Editing GRB230723B

Go back to [[Transient Working Group]].


== Alert Information ==

* '''Name/type of the alert''': SWIFT_BAT_GRB_POSITION
* '''GCN notice''': [https://gcn.gsfc.nasa.gov/other/1180410.swift]
* '''Triggered by''': Swift BAT
* '''Alert coordinates''':
** ''RA: 16 41 30.912 (hh mm ss), Dec: -5 19 37.920 (dd mm ss)''
** ''RA, Dec in deg (ICRS): 250.379 deg, -5.32720 deg''
* '''Alert arrival time''': 2023-07-23T11:42:46UTC
* '''Other relevant information''':
** Redshift (z): 
 
==Multi-wavelength Observations==



== LST Observations ==

* '''Dates of data-taking''': 2023-07-23
** 2023-07-23
*** Zenith range (deg): 34 --> 57
*** Transmission9km: N.A. (MAGIC lidar not working)
*** Observation condition: ''moderate moon''
*** Observation mode: '' std wobbles''
*** Runs: 13767-->13777
*** Joint observations with MAGIC? : ''yes''
*** ELOG link:[http://www.lst1.iac.es/elog/LST+commissioning/2888]
*** Important comments:

== Analysis by Irene Burelli (University of Udine - irene.burelli@gmail.com) ==

=== Data-taking information ===

* Overall selected observation time: 189.9 min
* Selected runs: 13767-->13777
* Position analyzed: '' RA 250.38deg, Dec -5.33deg''

=== DL1 data ===

Used DL1b files produced by LSTOSA

 /fefs/aswg/data/real/DL1/20230723/v0.10/tailcut84/


=== DL2 data ===

* Random forest (custom - NSB tuned from AllSky/dec_min_413): 

 /fefs/aswg/workspace/irene.burelli/analysis/models/20230723/Run{runid}

* lstchain v0.10 with config file (cleaning tuned to NSB)
 /fefs/aswg/workspace/irene.burelli/analysis/_configs/Av_NSB_params/final_NSBparams_day20230723_{runid}.json


=== Theta2 plot from DL2===

*Cuts and parameters used:
**intensity > 50
**gammaness > 0.8
**Theta2_global_cut=0.04
**leakage < 0.2
** norm_range_theta2_min=0.3     
** norm_range_theta2_max=0.5

{| align='center'
| [[Image: Theta2_from_DL2_GRB230723B.png |thumb|600px|center|alt=Theta2 plot for GRB230723B.|Theta2 plot for GRB230723B.]]
|}

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