Fast Offline Analysis WR140 September08 2024 P068

General information

• Name of the source: WR 140
• Brief description of the source: binary companion of an O-type star, forming a colliding-wind binary
  • Object type : Wolf-Rayet star
  • Redshift (z) :
  • Other relevant information
  • RA: 20h 20m 27.98s(hh mm ss), Dec: +43deg 51m 16.28s (dd mm ss)
  • RA, Dec in deg (ICRS): (305.12, 43.85) deg

• Analysis by:
  • Helena Luciani (University of Trieste - helena.luciani@phd.units.it)

Data-taking information

• Dates of data-taking: 2024-09-08
  • Time of observation (h): 1.38 h
    • ZD range (deg): 20 - 50
    • Observations:

20240908  :  [18943 18944 18945 18946 18947]

• Joint observations with MAGIC?: Yes
• Information on data-taking (observations summaries): https://www.lst1.iac.es/datacheck/observation_overview/2024/09/run_summary_2024_09_08.pdf

General analysis information

• source-independent analysis
• lstchain version: lstchain-v0.10.11

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• DL1b standard production (v0.10/tailcut84), run-wise merged files in:

/fefs/aswg/data/real/DL1/20240908/v0.10/tailcut84/dl1_LST-1.Run18943.h5 

/fefs/aswg/data/real/DL1/20240908/v0.10/tailcut84/dl1_LST-1.Run18944.h5 

/fefs/aswg/data/real/DL1/20240908/v0.10/tailcut84/dl1_LST-1.Run18945.h5 

/fefs/aswg/data/real/DL1/20240908/v0.10/tailcut84/dl1_LST-1.Run18946.h5 

/fefs/aswg/data/real/DL1/20240908/v0.10/tailcut84/dl1_LST-1.Run18947.h5 

Monte Carlo information

• All-sky MC production used: 20240131_allsky_v0.10.5_all_dec_base
• Declination line (training): dec_4822

Random forest

Path to the models used:

/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_4822

DL2 data

Config file:

/fefs/aswg/data/models/AllSky/20240131_allsky_v0.10.5_all_dec_base/dec_4822/lstchain_config_2024-01-31.json

Files in:

/fefs/aswg/workspace/helena.luciani/fast_offline_analysis/WR140/20240908/DL2

Theta2 plot

Settings:

• Theta2 cut for signal extraction: 0.04 deg2
• Normalization range:
• Number of off positions: 3
• min_gammaness_cut = [0.5, 0.95]
• Energy range: 0 - 100 TeV

No detection