Difference between revisions of "GRB220603A"

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(Created page with "Go back to Transient Working Group. == Alert Information == * '''Name/type of the alert''': * '''GCN notice''': [https://gcn.gsfc.nasa.gov/other/675992935.fermi] * '''T...")
 
(→‎DL2 data)
 
(4 intermediate revisions by the same user not shown)
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Go back to [[Transient Working Group]].
 
Go back to [[Transient Working Group]].
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Go Back to [https://www.lst1.iac.es/wiki/index.php/Transient_observation_logbook Gamma-Ray Bursts (GRBs)].
  
  
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*** ELOG link: [https://www.lst1.iac.es/elog/LST+commissioning/2297]
 
*** ELOG link: [https://www.lst1.iac.es/elog/LST+commissioning/2297]
 
*** Important comments: run 8623 and 8624 can be skipped due to software problems, run 8632 reset the DTs, run 8633 can be skipped due to software problem
 
*** Important comments: run 8623 and 8624 can be skipped due to software problems, run 8632 reset the DTs, run 8633 can be skipped due to software problem
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== Analysis by Alice (INAF) ==
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=== Data info ===
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* Overall selected observation time: 201.08 min (3.35 h)
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* Selected runs: '8625', '8626', '8627', '8628', '8629', '8630', '8631', '8632', '8633', '8634', '8635', '8636'
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* Position analyzed: RA 284.15 deg, Dec 18.84 deg
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=== DL1 data ===
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Used DL1b files produced by LSTOSA (lstchain v0.9.6)
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/fefs/aswg/data/real/DL1/20220603/v0.9/tailcut84/
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=== DL2 data ===
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* Random forest:
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/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_2276
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* lstchain v0.9.6 with config file taken from the All Sky model
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/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_2276/lstchain_84.json
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=== Theta2 plot from DL2===
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*Cuts and parameters used:
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**intensity > 50
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**gammaness > 0.7
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**leakage < 0.2
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{| align='center'
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| [[Image:GRB220603A_theta2.png|thumb|400px|center|alt=Theta2 plot for GRB220603A.|Theta2 plot for GRB220603A.]]
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| [[Image: GRB220603A_excess.png |thumb|400px|center|alt=Excess plot for GRB220603A.| Excess plot for GRB220603A.]]
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|}

Latest revision as of 09:40, 24 September 2022

Go back to Transient Working Group.

Go Back to Gamma-Ray Bursts (GRBs).


Alert Information[edit]

  • Name/type of the alert:
  • GCN notice: [1]
  • Triggered by: Fermi GBM
  • Alert coordinates:
    • RA: 18 h 56 m 36.000 s, Dec: +18 deg 50 m 24.000 s
    • RA, Dec in deg (ICRS): 284.15000 deg, 18.84000 deg
  • Alert arrival time: 23:49:39 UTC
  • Other relevant information:
    • Redshift (z):

Multi-wavelength Observations[edit]

LST Observations[edit]

  • Dates of data-taking: 2022-06-03
    • 2022-06-03
      • Zenith range (deg): 41.8 --> 10
      • Transmission9km: 0.8-0.9
      • Observation condition: dark
      • Observation mode: std wobble
      • Runs: 8623 - 8636
      • Joint observations with MAGIC? : No
      • ELOG link: [2]
      • Important comments: run 8623 and 8624 can be skipped due to software problems, run 8632 reset the DTs, run 8633 can be skipped due to software problem

Analysis by Alice (INAF)[edit]

Data info[edit]

  • Overall selected observation time: 201.08 min (3.35 h)
  • Selected runs: '8625', '8626', '8627', '8628', '8629', '8630', '8631', '8632', '8633', '8634', '8635', '8636'
  • Position analyzed: RA 284.15 deg, Dec 18.84 deg

DL1 data[edit]

Used DL1b files produced by LSTOSA (lstchain v0.9.6) 

/fefs/aswg/data/real/DL1/20220603/v0.9/tailcut84/

DL2 data[edit]

  • Random forest:
/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_2276
  • lstchain v0.9.6 with config file taken from the All Sky model
/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_2276/lstchain_84.json

Theta2 plot from DL2[edit]

  • Cuts and parameters used:
    • intensity > 50
    • gammaness > 0.7
    • leakage < 0.2
Theta2 plot for GRB220603A.
Theta2 plot for GRB220603A.
Excess plot for GRB220603A.
Excess plot for GRB220603A.
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