Difference between revisions of "Analysis BLLac Oct 2022"
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***Runs: 9753, 9754, 9755, 9756, 9757, 9758, 9759, 9760, 9761 | ***Runs: 9753, 9754, 9755, 9756, 9757, 9758, 9759, 9760, 9761 | ||
***Joint observations with MAGIC | ***Joint observations with MAGIC | ||
| + | ***https://www.lst1.iac.es/datacheck/observation_overview/2022/10/CameraDailyCheck20221020.pdf | ||
| + | ===DL2 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/ | ||
| − | ==DL2 data== | + | ==Fast analysis by Seiya Nozaki (source-dependent analysis)== |
| + | |||
| + | ===DL2 data=== | ||
Standard run-wise data files produced by LSTOSA. | Standard run-wise data files produced by LSTOSA. | ||
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| − | ==DL3 data selection== | + | ===DL3 data selection=== |
*intensity > 30 | *intensity > 30 | ||
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*fixed_theta_cut: 0.2 | *fixed_theta_cut: 0.2 | ||
| − | ==High-level analysis== | + | ===High-level analysis=== |
*Science Tool: gammapy 0.18.2 (+ bugfix https://github.com/gammapy/gammapy/pull/3374) | *Science Tool: gammapy 0.18.2 (+ bugfix https://github.com/gammapy/gammapy/pull/3374) | ||
| − | ==Significance of the detection== | + | ===Significance of the detection=== |
1 Off reflected position | 1 Off reflected position | ||
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* Squares: Background | * Squares: Background | ||
* Circles: Signal events | * Circles: Signal events | ||
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===Stacked=== | ===Stacked=== | ||
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[[File:Theta2_BLLac_Stacked_DMorcuende.png|500px]] | [[File:Theta2_BLLac_Stacked_DMorcuende.png|500px]] | ||
| − | ==Spectral analysis== | + | ===Spectral analysis=== |
Effective area | Effective area | ||
Revision as of 08:35, 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
- https://www.lst1.iac.es/datacheck/observation_overview/2022/10/CameraDailyCheck20221020.pdf
- 2022-10-20 ( h)
DL2 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
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
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
