GCN Classic schema

gcn/notices/classic/agile/Ground_alert.example.json

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+{
+  "alert_datetime": "2008-8-25T21:08:50Z",
+  "id": [599],
+  "trigger_time": "2008-08-25T17:46:40.00Z",
+  "ra": 209.281,
+  "dec": -68.943,
+  "ra_dec_error": 3.0,
+  "n_events_x": 1071.739,
+  "snr_x": 17.51,
+  "additional_info": "SuperAGILE GRB Coordinates.  \nThis is a GRB.  \nSuperAGILE ground GRB coordinates",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/agile/alert.schema.json",
+  "mission": "AGILE",
+  "notice_type": "Ground",
+  "systematic_included": true,
+  "n_events_y": 919.802,
+  "snr_y": 16.3
+}

gcn/notices/classic/agile/MCAL_alert.example.json

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+{
+  "alert_datetime": "2022-9-16T14:36:53Z",
+  "id": [590418347],
+  "trigger_time": "2022-09-16T13:05:47.55Z",
+  "n_events": 234,
+  "events_snr": 16.6,
+  "peak_events": 30,
+  "peak_snr": 8.19,
+  "bkg_events": 7,
+  "triggering_interval": 0.032,
+  "duration": 0.349,
+  "lightcurve_url": "http://www.agilescienceapp.it/notices/080080_GRB_590418347.550575.png",
+  "additional_info": "AGILE MCAL TRIGGER.",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/agile/alert.schema.json",
+  "mission": "AGILE",
+  "notice_type": "MCAL",
+  "longitude": 175.6,
+  "latitude": 1.62,
+  "events_energy_range": [400, 100000],
+  "trigger_logic": {
+    "sub-ms": false,
+    "1ms": false,
+    "16ms": false,
+    "64ms": false,
+    "256ms": false,
+    "1024ms": false,
+    "8192ms": false
+  }
+}

gcn/notices/classic/agile/alert.schema.json

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+{
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/agile/alert.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "unevaluatedProperties": false,
+  "title": "Alert",
+  "description": "AGILE GRB Trigger Alert",
+  "allOf": [
+    { "$ref": "../../core/AdditionalInfo.schema.json" },
+    { "$ref": "../../core/Alert.schema.json" },
+    { "$ref": "../../core/DateTime.schema.json" },
+    { "$ref": "../../core/Event.schema.json" },
+    { "$ref": "../../core/GeoLocBase.schema.json" },
+    { "$ref": "../../core/Localization.schema.json" },
+    { "$ref": "../../core/Reporter.schema.json" }
+  ],
+  "properties": {
+    "$schema": true,
+    "notice_type": { "type": "string", "enum": ["Ground", "MCAL"] },
+    "duration": {
+      "type": "number",
+      "description": "The duration of the lightcurve. For MCAL notices only."
+    },
+    "triggering_interval": {
+      "type": "number",
+      "description": "The binning size of the the bins in the lightcurve. For MCAL notices only."
+    },
+    "n_events": {
+      "type": "number",
+      "description": "The total number of counts in the duration of the burst. For MCAL notices only."
+    },
+    "n_events_x": {
+      "type": "number",
+      "description": "The number of events in the X 1-D localization. For Ground notices only."
+    },
+    "n_events_y": {
+      "type": "number",
+      "description": "The number of events in the Y 1-D localization. For Ground notices only."
+    },
+    "events_snr": {
+      "type": "number",
+      "description": "The significance of peak countrate. For MCAL notices only."
+    },
+    "snr_x": {
+      "type": "number",
+      "description": "The X-drection significance. For Ground notices only."
+    },
+    "snr_y": {
+      "type": "number",
+      "description": "The Y-drection significance. For Ground notices only."
+    },
+    "lightcurve_url": {
+      "type": "string",
+      "description": "URL to the Lightcurve image. For MCAL notices only."
+    },
+    "peak_events": {
+      "type": "number",
+      "description": "The total number of counts at the peak of the burst. For MCAL notices only."
+    },
+    "peak_snr": {
+      "type": "number",
+      "description": "The significance of the peak countrate. For MCAL notices only."
+    },
+    "bkg_events": {
+      "type": "number",
+      "description": "The total number of background counts in the 32 msec window. For MCAL notices only."
+    },
+    "events_energy_range": {
+      "type": "array",
+      "minItems": 2,
+      "maxItems": 2,
+      "description": "The energy windown of the event [keV]. For MCAL notices only."
+    },
+    "trigger_logic": {
+      "type": "object",
+      "description": "If the trigger time interval participated in the trigger logic. For MCAL notices only.",
+      "properties": {
+        "sub-ms": { "type": "boolean" },
+        "1ms": { "type": "boolean" },
+        "16ms": { "type": "boolean" },
+        "64ms": { "type": "boolean" },
+        "256ms": { "type": "boolean" },
+        "1024ms": { "type": "boolean" },
+        "8192ms": { "type": "boolean" }
+      }
+    }
+  }
+}

