GRB210511B

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Status

Step	Status	Comment
DL2 Production	Done
Low Level Check	Done
DL3 Production	Done
High Level Analysis	To do	For spectral results, waiting full sky IRF

Green color code : 00BA00 Red Color code : FF0000

Multi-wavelength Observations

Timeline

T0+	Instrument	Outcome	Outcome specific value (flux/UL/...)	Comment	Link
-		Initial detection
		UL
		Detection

Alert

• Triggered by: Fermi GBM

• Alert coordinates: 21h 04m 43s, +61d 41' 24" (J2000), 316.18, 61.69 (deg)

• Alert arrival time: 2021-05-11 11:36:02 UTC

• Additional info: alert didn't pass the TH filtering criteria, because start of observation was more than 4h from the trigger time

LST Observations

• Delay: 970min

• Overall observation time:

• Observation mode: std wobbles

• Observed source position: 316.18 deg, 61.69 deg

• Observation condition: dark

• Zenith range: 38 - 46 deg

• ELOG link: elog 1684

• Important comments: several spikes in the rates during all runs

• Run list :

RunNumber	Start date	Stop date	Drive target name	RA	Dec	Observation condition
4718	2021-05-12 05:37:59	2021-05-12 05:55:00	GRB210511B	316.179	62.09	dark
4719	2021-05-12 05:57:00	2021-05-12 06:16:59	GRB210511B	316.179	61.29	dark
4720	2021-05-12 06:19:12	2021-05-12 06:35:13	GRB210511B	317.023	61.6874	dark
4721	2021-05-12 06:38:14	2021-05-12 06:58:14	GRB210511B	315.336	61.6874	dark

Low level check

Run xxxxxx : pdf file low level check

Run xxxxxx : pdf file low level check

Run xxxxxx : pdf file low level check

Run xxxxxx : pdf file low level check

Upload low level check plots and comment possible issue and action taken

High Level Analysis

Analysis configuration

• Name and contact info of the analyzer: Mathieu de Bony

• Software versions:

• Cuts and parameters used:

• DL2 MC data used:

• Overall selected observation time:

• Position analyzed: e.g., RA, DEC

• Analysis/data problems: