Labels in GraceDB

Labels are applied to events and superevents in GraceDB to indicate the state of that object. Some labels signify that an action is requested, while others signify that a follow-up process has completed and/or what the result of a follow-up process was. Here is a table showing the currently available labels and their meanings.

Label name	Label description
2022_LENSING_MDC	Event is part of the O4 Lensing MDC.
ADVNO	EM advocate says event is not okay.
ADVOK	EM advocate says event is okay.
ADVREQ	EM advocate signoff requested.
COMBINEDSKYMAP_READY	Combined skymap is available.
cWB_r	cWB-AllSky search performed by the cWB-XP
cWB_s	cWB-AllSky search performed by the cWB-2G.subthr
DQOK	Data quality information is available and does not veto the event.
DQR_REQUEST	Superevent ready for DQR check.
DQV	Data quality veto.
EARLY_WARNING	Event uploaded with early warning pipeline
EMBRIGHT_READY	EM Bright information is available.
EM_COINC	Signifies that a coincidence was found between gravitational-wave candidates and External triggers.
EM_READY	Indicates data products associated with a Superevent’s preferred event are complete
EM_SENT	Has been sent to MOU partners.
EM_Selected	GraceID automatically chosen as the most promising candidate out of a set of entries thought to correspond to the same physical event.
EM_SelectedConfident	The event has all annotations necessary for an alert and passes the significant alert threshold.
EM_Superseded	GraceID automatically passed over because another entry was thought to be more promising and to correspond to the same physical event.
EM_Throttled	GraceID is ignored by automatic processing because the corresponding pipeline submitted too many events too quickly.
EXT_SKYMAP_READY	External skymap is available
GCN_PRELIM_SENT	A preliminary GCN has been sent.
GRB_OFFLINE	Indicates that offline triggered GRB searches found something coincident with this event.
GRB_ONLINE	Indicates that online triggered GRB searches found something coincident with this event.
H1NO	H1 operator says event is not okay.
H1OK	H1 operator says event is okay.
H1OPS	H1 operator signoff requested.
HIGH_PROFILE	Superevent satisfies the condition to convene the full Level 2 RRT ASAP.
HWINJNO	There were problems with the hardware injection.
HWINJOK	A hardware injection was successfully performed.
HWINJREQ	A hardware injection is scheduled.
INJ	Injection occured near this time.
L1NO	L1 operator says event is not okay.
L1OPS	L1 operator signoff requested.
LENSED_CANDIDATE	Candidate event was uploaded as part of a lensed search.
LLAMA_COMPLETE	LLAMA has completed annotating the superevent.
LOW_SIGNIF_LOCKED	The GraceID associated with this event has all annotations required for an alert, passes the low-significance public alert threshold, and will only be automatically updated when preliminary alerts are sent.
LOW_SIGNIF_PRELIM_SENT	A low-significance preliminary GCN has been sent.
LUMIN_GO	Trigger satisfies basic automated checks and should be vetted by humans. Replaced by ADVREQ
LUMIN_NO	LUMIN No
NOT_GRB	Event is likely not an astrophysical gamma ray burst
PASTRO_READY	p_astro is available.
PE_READY	Parameter estimation results are available
RAVEN_ALERT	A RAVEN coincidence event is publishable
SIGNIF_LOCKED	The GraceID associated with this event has all annotations required for an alert, passes the significant public alert threshold, and will only be automatically updated when preliminary alerts are sent.
SKYMAP_READY	Skymap is available.
SOG_READY	A coincidence should trigger a speed of gravity measurement.
SNR_OPTIMIZED	Indicates that the event was SNR-optimized as followup to another uploaded event.
SWIFT_GO	Send notification to SWIFT telescope.
SWIFT_NO	Do not send notification to SWIFT telescope.
V1NO	V1 operator says event is not okay.
V1OK	V1 operator says event is okay.
V1OPS	V1 operator signoff requested.

Protected labels

A few labels are “protected”; i.e., they are only applied by GraceDB itself as part of another process. These labels cannot be applied manually by users and any requests to do so will be rejected by the server.

At present, the following labels are protected as a part of the signoff infrastructure and are only applied by GraceDB after an operator or advocate signoff:

• H1OK, L1OK, V1OK, ADVOK

• H1NO, L1NO, V1NO, ADVNO