Fast offline analysis WR140 August 2024 P067

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General information[edit]

  • Name of the source: WR 140
  • Brief description of the source:
    • Object type : Wolf–Rayet star binary
    • Redshift (z) : 0
    • Other relevant information
    • RA, Dec in deg (ICRS): 305.1165658, 43.85452412
  • Analysis by:
    • Ryuji Takeishi (ICRR - take@icrr.u-tokyo.ac.jp)

Data-taking information[edit]

  • Dates of data-taking: 2024-08-03, 2024-08-08
      • ZD range (deg): --> 15-35 deg
      • AZ range (deg): -->
      • Transmission9km:
      • Observation condition: dark
      • Observation mode: std wobbles
      • Observations:
'2024-08-03': [18412, 18413] 0.2 h
'2024-08-08': [18516, 18517, 18518, 18519, 18520, 18521, 18522] 2.2 h

https://www.lst1.iac.es/datacheck/observation_overview/2024/08/run_summary_2024_08_08.pdf

General analysis information[edit]

  • source-independent analysis
  • lstchain version: v0.10.11
  • DL1b standard production (v0.10/tailcut84), run-wise merged files in:
/fefs/aswg/data/real/DL1/20240803/v0.10/tailcut84/dl1_LST-1.Run18412.h5
/fefs/aswg/data/real/DL1/20240803/v0.10/tailcut84/dl1_LST-1.Run18413.h5
/fefs/aswg/data/real/DL1/20240808/v0.10/tailcut84/dl1_LST-1.Run18516.h5
/fefs/aswg/data/real/DL1/20240808/v0.10/tailcut84/dl1_LST-1.Run18517.h5
/fefs/aswg/data/real/DL1/20240808/v0.10/tailcut84/dl1_LST-1.Run18518.h5
/fefs/aswg/data/real/DL1/20240808/v0.10/tailcut84/dl1_LST-1.Run18519.h5
/fefs/aswg/data/real/DL1/20240808/v0.10/tailcut84/dl1_LST-1.Run18520.h5
/fefs/aswg/data/real/DL1/20240808/v0.10/tailcut84/dl1_LST-1.Run18521.h5
/fefs/aswg/data/real/DL1/20240808/v0.10/tailcut84/dl1_LST-1.Run18522.h5

Monte Carlo information[edit]

Write below the MC production id among the existing MC

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


Random forest[edit]

Path to the models used:

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

DL2 data[edit]

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/ryuji.takeishi/FOA/WR140/DL2

DL3 data & IRF[edit]

 "EventSelector": {
   "filters": {
     "intensity": [50, Infinity],
     "width": [0, Infinity],
     "length": [0, Infinity],
     "r": [0, 1],
     "wl": [0.01, 1],
     "leakage_intensity_width_2": [0, 1],
     "event_type": [32, 32]
   }
 },
 "DL3Cuts": {
   "min_event_p_en_bin": 100,
   "min_gh_cut": 0.1,
   "max_gh_cut": 0.98,
   "min_theta_cut": 0.1,
   "max_theta_cut": 0.32,
   "fill_theta_cut": 0.32,
   "allowed_tels": [1]
 },
  • 70 % efficiency for both gammaness and theta gamma-ray selection cuts
  • Point-like IRF

Files in:

/fefs/aswg/workspace/ryuji.takeishi/FOA/WR140/DL3

High-level analysis[edit]

  • Gammapy 1.1
  • 1D analysis (point-like IRF)

Analysis Results[edit]

Theta2 plot[edit]

Settings:

  • Theta2 cut for signal extraction: 0.04 deg2
  • Normalization range: 0.1 - 0.4 deg2
  • Number of off positions: 3
  • Energy range: 100 GeV - 10 TeV

Daily results[edit]

2024-08-03: No detection 20240803 WR140 Takeishi.png

2024-08-08: No detection Theta2 20240808 WR140 Takeishi.png

Significance and Excess sky maps[edit]

Spectral results[edit]

Light curve[edit]