Difference between revisions of "Analysis BLLac Oct 2022"

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(Significance of the detection)
(DL3 analysis)
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===DL3 analysis===
 
===DL3 analysis===
  
*Science Tool: gammapy 0.20.1
+
*gammapy 0.20.1
*intensity > 30
+
*cut
*r: [0,  1 ]
+
**intensity > 30
*wl: [0.05, 1]
+
**r: [0,  1 ]
*leakage_intensity_width_2: [0, 0.2 ]
+
**wl: [0.05, 1]
*fixed_gh_cut: 0.7
+
**leakage_intensity_width_2: [0, 0.2 ]
*fixed_theta_cut: 0.2
+
**70% efficiency gammaness cut
 
+
**70% efficiency gammaness cut
  
 
* 2022-10-20
 
* 2022-10-20

Revision as of 09:18, 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
  • source-dependent

Significance of the detection

  • 1 Off reflected position
  • cut
    • intensity > 100
    • gammaness > 0.7
    • alpha < 10
  • statistics
    • Number of ON events: 128864
    • Number of OFF events: 113599
    • Excess: 15265
    • Li&Ma significance: 31 sigma

Alpha BLLac 20221020 SNozaki.png

DL3 analysis

  • gammapy 0.20.1
  • cut
    • intensity > 30
    • r: [0, 1 ]
    • wl: [0.05, 1]
    • leakage_intensity_width_2: [0, 0.2 ]
    • 70% efficiency gammaness cut
    • 70% efficiency gammaness cut
  • 2022-10-20

SED BLLac 20221020 SNozaki.png

LC BLLac 20221020 SNozaki.png



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