
+index.js
+package-lock.json
+package.json
+README.md
+update-tags.mjs
+validate.mjs
+gcn/notices/glowbug/Alert.example.json
+gcn/notices/core/Reporter.example.json
+gcn/notices/core/Statistics.example.json
+gcn/notices/core/Localization.example.json
+gcn/notices/core/Pointing.example.json
+gcn/notices/burstcube/test.example.json
+gcn/notices/burstcube/alert.example.json
+gcn/notices/heasarc/archive_alert.example.json
+gcn/notices/swift/bat/guano.loc_map.example.json
+gcn/notices/swift/bat/Guano.example.json
+gcn/notices/swift/bat/Guano.Retraction.example.json
+gcn/notices/swift/bat/guano.loc_arc_min.example.json
+gcn/notices/icecube/test/gold_bronze_track_alerts.example.json
+gcn/notices/icecube/test/gold_bronze.update.example.json
+gcn/notices/icecube/lvk_nu_track_search.example.json
+gcn/notices/einstein_probe/wxt/alert.example.json
+gcn/notices/svom/eclairs/trigger.catalog.example.json
+gcn/notices/svom/eclairs/trigger.slewing.example.json
+gcn/notices/svom/eclairs/trigger.not-slewing.example.json
+gcn/notices/svom/eclairs/trigger.wakeup.example.json
+gcn/notices/svom/grm/trigger.example.json
+gcn/circulars.example.json
+gcn/notices/einstein_probe/wxt/alert.schema.example.json
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/burstcube/alert.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/burstcube/alert.schema.json
new file mode 100644
index 0000000..4f6d2ea
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/burstcube/alert.schema.json
@@ -0,0 +1,27 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/burstcube/alert.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "Alert",
+  "description": "BurstCube Trigger Alert",
+  "type": "object",
+  "allOf": [
+    { "$ref": "../core/Alert.schema.json" },
+    { "$ref": "../core/Reporter.schema.json" },
+    { "$ref": "../core/DateTime.schema.json" },
+    { "$ref": "../core/Event.schema.json" },
+    { "$ref": "../core/Localization.schema.json" },
+    { "$ref": "../core/Statistics.schema.json" },
+    { "$ref": "../core/Duration.schema.json" }
+  ],
+  "properties": {
+    "detector_status": {
+      "type": "object",
+      "properties": {
+        "CsI0": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI1": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI2": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI3": { "$ref": "../core/DetectorStatus.schema.json" }
+      }
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/burstcube/test.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/burstcube/test.schema.json
new file mode 100644
index 0000000..647f74a
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/burstcube/test.schema.json
@@ -0,0 +1,27 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/burstcube/test.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "Alert",
+  "description": "BurstCube Trigger Alert",
+  "type": "object",
+  "allOf": [
+    { "$ref": "../core/Alert.schema.json" },
+    { "$ref": "../core/Reporter.schema.json" },
+    { "$ref": "../core/DateTime.schema.json" },
+    { "$ref": "../core/Event.schema.json" },
+    { "$ref": "../core/Localization.schema.json" },
+    { "$ref": "../core/Statistics.schema.json" },
+    { "$ref": "../core/Duration.schema.json" }
+  ],
+  "properties": {
+    "detector_status": {
+      "type": "object",
+      "properties": {
+        "CsI0": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI1": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI2": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI3": { "$ref": "../core/DetectorStatus.schema.json" }
+      }
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/AdditionalInfo.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/AdditionalInfo.schema.json
new file mode 100644
index 0000000..cae200a
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/AdditionalInfo.schema.json
@@ -0,0 +1,13 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/AdditionalInfo.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "Comments",
+  "description": "Comments that are not summarized elsewhere in schema",
+  "properties": {
+    "additional_info": {
+      "type": "string",
+      "description": "Additional information about the event"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Alert.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Alert.schema.json
new file mode 100644
index 0000000..a413778
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Alert.schema.json
@@ -0,0 +1,28 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/Alert.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "Alert",
+  "description": "Alert Information description properties of this notice",
+  "type": "object",
+  "properties": {
+    "alert_datetime": {
+      "type": "string",
+      "description": "Date and time of notice creation [UTC, ISO 8601], ex YYYY-MM-DDTHH:MM:SS.ssssssZ"
+    },
+    "alert_tense": {
+      "enum": [
+        "current",
+        "archival",
+        "planned",
+        "injection",
+        "commanded",
+        "test"
+      ],
+      "description": "Indication of whether this alert refers to a recent observation (current), re-analysis of archival data (archival), a planned observation in the future (planned), a signal injection (injection), commanded trigger (commanded) or a test trigger (test)."
