gwcelery.tasks.raven module¶
Search for GRB-GW coincidences with ligo-raven.
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(task)
gwcelery.tasks.raven.
calculate_coincidence_far
(superevent_id, exttrig_id, preferred_id, group)[source]¶ Compute temporal coincidence FAR for external trigger and superevent coincidence by calling ligo.raven.search.calc_signif_gracedb.
Parameters:
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(task)
gwcelery.tasks.raven.
calc_signif
(search, se_id, exttrig_id, tl, th, incl_sky=False, se_fitsfile=None)[source]¶ Calculate FAR of GRB exttrig-GW coincidence
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(task)
gwcelery.tasks.raven.
coincidence_search
(gracedb_id, alert_object, group=None, pipelines=[])[source]¶ Perform ligo-raven search for coincidences. The ligo.raven.search.search method applies EM_COINC label on its own.
Parameters:
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(task)
gwcelery.tasks.raven.
search
(gracedb_id, alert_object, tl=-5, th=5, group=None, pipelines=[])[source]¶ Perform ligo-raven search for coincidences. The ligo.raven.search.search method applies EM_COINC label on its own.
Parameters: - gracedb_id (str) – ID of the trigger used by GraceDB
- alert_object (dict) – lvalert[‘object’]
- tl (int) – number of seconds to search before
- th (int) – number of seconds to search after
- group (str) – Burst or CBC
- pipelines (list) – list of external trigger pipelines for performing coincidence search against
Returns: Return type: list with the dictionaries of related gracedb events
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(task)
gwcelery.tasks.raven.
raven_pipeline
(raven_search_results, gracedb_id, alert_object, group)[source]¶ Executes much of the full raven pipeline, including adding the external trigger to the superevent, calculating the coincidence false alarm rate, and applying ‘EM_COINC’ to the appropriate events.
Parameters:
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(task)
gwcelery.tasks.raven.
preferred_superevent
(raven_search_results)[source]¶ Chooses the superevent with the lowest far for an external event to be added to. This is to prevent errors from trying to add one external event to multiple superevents.
Parameters: raven_search_results (list) – list of dictionaries of each related gracedb trigger