Difference between revisions of "Analysis BLLac July 2021"
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[[File:Theta2_BLLac_Stacked_DMorcuende.png|500px]] | [[File:Theta2_BLLac_Stacked_DMorcuende.png|500px]] | ||
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| + | ==Spectral analysis== | ||
| + | |||
| + | Effective area | ||
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| + | [[File:Aeff_BLLac.png|500px]] | ||
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| + | Migration Matrix and exposure | ||
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| + | [[File:Migration_matrix_exposure_BLLac_2021-09-10.png|1500px]] | ||
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| + | * 2021-07-10 | ||
| + | [[File:SED_PWL_2021-07-10_DMorcuende.png|500px]] | ||
| + | |||
| + | * PowerLaw fit: | ||
| + | ** 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]] | ||
[[Commissioning | Back to the Commissioning page]] | [[Commissioning | Back to the Commissioning page]] | ||
Revision as of 17:34, 13 July 2021
Contents
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
- 2021-07-09 (0.41 h)
- 2021-07-10 (1.56 h)
- ZD: 20 - 40 deg
- Transmission9km: 50% - 60%
- Runs: 5229 - 5235
- Joint observations with MAGIC (runs 5229, 5230)
- 2021-07-10 (1.56 h)
- 2021-07-12 (0.49 h)
- ZD: 43 - 47 deg
- Transmission9km: < 50%
- Runs: 5251 - 5252
- Joint observations with MAGIC
- 2021-07-12 (0.49 h)
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
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
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
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
Spectral analysis
Effective area
Migration Matrix and exposure
- 2021-07-10
- PowerLaw fit:
- index: 3.5 +/- 0.2
- E_ref: 0.1 TeV
- amplitude: 1.3 +/- 0.2 10^-9 cm-2 s-1 TeV-1
