IceCube LVK Alert Nu Followup

IceCube LVK Coincident Neutrino Followup Search

View the source on GitHub

Properties

* = required

Name	Type	Description
datasample	string	Type of neutrino event datasample used in the followup analysis Options: HE Tracks, HE Cascades
pval_generic	number \| null	P-value from generic transient search; consistency with background expectations [0-1]
pval_bayesian	number \| null	P-value from LLAMA Bayesian search; consistency with background expectations [0-1]
n_events_coincident	number	Number of IceCube events in spatial and temporal coincidence with the GW map
coincident_events	array	An array of summary of information for each coincident neutrino event
most_probable_direction	Localization.schema.json	Most likely source direction based on all coincident events and GW localizations
neutrino_flux_sensitivity_range	fluxlimits	Time integrated flux sensitivity ranges assuming an E^-2 spectrum (E^2 dN/dE) within the GW map localization

Properties from all of the following:

These properties are inherited using the allOf syntax. In order to validate, all of the following schemas must be individually valid, based on their respective properties. See allOf for more information.

Name		Description
Alert.schema.json		core schema object (click to expand)
FollowUp.schema.json		core schema object (click to expand)
AdditionalInfo.schema.json		core schema object (click to expand)
Reporter.schema.json		core schema object (click to expand)
DateTime.schema.json		core schema object (click to expand)

Locally defined sub-schemas

These sub-schemas are defined locally within the same .schema.json file as the current schema definition.

Name	Type	Description
fluxlimits	object
coincevent	object

Example

{
  "$schema": "https://gcn.nasa.gov/schema/v7.3.0/gcn/notices/icecube/lvk_nu_search.schema.json",
  "type": "IceCube LVK Alert Nu Followup",
  "reference": {
    "gcn.notices.LVK.alert": "S230914ak-preliminary-20230914T111906Z",
    "skymap_filename": "bayestar.multiorder.fits,1"
  },
  "ref_ID": "S230914ak",
  "datasample": "HE Cascades",
  "alert_datetime": "2023-09-14T11:49:16.526Z",
  "trigger_time": "2023-09-14T11:14:01Z",
  "observation_start": "2023-09-14T11:05:41.000Z",
  "observation_stop": "2023-09-14T11:22:21.000Z",
  "observation_livetime": 1000,
  "pval_generic": 0.0987,
  "pval_bayesian": null,
  "n_events_coincident": 1,
  "coincident_events": [
    {
      "event_dt": -47.37,
      "localization": {
        "ra": 281.59,
        "dec": 20.89,
        "ra_dec_error": 58.5,
        "containment_probability": 0.9,
        "systematic_included": false
      },
      "id": [
        "138590_39138552"
      ],
      "event_pval_generic": 0.0987,
      "event_pval_bayesian": null
    }
  ],
  "most_probable_direction": {
    "ra": 245.74,
    "dec": -5.98
  },
  "neutrino_flux_sensitivity_range": {
    "flux_sensitivity": [
      0.0983,
      0.1424
    ],
    "sensitive_energy_range": [
      720,
      4800000
    ]
  }
}