Difference between revisions of "GRB220930A"

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(Created page with "Go back to Transient Working Group. Go Back to [https://www.lst1.iac.es/wiki/index.php/Transient_observation_logbook Gamma-Ray Bursts (GRBs)]. == Alert Information ==...")
 
(Analysis by Kenta (Kyoto))
 
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== Analysis by Kenta (Kyoto) ==
 
== Analysis by Kenta (Kyoto) ==
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* Email address of analyser: terauchi.kenta.74s@st.kyoto-u.ac.jp
  
 
=== Data info ===
 
=== Data info ===
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{| align='center'
 
{| align='center'
| [[Image: GRB220930A_theta2_kenta.png|thumb|400px|center|alt=Theta2 plot for GRB220930A.|Theta2 plot for GRB220930A.]]
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| [[Image: GRB220930A_theta2_kenta.png|thumb|600px|center|alt=Theta2 plot for GRB220930A.|Theta2 plot for GRB220930A.]]
 
| [[Image: GRB220930A_sig_evo_kenta.png |thumb|400px|center|alt=Significance evolution plot for GRB220930A.| Significance evolution plot for GRB220930A.]]
 
| [[Image: GRB220930A_sig_evo_kenta.png |thumb|400px|center|alt=Significance evolution plot for GRB220930A.| Significance evolution plot for GRB220930A.]]
 
|}
 
|}

Latest revision as of 17:14, 4 October 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: Swift BAT
  • Alert coordinates:
    • RA: 4 h 18 m 56.952 s, Dec: +13 deg 21 m 6.120 s
    • RA, Dec in deg (ICRS): 64.73730 deg, 13.35170 deg
  • Alert arrival time: 11:12:18 UTC
  • Other relevant information:
    • Redshift (z):

Multi-wavelength Observations[edit]

LST Observations[edit]

  • Dates of data-taking: 2022-09-30
    • 2022-09-30
      • Zenith range (deg): 52.6 -> 20.4
      • Transmission9km:
      • Observation condition: dark
      • Observation mode: std wobble
      • Runs: 9443 - 9450
      • Joint observations with MAGIC? : Yes
      • ELOG link: [2]
      • Important comments:

Analysis by Kenta (Kyoto)[edit]

  • Email address of analyser: terauchi.kenta.74s@st.kyoto-u.ac.jp

Data info[edit]

  • Overall selected observation time: 134.6 min (2.24 h)
  • Selected runs: 9443 - 9450
  • Position analyzed: RA 64.71717 deg, Dec +13.34902 deg

DL1 data[edit]

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

/fefs/aswg/data/real/DL1/20220930/v0.9/tailcut84/

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 > 0.6
    • leakage < 0.2
Theta2 plot for GRB220930A.
Theta2 plot for GRB220930A.
Significance evolution plot for GRB220930A.
Significance evolution plot for GRB220930A.