+    },
+    "alert_type": {
+      "enum": ["initial", "update", "retraction"],
+      "description": "Indication of alert sequence if multiple of same type sent"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/DateTime.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/DateTime.schema.json
new file mode 100644
index 0000000..c8b175e
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/DateTime.schema.json
@@ -0,0 +1,25 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/DateTime.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "DateTime",
+  "description": "Time descriptions of transient event and observation",
+  "type": "object",
+  "properties": {
+    "trigger_time": {
+      "type": "string",
+      "description": "Time of the trigger [ISO 8601], ex YYYY-MM-DDTHH:MM:SS.ssssssZ"
+    },
+    "observation_start": {
+      "type": "string",
+      "description": "Start time of the observation [ISO 8601]"
+    },
+    "observation_stop": {
+      "type": "string",
+      "description": "Stop time of the observation [ISO 8601]"
+    },
+    "observation_livetime": {
+      "type": "number",
+      "description": "Livetime of the observation [s]"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/DetectorStatus.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/DetectorStatus.schema.json
new file mode 100644
index 0000000..b0e2268
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/DetectorStatus.schema.json
@@ -0,0 +1,7 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/DetectorStatus.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "DetectorStatus",
+  "enum": ["on", "off", "triggered"],
+  "description": "Status of a specified detector at the time of the alert"
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Distance.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Distance.schema.json
new file mode 100644
index 0000000..1603509
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Distance.schema.json
@@ -0,0 +1,19 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/Distance.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "Distance",
+  "description": "Luminosity Distance",
+  "properties": {
+    "luminosity_distance": {
+      "type": "number",
+      "description": "Luminosity distance [Mpc]"
+    },
+    "luminosity_distance_error": {
+      "type": "array",
+      "items": { "type": "number" },
+      "maxItems": 2,
+      "description": "Luminosity distance uncertainty [Mpc, 1-sigma], with optional asymmetric uncertainty"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Duration.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Duration.schema.json
new file mode 100644
index 0000000..10972fc
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Duration.schema.json
@@ -0,0 +1,28 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/Duration.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "Duration",
+  "properties": {
+    "t90": {
+      "type": "number",
+      "description": "Time duration of central 90% of integrated fluence [s]"
+    },
+    "t90_error": {
+      "type": "array",
+      "items": { "type": "number" },
+      "maxItems": 2,
+      "description": "1-sigma uncertainty of the T90 duration [s], with asymmetric statistical errors taken into account"
+    },
+    "t50": {
+      "type": "number",
+      "description": "Time duration of central 50% of integrated fluence [s]"
+    },
+    "t50_error": {
+      "type": "array",
+      "items": { "type": "number" },
+      "maxItems": 2,
+      "description": "1-sigma uncertainty of the T50 duration [s], with asymmetric statistical errors taken into account"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Event.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Event.schema.json
new file mode 100644
index 0000000..19b2244
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Event.schema.json
@@ -0,0 +1,23 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/Event.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "Event Information",
+  "description": "Name or names of the event",
+  "properties": {
+    "event_name": {
+      "type": "array",
+      "items": { "type": "string" },
+      "description": "Name of the event (ex: GRB 170817A, GW170817, AT2017gfo, SSS 17a)"
+    },
+    "id": {
+      "type": "array",
+      "items": { "oneOf": [{ "type": "string" }, { "type": "number" }] },
+      "description": "Instrument-specific trigger ID (ex: bn230313485 (Fermi), 1159327 (Swift)) or alternate ID"
+    },
+    "data_archive_page": {
+      "type": "string",
+      "description": "URL of archived data files"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/FollowUp.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/FollowUp.schema.json
new file mode 100644
index 0000000..c78c755
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/FollowUp.schema.json
@@ -0,0 +1,26 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/FollowUp.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "FollowUp",
+  "description": "Schema specific to follow-up cases",
+  "type": "object",
+  "properties": {
+    "ref_type": {
+      "type": "string",
+      "description": "Type of the event detected, ex. GRB, GW, neutrino"
+    },
+    "ref_instrument": {