gcn/notices/classic/alexis/alert.example.json

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+{
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/alexis/alert.schema.json",
+  "mission": "ALEXIS",
+  "end_datetime": "2099-12-30T11:40:11Z",
+  "map_duration": 48,
+  "notice_type": "Initial",
+  "ra": 193.62,
+  "dec": 23.41,
+  "ra_dec_error": 0.66,
+  "containment_probability": 0.9973002039367398,
+  "systematic_included": true,
+  "alpha": 10.8,
+  "telescope_id": "1B",
+  "energy_bandpass": 70
+}

gcn/notices/classic/alexis/alert.schema.json

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+{
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/alexis/alert.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "unevaluatedProperties": false,
+  "title": "Alert",
+  "description": "ALEXIS UV Transient Alert",
+  "allOf": [
+    { "$ref": "../../core/Reporter.schema.json" },
+    { "$ref": "../../core/Localization.schema.json" }
+  ],
+  "properties": {
+    "$schema": true,
+    "end_datetime": {
+      "type": "string",
+      "description": "The time at which the map integration ended [ISO 8601]"
+    },
+    "notice_type": {
+      "type": "string",
+      "description": "ALEXIS has two notice types: Initial and Final."
+    },
+    "map_duration": {
+      "type": "number",
+      "description": "The amount of time that went into accumalating the data where the transient was found [hrs]."
+    },
+    "alpha": {
+      "type": "number",
+      "description": "Parameterizes the statistical significance of the detection. alpha=-log10(probability_of_false_detection)."
+    },
+    "telescope_id": {
+      "type": "string",
+      "description": "The telescope in which the transient was identified."
+    },
+    "energy_bandpass": {
+      "type": "number",
+      "description": "The energy bandpass associated with the telescope [eV]"
+    }
+  }
+}

gcn/notices/classic/amon/alert.schema.json

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+{
+  "$id": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/amon/alert.schema.json",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "type": "object",
+  "unevaluatedProperties": false,
+  "title": "Alert",
+  "description": "AMON Neutrino Trigger Alert",
+  "allOf": [
+    { "$ref": "../../core/AdditionalInfo.schema.json" },
+    { "$ref": "../../core/Alert.schema.json" },
+    { "$ref": "../../core/DateTime.schema.json" },
+    { "$ref": "../../core/Event.schema.json" },
+    { "$ref": "../../core/Localization.schema.json" },
+    { "$ref": "../../core/Pointing.schema.json" },
+    { "$ref": "../../core/Reporter.schema.json" },
+    { "$ref": "../../core/Statistics.schema.json" }
+  ],
+  "properties": {
+    "$schema": true,
+    "notice_type": {
+      "type": "string",
+      "enum": [
+        "Astrotrack Bronze",
+        "Astrotrack Gold",
+        "Cascade",
+        "EHE",
+        "HESE",
+        "Neutrino-EM Coincidence",
+        "Burst"
+      ]
+    },
+    "ra_dec_error_50": {
+      "type": "number",
+      "description": "The radies of circle that contains on average 50\\% t of the sources"
+    },
+    "energy": {
+      "type": "number",
+      "description": "The lower bound estimate of the neutrino."
+    },
+    "signalness": {
+      "type": "number",
+      "description": "The probability that the neutrino event was signal and track-like."
+    },
+    "delta_time": {
+      "type": "number",
+      "description": "Time window of the burst"
+    },
+    "sigma_time": {
+      "type": "number",
+      "description": "The uncertainity of the time window"
+    },
+    "p_value": {
+      "type": "number",
+      "description": "The chance that the alert is an atmospheric neutrino."
+    },
+    "event_date": {
+      "type": "string",
+      "description": "The date-based name for the event."
+    },
+    "n_events": {
+      "type": "number",
+      "description": "The number of events that occured during the deltaT window."
+    },
+    "charge": {
+      "type": "number",
+      "description": "The total neutrino event charge in photo-electrons"
+    },
+    "false_positive": {
+      "type": "number",
+      "description": "Specifies how often a trigger of this intensity would happend from just noise fluctuation."
+    },
+    "coincidence_with": {
+      "type": "array",
+      "minItems": 1,
+      "maxItems": 9,
+      "description": "The instruments with a coincident trigger."
+    }
+  }
+}

