Difference between revisions of "Analysis BLLac July 2021"

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(Significance of the detection)
(Significance of the detection)
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* Excess: 23 +/- 22
 
* Excess: 23 +/- 22
 
* Li&Ma significance: 1.0 sigma  
 
* Li&Ma significance: 1.0 sigma  
 +
 +
[[File:Theta2_BLLac_2021-07-09_DMorcuende.png|500px]]
  
 
===Date: 2021-07-10===
 
===Date: 2021-07-10===
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* Excess: 247 +/- 31
 
* Excess: 247 +/- 31
 
* Li&Ma significance: 8.1 sigma  
 
* Li&Ma significance: 8.1 sigma  
 +
 +
[[File:Theta2_BLLac_2021-07-10_DMorcuende.png|500px]]
  
 
===Date: 2021-07-12===
 
===Date: 2021-07-12===
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* Excess: -5 +/- 8
 
* Excess: -5 +/- 8
 
* Li&Ma significance: -0.7 sigma  
 
* Li&Ma significance: -0.7 sigma  
 +
 +
[[File:Theta2_BLLac_2021-07-12_DMorcuende.png|500px]]
  
 
===Stacked===
 
===Stacked===
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* Excess: 265 +/- 39
 
* Excess: 265 +/- 39
 
* Li&Ma significance: 6.9 sigma  
 
* Li&Ma significance: 6.9 sigma  
 +
 +
[[File:Theta2_BLLac_Stacked_DMorcuende.png|500px]]
  
  
 
[[Commissioning | Back to the Commissioning page]]
 
[[Commissioning | Back to the Commissioning page]]

Revision as of 15:29, 13 July 2021

BL Lacertae flare July 2021

General information

  • Name of the source: BL Lacertae
  • Brief description of the source:
    • IBL / LBL
    • highly variable
    • z = 0.069
    • RA: 22 02 43.3 (hh mm ss), Dec: +42 16 40 (dd mm ss)
    • RA, Dec in deg (ICRS): 330.68038, 42.277772

Data-taking information

  • Dates of data-taking:
    • 2021-07-09 (0.41 h)
      • ZD: 23 - 26 deg
      • Transmission9km: ~90%
      • Runs: 5219, 5220
      • Joint observations with MAGIC
    • 2021-07-10 (1.56 h)
      • ZD: 20 - 40 deg
      • Transmission9km: 50% - 60%
      • Runs: 5229 - 5235
      • Joint observations with MAGIC (runs 5229, 5230)
    • 2021-07-12 (0.49 h)
      • ZD: 43 - 47 deg
      • Transmission9km: < 50%
      • Runs: 5251 - 5252
      • Joint observations with MAGIC

DL2 data

Standard run-wise data files produced by LSTOSA.

  • lstchain v0.7.3
  • tailcut 8-4 (with cleaning based on pedestal RMS)
/fefs/aswg/data/real/DL2/20210709/v0.7.3/tailcut84/dl2_LST-1.Run05219.h5
/fefs/aswg/data/real/DL2/20210709/v0.7.3/tailcut84/dl2_LST-1.Run05220.h5
/fefs/aswg/data/real/DL2/20210710/v0.7.3/tailcut84/dl2_LST-1.Run05229.h5
/fefs/aswg/data/real/DL2/20210710/v0.7.3/tailcut84/dl2_LST-1.Run05230.h5
/fefs/aswg/data/real/DL2/20210710/v0.7.3/tailcut84/dl2_LST-1.Run05231.h5
/fefs/aswg/data/real/DL2/20210710/v0.7.3/tailcut84/dl2_LST-1.Run05232.h5
/fefs/aswg/data/real/DL2/20210710/v0.7.3/tailcut84/dl2_LST-1.Run05233.h5
/fefs/aswg/data/real/DL2/20210710/v0.7.3/tailcut84/dl2_LST-1.Run05234.h5
/fefs/aswg/data/real/DL2/20210710/v0.7.3/tailcut84/dl2_LST-1.Run05235.h5
/fefs/aswg/data/real/DL2/20210712/v0.7.3/tailcut84/dl2_LST-1.Run05251.h5
/fefs/aswg/data/real/DL2/20210712/v0.7.3/tailcut84/dl2_LST-1.Run05252.h5

DL3 data selection

  • intensity > 30
  • r: [0, 1 ]
  • wl: [0.05, 1]
  • leakage_intensity_width_2: [0, 0.2 ]
  • fixed_gh_cut: 0.7
  • fixed_theta_cut: 0.1

Significance of the detection

1 Off reflected position
Theta2 cut: 0.04 deg

Date: 2021-07-09

  • List of runs: [5219, 5220]
  • Observation time: 0.41 h
  • Number of ON events: 257
  • Number of OFF events: 234 +/- 15
  • Excess: 23 +/- 22
  • Li&Ma significance: 1.0 sigma

Theta2 BLLac 2021-07-09 DMorcuende.png

Date: 2021-07-10

  • List of runs: [5229, 5230, 5231, 5232, 5233, 5234, 5235]
  • Observation time: 1.56 h
  • Number of ON events: 598
  • Number of OFF events: 351 +/- 19
  • Excess: 247 +/- 31
  • Li&Ma significance: 8.1 sigma

Theta2 BLLac 2021-07-10 DMorcuende.png

Date: 2021-07-12

  • List of runs: [5251, 5252]
  • Observation time: 0.49 h
  • Number of ON events: 26
  • Number of OFF events: 31 +/- 6
  • Excess: -5 +/- 8
  • Li&Ma significance: -0.7 sigma

Theta2 BLLac 2021-07-12 DMorcuende.png

Stacked

  • List of runs: [5219, 5220, 5229, 5230, 5231, 5232, 5233, 5234, 5235, 5251, 5252]
  • Observation time: 2.46 h
  • Number of ON events: 881
  • Number of OFF events: 616 +/- 25
  • Excess: 265 +/- 39
  • Li&Ma significance: 6.9 sigma

Theta2 BLLac Stacked DMorcuende.png


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