+      "type": "string",
+      "description": "Name of the reference mission or, instrument, ex. Fermi-GBM"
+    },
+    "ref_ID": {
+      "type": "string",
+      "description": "Trigger ID as reported by the reference instrument, ex. bnYYMMDDFF"
+    },
+    "reference": {
+      "type": "object",
+      "additionalProperties": { "type": ["number", "string"] },
+      "description": "Reference as distributed by the notices or circulars or ATel, ex. gcn circulars: 12345, gcn.notices.LVK.alert: SYYMMDDak-2-preliminary. "
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/HardnessRatio.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/HardnessRatio.schema.json
new file mode 100644
index 0000000..8ae7f4e
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/HardnessRatio.schema.json
@@ -0,0 +1,33 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/HardnessRatio.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "HardnessRatio",
+  "description": "Hardness Ratio parameterization",
+  "properties": {
+    "hardness_ratio": {
+      "type": "number",
+      "description": "ratio of flux between high and low energy bands"
+    },
+    "hardness_ratio_error": {
+      "type": "array",
+      "items": { "type": "number" },
+      "maxItems": 2,
+      "description": "ratio of flux between high and low energy bands, with asymmetric statistical errors taken into account"
+    },
+    "energy_range_soft": {
+      "type": "array",
+      "items": { "type": "number" },
+      "description": "Energy range [keV] used in soft band of hardness ratio",
+      "minItems": 2,
+      "maxItems": 2
+    },
+    "energy_range_hard": {
+      "type": "array",
+      "items": { "type": "number" },
+      "description": "Energy range [keV] used in hard band of hardness ratio",
+      "minItems": 2,
+      "maxItems": 2
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Localization.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Localization.schema.json
new file mode 100644
index 0000000..036917d
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Localization.schema.json
@@ -0,0 +1,64 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/Localization.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "Localization",
+  "description": "Localization of transient",
+  "properties": {
+    "ra": {
+      "type": "number",
+      "description": "ICRS right ascension [deg], utilizes the J2000 epoch and an equatorial coordinate system"
+    },
+    "dec": {
+      "type": "number",
+      "description": "ICRS declination [deg], utilizes the J2000 epoch and an equatorial coordinate system"
+    },
+    "ra_dec_error": {
+      "anyOf": [
+        {
+          "type": "number",
+          "description": "Uncertainty region described as a circle with a radius [deg]."
+        },
+        {
+          "type": "array",
+          "items": { "type": "number" },
+          "minItems": 1,
+          "maxItems": 3,
+          "description": "An array of up to three values that describe the localization region as an ellipse: length of the semi-major axis, length of the semi-minor axis (default is the same as the semi-major axis), and astronomical position angle of the semi-major axis (measured from North through East, default is zero)."
+        }
+      ]
+    },
+    "containment_probability": {
+      "type": "number",
+      "description": "Containment probability [dimensionless, 0-1]; if absent, default is 0.9",
+      "default": 0.9
+    },
+    "systematic_included": {
+      "type": "boolean",
+      "description": "Contains true when the systematic error is included and false when the systematic error is not included",
+      "default": false
+    },
+    "instrument_phi": {
+      "type": "number",
+      "description": "Instrument phi [deg]"
+    },
+    "instrument_theta": {
+      "type": "number",
+      "description": "Instrument theta [deg]"
+    },
+    "instrument_semimajor_angle": {
+      "type": "number",
+      "description": "Position angle of semi-major axis in instrument coordinates [deg]"
+    },
+    "healpix_url": {
+      "type": "string",
+      "description": "URL of HEALPix localization probability file"
+    },
+    "healpix_file": {
+      "type": "string",
+      "contentEncoding": "base64",
+      "contentMediaType": "image/fits",
+      "description": "Base 64 encoded content of a FITS file"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Orbit.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Orbit.schema.json
new file mode 100755
index 0000000..bcb359e
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Orbit.schema.json
@@ -0,0 +1,26 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/GeoLocBase.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "Spacecraft Geolocation and McIlwain L",
+  "description": "Enables GCN providers to include spacecraft geolocation and McIlwain L-Parameter.",
+  "type": "object",
+  "properties": {
+    "latitude": {
+      "type": "number",
+      "description": "Geocentric latitude [deg]"
+    },
+    "longitude": {
+      "type": "number",
+      "description": "Geocentric longitude [deg]"
+    },
+    "altitude": {
+      "type": "number",
+      "description": "Distance from the surface of the Earth [km]."
+    },
+    "mcilwain_l": { "type": "number", "description": "McIlwain L-parameter" },
+    "geoloc_time": {
+      "type": "string",
+      "description": "Time [UTC, ISO 8601] of the geolocation and McIlwain L-parameter, if different than the trigger time."
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Pointing.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Pointing.schema.json
new file mode 100644
index 0000000..93b14e1
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Pointing.schema.json
@@ -0,0 +1,44 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/Pointing.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "Instrument Pointing",
+  "description": "Instrument pointing and rotational rates.",
+  "$comment": "Providers should $ref this schema directly but Attitudes.schema.json instead.",
+  "type": "object",
+  "properties": {
+    "ra": {
+      "type": "number",
+      "description": "RA pointing of the instrument Z axis"
+    },
+    "dec": {
+      "type": "number",
+      "description": "Dec pointing of the instrument Z axis"
+    },
+    "roll": {
+      "type": "number",
+      "description": "Roll [deg] of the instrument about its Z axis"
+    },
+    "position_angle": {
+      "type": "number",
+      "description": "Rotation angle [deg] between the spacecraft X-Z plane and the plane defined by the spacecraft X-axis and celestial North"
+    },
+    "attitude_quarternion": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 4,
+      "maxItems": 4,
+      "description": "Representing attitude state of a spacecraft, using four element vector [q1, q2, q3, q4], composed of a scalar and 3 element unit vector."
+    },
+    "rotation_rate": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 3,
+      "maxItems": 3,
+      "description": "Rotational rate [rad/s] about the X, Y, and Z axes respectively"
+    },
+    "time": {
+      "type": "string",
+      "description": "Time [UTC, ISO 8601] of this data, if different than the trigger time."
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Redshift.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Redshift.schema.json
new file mode 100644
index 0000000..963e72d
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Redshift.schema.json
@@ -0,0 +1,21 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/Redshift.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "Redshift",
+  "description": "Redshift measure of transient",
+  "properties": {
+    "redshift": {
+      "type": "number",
+      "description": "Displacement of spectral lines toward longer wavelengths [sigma]"
+    },
+    "redshift_error": {
+      "type": "array",
+      "items": { "type": "number" },
+      "maxItems": 2,
+      "description": "Error in redshift, array for asymmetric statistical errors"
+    },
+    "redshift_measure": { "enum": ["spectroscopic", "photometric"] },
+    "redshift_type": { "enum": ["emission", "absorption", "host"] }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Reporter.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Reporter.schema.json
new file mode 100644
index 0000000..08fcd02
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Reporter.schema.json
@@ -0,0 +1,42 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/Reporter.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "Reporter",
+  "description": "Alert Reporter instrument",
+  "type": "object",
+  "properties": {
+    "mission": {
+      "type": "string",
+      "description": "Name of Mission or Telescope reporting the event"
+    },
+    "instrument": {
+      "type": "string",
+      "description": "Name of the Instrument reporting the event"
+    },
+    "record_number": {
+      "type": "number",
+      "description": "Incremental number for messages from the instrument during a given trigger (ex: 1, 2, 3)"
+    },
+    "messenger": {
+      "enum": ["EM", "GW", "Neutrino"],
+      "description": "Messenger of report; EM, GW or Neutrino"
+    },
+    "spectrum": {
+      "enum": ["energy", "wavelength", "frequency"],
+      "description": "high-energy or optical or radio observations, if not parsed, then default band is energy",
+      "type": "string",
+      "default": "energy"
+    },
+    "units": {
+      "enum": ["keV", "nm", "Hz"],
+      "description": "Units of band range, if not parsed, then default energy is keV",
+      "type": "string",
+      "default": "keV"
+    },
+    "filter": {
+      "type": "array",
+      "items": { "type": "string" },
+      "description": "Optional filter name, as used in optical observations"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/Statistics.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Statistics.schema.json
new file mode 100644
index 0000000..aaa2d82
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/Statistics.schema.json
@@ -0,0 +1,69 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/Statistics.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "Statistics",
+  "description": "statistical measures of source significance or classification",
+  "properties": {
+    "far": {
+      "type": "number",
+      "description": "False alarm rate: the rate of occurrence of non-astrophysical events that are of the same intensity or significance as the current event [Hz]"
+    },
+    "trigger_type": {
+      "enum": ["rate", "image"],
+      "description": "Type of trigger algorithm used to identify the transient event."
