GRB210511B

Go back to Transient observation logbook.

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:

Sky map

File:GRB210511B significance map.jpg

alt text