Difference between revisions of "GRB220527A"

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(Theta2 plot)
 
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=== Data info ===
 
=== Data info ===
  
* Overall selected observation time:
+
* Overall selected observation time: 18.91 min
 
* Selected runs: 8501
 
* Selected runs: 8501
 
* Position analyzed: RA 323.56990 deg, Dec -14.90000 deg
 
* Position analyzed: RA 323.56990 deg, Dec -14.90000 deg
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  /fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_931/lstchain_84.json
 
  /fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_931/lstchain_84.json
  
=== Theta2 plot ===
+
=== Theta2 plot from DL2===
 +
 
 +
*Cuts and parameters used:
 +
**intensity > 50
 +
**gammaness > 0.7
 +
**leakage < 0.2
 +
 
 +
{| align='center'
 +
| [[Image:GRB220527A_theta2.png|thumb|400px|center|alt=Theta2 plot for GRB220527A.|Theta2 plot for GRB220527A.]]
 +
| [[Image: GRB220527A_excess.png |thumb|400px|center|alt=Excess plot for GRB220527A.| Excess plot for GRB220527A.]]
 +
|}

Latest revision as of 10:50, 23 September 2022

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Alert Information[edit]

  • Name/type of the alert:
  • GCN notice: [1]
  • Triggered by: Fermi LAT
  • Alert coordinates:
    • RA: 21 h 34 m 16.776 s, Dec: -14 deg 54 m 0.000 s
    • RA, Dec in deg (ICRS): 323.56990 deg, -14.90000 deg
  • Alert arrival time: 14:49:16 UTC
  • Other relevant information:
    • Redshift (z):

Multi-wavelength Observations[edit]

LST Observations[edit]

  • Dates of data-taking: 2022-05-27
    • 2022-05-27
      • Zenith range (deg): 52
      • Transmission9km: 0.82
      • Observation condition: dark
      • Observation mode: std wobble
      • Runs: 8501
      • Joint observations with MAGIC? : No
      • ELOG link: [2]
      • Important comments: only one run taken due to issue in starting data taking

Analysis by Alice (INAF)[edit]

Data info[edit]

  • Overall selected observation time: 18.91 min
  • Selected runs: 8501
  • Position analyzed: RA 323.56990 deg, Dec -14.90000 deg

DL1 data[edit]

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

/fefs/aswg/data/real/DL1/20220527/v0.9/tailcut84/dl1_LST-1.Run08501.h5

DL2 data[edit]

  • Random forest:
/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_931/
  • lstchain v0.9.6 with config file taken from the All Sky model
/fefs/aswg/data/models/AllSky/20220511_allsky_std/dec_931/lstchain_84.json

Theta2 plot from DL2[edit]

  • Cuts and parameters used:
    • intensity > 50
    • gammaness > 0.7
    • leakage < 0.2
Theta2 plot for GRB220527A.
Theta2 plot for GRB220527A.
Excess plot for GRB220527A.
Excess plot for GRB220527A.