+    },
+    "net_count_rate": {
+      "type": "number",
+      "description": "Net count rate of the transient above the background [counts/s] over rate_duration and rate_energy_range. Do specify rate_duration and rate_energy_range with net_count_rate property."
+    },
+    "backgound_count_rate": {
+      "type": "number",
+      "description": "Count rate of the background during the transient [counts/s] over same rate_duration and rate_energy_range used for net_count_rate."
+    },
+    "rate_snr": {
+      "type": "number",
+      "description": "Rate signal to noise ratio [dimensionless]"
+    },
+    "rate_duration": {
+      "type": "number",
+      "description": "Interval over rate signal to noise ratio calculation [s]"
+    },
+    "rate_energy_range": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 2,
+      "maxItems": 2,
+      "description": "Low and High energy bounds used in rate signal to noise ratio calculation, if not parsed in Reporter.schema.json, default unit is keV"
+    },
+    "image_snr": {
+      "type": "number",
+      "description": "Image signal to noise ratio [dimensionless]"
+    },
+    "image_duration": {
+      "type": "number",
+      "description": "Interval over image signal to noise ratio calculation [s]"
+    },
+    "image_energy_range": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 2,
+      "maxItems": 2,
+      "description": "Low and High energy bounds used in image signal to noise ratio calculation, if not parsed in Reporter.schema.json, default unit is keV"
+    },
+    "p_astro": {
+      "type": "number",
+      "description": "Probability [dimensionless, 0-1] that source is of astrophysical origin"
+    },
+    "classification": {
+      "type": "object",
+      "additionalProperties": { "type": "number" },
+      "description": "Dictionary mapping mutually exclusive source classes to probabilities between 0 and 1, the sum of all values must be 1. e.g. ({'BNS', 0.9}, {'NSBH', 0.05}, {'BBH', 0.05})"
+    },
+    "properties": {
+      "type": "object",
+      "additionalProperties": { "type": "number" },
+      "description": "Dictionary of binary classifiers, each entry is between 0 and 1. e.g. ({'NS', 0.95}, {'REMNANT', 0.3})"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/GammaRay.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/GammaRay.schema.json
new file mode 100644
index 0000000..9c1df42
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/GammaRay.schema.json
@@ -0,0 +1,92 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/spectral/GammaRay.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "spectral.GammaRay",
+  "description": "Spectral properties from gamma-ray data",
+  "properties": {
+    "best_fit_model": {
+      "enum": ["POWERLAW", "CUTOFFPOWERLAW", "BAND"],
+      "description": "Name of model corresponding to best statistical fit of spectrum"
+    },
+    "power_law": {
+      "$ref": "./models/PowerLaw.schema.json",
+      "description": "Fit parameters for PowerLaw model"
+    },
+    "cutoff_power_law": {
+      "$ref": "./models/CutOffPowerLaw.schema.json",
+      "description": "Fit parameters for Cutoff PowerLaw model"
+    },
+    "band": {
+      "$ref": "./models/Band.schema.json",
+      "description": "Fit parameters for Band model"
+    },
+    "spectral_energy_range": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 2,
+      "maxItems": 2,
+      "description": "Low and High energy bounds used in spectral fit, if not parsed in Reporter.schema.json, default unit is keV"
+    },
+    "hardness_ratio": {
+      "type": "number",
+      "description": "ratio of flux between high and low energy bands"
+    },
+    "hardness_ratio_energy_range": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 2,
+      "maxItems": 2,
+      "description": "Low and High energy bounds used for hardness ratio, if not parsed in Reporter.schema.json, default unit is keV"
+    },
+    "photon_flux": {
+      "type": "number",
+      "description": "Photon Flux [ph/cm2/s]"
+    },
+    "photon_flux_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty in Photon Flux [ph/cm2/s]"
+    },
+    "energy_flux": {
+      "type": "number",
+      "description": "Energy Flux [erg/cm2/s]"
+    },
+    "energy_flux_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty in Energy Flux [erg/cm2/s]"
+    },
+    "flux_energy_range": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 2,
+      "maxItems": 2,
+      "description": "Low and High energy bounds used in flux calculation, if not parsed in Reporter.schema.json, default unit is keV"
+    },