gcn/notices/classic/amon/astrotrack_alert.example.json

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+{
+  "alert_datetime": "2024-2-04T09:10:06Z",
+  "trigger_time": "2024-02-04T09:09:00.44Z",
+  "ra": 348.6482,
+  "dec": 11.0595,
+  "ra_dec_error": 30.8,
+  "ra_dec_error_50": 12.0,
+  "record_number": 1,
+  "energy": 155920000000.0,
+  "signalness": 0.41419,
+  "far": 5.100202942668696e-8,
+  "additional_info": "IceCube Bronze event.  \nThe position error is statistical only, there is no systematic added.",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/amon/alert.schema.json",
+  "mission": "AMON",
+  "notice_type": "Astrotrack Bronze",
+  "id": ["138938_62272876"]
+}

gcn/notices/classic/amon/burst_alert.example.json

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+{
+  "alert_datetime": "2021-5-12T20:03:55Z",
+  "trigger_time": "2021-05-12T20:03:27.00Z",
+  "ra": 76.7242,
+  "dec": 28.143,
+  "ra_dec_error": 35.99,
+  "record_number": 1,
+  "far": 2.4865233384069e-7,
+  "delta_time": 1.0,
+  "p_value": 0.0109,
+  "additional_info": "HAWC burst monitor event.  \nThe position error is statistical only, there is no systematic added.",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/amon/alert.schema.json",
+  "mission": "AMON",
+  "notice_type": "Burst",
+  "id": ["110081_574"]
+}

gcn/notices/classic/amon/cascade_alert.example.json

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+{
+  "alert_datetime": "2021-4-16T02:03:57Z",
+  "trigger_time": "2021-04-16T01:58:00.70Z",
+  "ra": 194.1867,
+  "dec": -6.2888,
+  "ra_dec_error": 19.85,
+  "ra_dec_error_50": 10.89,
+  "record_number": 1,
+  "energy": 30.2,
+  "signalness": 0.80427,
+  "far": 2.973744292237443e-8,
+  "additional_info": "IceCube Cascade event.\nThe position error is the combined statistical and the systematic.",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/amon/alert.schema.json",
+  "mission": "AMON",
+  "notice_type": "Cascade",
+  "id": ["135196_31863828"],
+  "systematic_included": true,
+  "event_name": ["IceCubeCascade-210416a"]
+}

gcn/notices/classic/amon/coincidence_alert.example.json

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+{
+  "alert_datetime": "2023-1-25T13:25:38Z",
+  "trigger_time": "2023-01-25T13:13:35.00Z",
+  "ra": 198.2299,
+  "dec": 59.5099,
+  "ra_dec_error": 25.18,
+  "ra_dec_error_50": 13.8,
+  "record_number": 1,
+  "far": 1.1096841704718416e-7,
+  "event_date": "230125A",
+  "additional_info": "AMON NEUTRINO-EM Coincidence.",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/amon/alert.schema.json",
+  "mission": "AMON",
+  "notice_type": "Neutrino-EM Coincidence",
+  "id": ["0_127938"],
+  "coincidence_with": ["IC-HAWC"]
+}

gcn/notices/classic/amon/ehe_alert.example.json

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+{
+  "alert_datetime": "2016-12-10T20:07:16Z",
+  "trigger_time": "2016-12-10T20:06:40.31Z",
+  "ra": 45.8549,
+  "dec": 15.7851,
+  "ra_dec_error": 14.99,
+  "record_number": 1,
+  "signalness": 0.49023,
+  "n_events": 1,
+  "delta_time": 0.0,
+  "sigma_time": 0.0,
+  "charge": 0.4902,
+  "additional_info": "AMON_ICECUBE_EHE.",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/amon/alert.schema.json",
+  "mission": "AMON",
+  "notice_type": "EHE",
+  "id": ["128906_80127519"],
+  "systematic_included": true,
+  "containment_probability": 0.5
+}

gcn/notices/classic/amon/hese_alert.example.json

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+{
+  "alert_datetime": "2019-5-04T18:26:49Z",
+  "trigger_time": "2019-05-04T18:25:18.39Z",
+  "ra": 65.7866,
+  "dec": -37.4431,
+  "ra_dec_error": 73.79,
+  "ra_dec_error_50": 25.19,
+  "record_number": 1,
+  "signalness": 0.63,
+  "n_events": 1,
+  "delta_time": 0.0,
+  "sigma_time": 0.0,
+  "charge": 7328.35,
+  "p_value": 0.0,
+  "false_positive": 0.0,
+  "additional_info": "AMON_ICECUBE_HESE.",
+  "$schema": "https://gcn.nasa.gov/schema/main/gcn/notices/classic/amon/alert.schema.json",
+  "mission": "AMON",
+  "notice_type": "HESE",
+  "id": ["132518_766165"],
+  "systematic_included": true
+}