Difference between revisions of "GRB210731A"

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(High Level Analysis)
(Theta2 plot)
 
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''If the alert was observed for several nights please add plots for each night separately and all data together.''
 
''If the alert was observed for several nights please add plots for each night separately and all data together.''
 
{| align='center'
 
{| align='center'
| [[Image: GRB210731A_std_theta2.png|thumb|400px|center|alt=Theta2 plot for GRB210731A.|Theta2 plot for GRB210704A.]]
+
| [[Image: GRB210731A_std_theta2.png|thumb|400px|center|alt=Theta2 plot for GRB210731A.|Theta2 plot for GRB210731A.]]
| [[Image: GRB210731A_std_theta2_excess.png|thumb|400px|center|alt=Excess plot for GRB210731A.| Theta2 Excess plot for GRB210704A.]]
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| [[Image: GRB210731A_std_theta2_excess.png|thumb|400px|center|alt=Excess plot for GRB210731A.| Theta2 Excess plot for GRB210731A.]]
 
|}
 
|}
  

Latest revision as of 11:08, 6 April 2022

Go back to Transient observation logbook.

Status[edit]

Step Status Comment
DL2 Production Done
Low Level Check To do
DL3 Production Done
High Level Analysis Done

Green color code : 00BA00 Red Color code : FF0000

Multi-wavelength Observations[edit]

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

Alert[edit]

  • Triggered by: Swift-BAT
  • Alert coordinates: 300.30500 -28.06105
  • Alert arrival time: 22:21:08 UT
  • Additional info:

LST Observations[edit]

  • Delay: 41 min
  • Overall observation time: 1.7 h
  • Observation mode: std wobbles (0.4°)
  • Observed source position: 300.305 -28.061
  • Observation condition:
  • Zenith range: 60°-56°
  • Important comments: moderate high dust values, camera problems
  • Run list :
Run number Start date Stop date Drive target name RA Dec Observation condition
5421 2021-07-31 23:02 2021-07-31 23:22 None 300.79 -28.11 zen = 60° rate = 4906 Hz nsb = 1.6
5422 2021-07-31 23:27 2021-07-31 23:47 None 300.78 -28.11 zen = 58° rate = 4117 Hz nsb = 1.6
5423 2021-07-31 23:57 2021-08-01 0:17 None 299.87 -28.10 zen = 56.5° rate = 5465 Hz nsb = 1.6
5425 2021-08-01 0:31 2021-08-01 0:51 None 300.31 -27.70 zen = 56° rate = 5650 Hz nsb = 1.6
5426 2021-08-01 0:58 2021-08-01 0:59 None 300.30 -28.49 zen = 57° rate = 7417 Hz nsb = 2.0
5427 2021-08-01 1:01 2021-08-01 1:21 None 300.30 -28.49 zen = 57.5° rate = 4126 Hz nsb = 2.1
5432 2021-08-01 1:45 2021-08-01 1:52 None 299.84 -28.08 zen = 59° rate = 797 Hz nsb = 4.6

Low level check[edit]

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[edit]

Analysis configuration[edit]

  • Name and contact info of the analyzer: Sami Caroff
  • Software versions:
    • lstchain v0.9.3
    • gammapy v0.19


  • Cuts and parameters used: std
  • DL2 MC data used:
    • dl2_electron_40deg_180deg_off0.4deg_20220304_v0.9.3_prod5_trans_80_zen40az180_local_tailcut_8_4_testing.h5
    • dl2_proton_40deg_180deg_off0.4deg_20220304_v0.9.3_prod5_trans_80_zen40az180_local_tailcut_8_4_testing.h5
    • dl2_gamma_40deg_180deg_off0.4deg_20220304_v0.9.3_prod5_trans_80_zen40az180_local_tailcut_8_4_testing.h5
  • Overall selected observation time: ~1.7h
  • Position analyzed: e.g., RA, DEC
    • RA 300.305
    • DEC -28.061
  • Analysis/data problems:

Theta2 plot[edit]

If the alert was observed for several nights please add plots for each night separately and all data together.

Theta2 plot for GRB210731A.
Theta2 plot for GRB210731A.
Excess plot for GRB210731A.
Theta2 Excess plot for GRB210731A.

Significance map[edit]

If the alert was observed for several nights please add plots for each night separately and all data together.

Excess map[edit]

If the alert was observed for several nights please add plots for each night separately and all data together.

Spectral results[edit]