+    "flux_time_range": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 2,
+      "maxItems": 2,
+      "description": "Start and stop time stamps in array as used in flux calculation, measured since trigger [s]"
+    },
+    "fluence": { "type": "number", "description": "Fluence [erg/cm2]" },
+    "fluence_error": {
+      "type": "number",
+      "description": "Fluence Error [erg/cm2]"
+    },
+    "fluence_energy_range": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 2,
+      "maxItems": 2,
+      "description": "Low and High energy bounds used in fluence calculation, if not parsed in Reporter.schema.json, default unit is keV"
+    },
+    "fluence_time_range": {
+      "type": "array",
+      "items": { "type": "number" },
+      "minItems": 2,
+      "maxItems": 2,
+      "description": "Start and stop time stamps in array as used in fluence calculation, measured since trigger [s]"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/models/Band.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/models/Band.schema.json
new file mode 100644
index 0000000..a0c48f9
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/models/Band.schema.json
@@ -0,0 +1,42 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/spectral/models/Band.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "Band",
+  "description": "Spectral model Band smoothly broken powerlaw (Band et al. 1993)",
+  "properties": {
+    "amplitude": {
+      "type": "number",
+      "description": "amplitude of spectral model fit at pivot_energy [ph/cm2/s/keV]"
+    },
+    "amplitude_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty of amplitude [ph/cm2/s/keV]"
+    },
+    "pivot_energy": { "type": "number", "description": "pivot energy [keV]" },
+    "alpha": {
+      "type": "number",
+      "description": "power-law index of spectral model"
+    },
+    "alpha_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty of alpha"
+    },
+    "epeak": {
+      "type": "number",
+      "description": "e-folding energy of exponential rolloff [keV]"
+    },
+    "epeak_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty of Epeak [keV]"
+    },
+    "beta": {
+      "type": "number",
+      "description": "high-energy power-law index of Band parameterization"
+    },
+    "beta_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty of beta"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json
new file mode 100644
index 0000000..9d143a7
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json
@@ -0,0 +1,34 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/spectral/models/CutOffPowerLaw.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "CutOffPowerLaw",
+  "description": "Spectral model known as comptonized or powerlaw with exponential cutoff amplitude*energy^{-alpha}*exp(-energy/beta)",
+  "properties": {
+    "amplitude": {
+      "type": "number",
+      "description": "amplitude of spectral model fit at pivot_energy [ph/cm2/s/keV]"
+    },
+    "amplitude_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty of amplitude [ph/cm2/s/keV]"
+    },
+    "pivot_energy": { "type": "number", "description": "pivot energy [keV]" },
+    "alpha": {
+      "type": "number",
+      "description": "power-law index of spectral model"
+    },
+    "alpha_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty of alpha"
+    },
+    "epeak": {
+      "type": "number",
+      "description": "e-folding energy of exponential rolloff [keV]"
+    },
+    "epeak_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty of Epeak [keV]"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/models/PowerLaw.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/models/PowerLaw.schema.json
new file mode 100644
index 0000000..7f51fdc
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/core/spectral/models/PowerLaw.schema.json
@@ -0,0 +1,26 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/core/spectral/models/PowerLaw.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "PowerLaw",
+  "description": "Spectral model powerlaw with N(E)=amplitude*energy^{-alpha}",
+  "properties": {
+    "amplitude": {
+      "type": "number",
+      "description": "amplitude of spectral model fit at pivot_energy [ph/cm2/s/keV]"
+    },
+    "amplitude_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty of amplitude [ph/cm2/s/keV]"
+    },
+    "pivot_energy": { "type": "number", "description": "pivot energy [keV]" },
+    "alpha": {
+      "type": "number",
+      "description": "power-law index of spectral model"
+    },
+    "alpha_error": {
+      "type": "number",
