Difference between revisions of "Analysis BLLac Oct 2022"
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==Data-taking information== | ==Data-taking information== | ||
* '''Dates of data-taking''': | * '''Dates of data-taking''': | ||
| − | ** 2022-10-20 ( | + | ** 2022-10-20 ( h) |
| − | ***ZD: | + | ***ZD: 16 - 42 deg |
| − | ***Transmission9km: | + | ***Transmission9km: n/a |
| − | ***Runs: | + | ***Runs: 9753, 9754, 9755, 9756, 9757, 9758, 9759, 9760, 9761 |
***Joint observations with MAGIC | ***Joint observations with MAGIC | ||
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Standard run-wise data files produced by LSTOSA. | Standard run-wise data files produced by LSTOSA. | ||
| − | * lstchain v0. | + | * lstchain v0.9 |
* tailcut 8-4 (with cleaning based on pedestal RMS) | * tailcut 8-4 (with cleaning based on pedestal RMS) | ||
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==DL3 data selection== | ==DL3 data selection== | ||
Revision as of 08:23, 27 October 2022
Contents
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
- Analysis by Daniel Morcuende (UCM, Madrid - dmorcuen@ucm.es)
Data-taking information
- Dates of data-taking:
- 2022-10-20 ( h)
- ZD: 16 - 42 deg
- Transmission9km: n/a
- Runs: 9753, 9754, 9755, 9756, 9757, 9758, 9759, 9760, 9761
- Joint observations with MAGIC
- 2022-10-20 ( h)
DL2 data
Standard run-wise data files produced by LSTOSA.
- lstchain v0.9
- tailcut 8-4 (with cleaning based on pedestal RMS)
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: 0.2
High-level analysis
- Science Tool: gammapy 0.18.2 (+ bugfix https://github.com/gammapy/gammapy/pull/3374)
Significance of the detection
1 Off reflected position Theta2 cut: 0.04 deg
- Squares: Background
- Circles: Signal events
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
Date: 2021-07-15
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
