Difference between revisions of "Analysis BLLac Oct 2022"

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(Fast analysis by Seiya Nozaki (source-dependent analysis))
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  /fefs/aswg/data/real/DL1/20221020/v0.9/tailcut84/
 
  /fefs/aswg/data/real/DL1/20221020/v0.9/tailcut84/
 +
 +
  
 
==Fast analysis by Seiya Nozaki (source-dependent analysis)==
 
==Fast analysis by Seiya Nozaki (source-dependent analysis)==
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* Li&Ma significance: 6.9 sigma  
 
* Li&Ma significance: 6.9 sigma  
  
[[File:Alpha_BLLac_20221020_SNozaki.png|300px]]
+
[[File:Alpha_BLLac_20221020_SNozaki.png|400px]]
  
===DL3 data selection===
+
===DL3 analysis===
  
 +
*Science Tool: gammapy 0.20.1
 
*intensity > 30
 
*intensity > 30
 
*r: [0,  1 ]
 
*r: [0,  1 ]
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*fixed_gh_cut: 0.7
 
*fixed_gh_cut: 0.7
 
*fixed_theta_cut: 0.2
 
*fixed_theta_cut: 0.2
 
===High-level analysis===
 
 
*Science Tool: gammapy 0.20.1
 
 
 
 
===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
 
 
[[File:Theta2_BLLac_Stacked_DMorcuende.png|500px]]
 
 
===Spectral analysis===
 
 
Effective area
 
 
[[File:Aeff_BLLac.png|500px]]
 
 
 
Migration Matrix and exposure
 
 
[[File:Migration_matrix_exposure_BLLac_2021-09-10.png|1500px]]
 
  
  
* 2021-07-10
+
* 2022-10-20
[[File:SED_PWL_2021-07-10_DMorcuende.png|500px]]
+
[[File:SED_BLLac_20221020_SNozaki.png|400px]]
  
* PowerLaw fit:
+
[[File:LC_BLLac_20221020_SNozaki.png|400px]]
** index: 3.5 +/- 0.2
 
** E_ref: 0.1 TeV
 
** amplitude: 1.3 +/- 0.2 10^-9 cm-2 s-1 TeV-1
 
  
[[File:Residuals_Excess_energy.png|600px]]
 
  
  
  
 
[[Data analysis | Back to the Data analysis page]]
 
[[Data analysis | Back to the Data analysis page]]

Revision as of 08:58, 27 October 2022

BL Lacertae flare Oct 2022

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

DL1 data

Standard run-wise data files produced by LSTOSA.

  • tailcut 8-4 (with cleaning based on pedestal RMS)
/fefs/aswg/data/real/DL1/20221020/v0.9/tailcut84/


Fast analysis by Seiya Nozaki (source-dependent analysis)

DL2 data

  • lstchain v0.9
  • tailcut 8-4 (with cleaning based on pedestal RMS)

Significance of the detection

  • 1 Off reflected position
  • alpha cut: 10 deg
  • Number of ON events: 881
  • Number of OFF events: 616 +/- 25
  • Excess: 265 +/- 39
  • Li&Ma significance: 6.9 sigma

Alpha BLLac 20221020 SNozaki.png

DL3 analysis

  • Science Tool: gammapy 0.20.1
  • intensity > 30
  • r: [0, 1 ]
  • wl: [0.05, 1]
  • leakage_intensity_width_2: [0, 0.2 ]
  • fixed_gh_cut: 0.7
  • fixed_theta_cut: 0.2


  • 2022-10-20

SED BLLac 20221020 SNozaki.png

LC BLLac 20221020 SNozaki.png



Back to the Data analysis page