+      "description": "1-sigma uncertainty of alpha"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/einstein_probe/wxt/alert.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/einstein_probe/wxt/alert.schema.json
new file mode 100644
index 0000000..ec3831c
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/einstein_probe/wxt/alert.schema.json
@@ -0,0 +1,14 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/einstein_probe/wxt/alert.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "EP/WXT Alert",
+  "description": "Candidate X-ray transient reported from the EP/WXT on board trigger",
+  "type": "object",
+  "allOf": [
+    { "$ref": "../../core/DateTime.schema.json" },
+    { "$ref": "../../core/Localization.schema.json" },
+    { "$ref": "../../core/Reporter.schema.json" },
+    { "$ref": "../../core/Statistics.schema.json" },
+    { "$ref": "../../core/AdditionalInfo.schema.json" }
+  ]
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/glowbug/Alert.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/glowbug/Alert.schema.json
new file mode 100644
index 0000000..65ea4f2
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/glowbug/Alert.schema.json
@@ -0,0 +1,52 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/glowbug/alert.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "Glowbug Alert Notice",
+  "description": "Information about a Glowbug trigger.  All fields optional; omitted if not available or not applicable.",
+  "type": "object",
+  "allOf": [
+    {
+      "$ref": "../core/Reporter.schema.json",
+      "description": "mission=GLOWBUG"
+    },
+    {
+      "$ref": "../core/AdditionalInfo.schema.json",
+      "description": "Complementary info in text form."
+    },
+    { "$ref": "../core/Alert.schema.json" },
+    {
+      "$ref": "../core/Event.schema.json",
+      "description": "event_id=[ 'BUGyymmdd.fff', seqnum ], where fff is in millidays with trailing zeros. id_source=GLOWBUG for both."
+    },
+    {
+      "$ref": "../core/DateTime.schema.json",
+      "description": "Trigger_time with seconds fraction."
+    },
+    {
+      "$ref": "../core/Statistics.schema.json",
+      "description": "rate_duration is the integration time (a.k.a. trigger time scale), over which the rate_snr was measured."
+    }
+  ],
+  "properties": {
+    "detector_status": {
+      "type": "object",
+      "properties": {
+        "CsI0": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI1": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI2": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI3": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI4": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI5": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI6": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI7": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI8": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI9": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI10": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CsI11": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CLLB0": { "$ref": "../core/DetectorStatus.schema.json" },
+        "CLLB1": { "$ref": "../core/DetectorStatus.schema.json" },
+        "SSA": { "$ref": "../core/DetectorStatus.schema.json" }
+      }
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/icecube/lvk_nu_track_search.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/icecube/lvk_nu_track_search.schema.json
new file mode 100644
index 0000000..8ac7451
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/icecube/lvk_nu_track_search.schema.json
@@ -0,0 +1,85 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/icecube/lvk_nu_track_search.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "IceCube LVK Alert Nu Track Search",
+  "description": "IceCube LVK Coincident Neutrino Track Search",
+  "allOf": [
+    {
+      "$ref": "../core/Alert.schema.json",
+      "description": "Alert information (alert_datetime and alert_type) from LVK alert notices"
+    },
+    {
+      "$ref": "../core/FollowUp.schema.json",
+      "description": "ID (ref_ID) of LVK alert notice"
+    },
+    { "$ref": "../core/AdditionalInfo.schema.json" },
+    {
+      "$ref": "../core/Reporter.schema.json",
+      "description": "Record/Sequence number of LVK alerts"
+    },
+    { "$ref": "../core/DateTime.schema.json" }
+  ],
+  "properties": {
+    "pval_generic": {
+      "description": "P-value from generic transient search; consistency with background expectations [0-1]",
+      "type": ["number", "null"]
+    },
+    "pval_bayesian": {
+      "description": "P-value from LLAMA Bayesian search; consistency with background expectations [0-1]",
+      "type": ["number", "null"]
+    },
+    "n_events_coincident": {
+      "description": "Number of IceCube events in spatial and temporal coincidence with the GW map",
+      "type": "number"
+    },
+    "coincident_events": {
+      "type": "array",
+      "description": "An array of summary of information for each coincident neutrino track event",
+      "items": { "$ref": "#/$defs/coincevent" }
+    },
+    "most_probable_direction": {
+      "description": "Most likely source direction based on all coincident events and GW localizations",
+      "$ref": "../core/Localization.schema.json"
+    },
+    "neutrino_flux_sensitivity_range": {
+      "description": "Time integrated flux sensitivity ranges assuming an E^-2 spectrum (E^2 dN/dE) within the GW map localization",
+      "$ref": "#/$defs/fluxlimits"
+    }
+  },
+  "$defs": {
+    "fluxlimits": {
+      "type": "object",
+      "properties": {
+        "flux_sensitivity": {
+          "description": "Time integrated flux sensitivity range (min, max) [GeV cm^-2] assuming an E^-2 spectrum (E^2 dN/dE) found within the 90% region of GW map localization",
+          "type": "array",
+          "items": { "type": "number" }
+        },
+        "sensitive_energy_range": {
+          "description": "Energy sensitivity range (lower, upper) [GeV] assuming an E^-2 spectrum (E^2 dN/dE)",
+          "type": "array",
+          "items": { "type": "number" }
+        }
+      }
+    },
+    "coincevent": {
+      "type": "object",
+      "allOf": [{ "$ref": "../core/Localization.schema.json" }],
+      "properties": {
+        "event_dt": {
+          "description": "Time difference between LVK alert time and neutrino candidate [sec]",
+          "type": "number"
+        },
+        "event_pval_generic": {
+          "description": "Per-event P-value from generic transient search; consistency with background expectations [0-1]",
+          "type": ["number", "null"]
+        },
+        "event_pval_bayesian": {
+          "description": "Per-event P-value from LLAMA Bayesian search; consistency with background expectations [0-1]",
+          "type": ["number", "null"]
+        }
+      }
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json
new file mode 100644
index 0000000..5acba2e
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json
@@ -0,0 +1,25 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/icecube/test/gold_bronze_track_alerts.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "title": "IceCubeGoldAndBronzeTracks",
+  "description": "IceCube Astrotrack Gold And Bronze track alert events",
+  "allOf": [
+    { "$ref": "../../core/AdditionalInfo.schema.json" },
+    { "$ref": "../../core/Event.schema.json" },
+    { "$ref": "../../core/Alert.schema.json" },
+    { "$ref": "../../core/Localization.schema.json" },
+    { "$ref": "../../core/DateTime.schema.json" },
+    { "$ref": "../../core/Statistics.schema.json" }
+  ],
+  "properties": {
+    "nu_energy": {
+      "description": "Most probable neutrino energy [TeV] that would have produced an event",
+      "type": "number"
+    },
+    "signalness": {
+      "description": "Probability [dn] that this is an astrophysical signal relative to backgrounds",
+      "type": "number"
+    }
+  }
+}
diff --git a/vendor/nasa-gcn-4-0-0/gcn/notices/swift/bat/Guano.schema.json b/vendor/nasa-gcn-4-0-0/gcn/notices/swift/bat/Guano.schema.json
new file mode 100644
index 0000000..d18625f
--- /dev/null
+++ b/vendor/nasa-gcn-4-0-0/gcn/notices/swift/bat/Guano.schema.json
@@ -0,0 +1,28 @@
+{
+  "$id": "https://gcn.nasa.gov/schema/v4.0.0/gcn/notices/swift/bat/guano.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "title": "Swift/BAT-GUANO Alert",
+  "description": "Candidate gamma-ray transient reported from the BAT-GUANO targeted search",
+  "type": "object",
+  "allOf": [
+    { "$ref": "../../core/Alert.schema.json" },
+    { "$ref": "../../core/Event.schema.json" },
+    { "$ref": "../../core/DateTime.schema.json" },
+    { "$ref": "../../core/Localization.schema.json" },
+    { "$ref": "../../core/Statistics.schema.json" },
+    { "$ref": "../../core/Reporter.schema.json" },
+    { "$ref": "../../core/AdditionalInfo.schema.json" }
+  ],
+  "properties": {
+    "$schema": true,
+    "follow_up_event": {
+      "type": "string",
+      "description": "Name or trigger time of the external trigger that launched the search."
+    },
+    "follow_up_type": {
+      "type": "string",
+      "description": "Type of external trigger that launched the search, eg GW, neutrino, etc."
+    }
+  },
+  "unevaluatedProperties": false
+}