Difference between revisions of "Galactic Center"

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: ''Up to category'': [[Data analysis]]
 
<span style="color:red"> ''Note: Under construction'' </span>
 
<span style="color:red"> ''Note: Under construction'' </span>
  
−
==General information==
+
==General Information==
 
* '''Name''': Galactic Center, Central region of the Milky Way
 
* '''Name''': Galactic Center, Central region of the Milky Way
 
* '''Brief description''':  
 
* '''Brief description''':  
 
** Object type: Extended source
 
** Object type: Extended source
−
** Distance: 8.3 kpc
+
** Distance: 8.5 kpc
  
 
* '''TeV gamma-ray objects'''
 
* '''TeV gamma-ray objects'''
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−
==Data-taking information==
+
==Data-taking Information==
  
 
: ''Run-by-run summary'': [[List of Galactic-center observations]]
 
: ''Run-by-run summary'': [[List of Galactic-center observations]]
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=== 2022 ===
 
=== 2022 ===
 
* ''To be observed''
 
* ''To be observed''
 +
 +
 +
==Data Analysis==
 +
 +
* Data Search & Quality Check
 +
** based on Abelardo's notebook, as of Dec 2022. 212 Runs (50.0 hr) found.
 +
** 171 runs (41.6 hr) survived the notebook. Additionally, 6 runs were removed, judging from the size distribution.
 +
** ToDo: systematic check of the size distribution, introduce the Zd dependence.
 +
** Will be updated (as of Nov 2023)
 +
 +
* Used Data
 +
** Observation Data
 +
*** paths: /fefs/aswg/data/real/DL1/*/v0.9/tailcut84/dl1_LST-1.Run*.h5
 +
** MC
 +
*** To use the diffuse MCs both for testing/training, we manually split the Training MCs.
 +
*** split ratio (train/test): 50/50 for Gamma, 80/20 for Proton
 +
*** paths: /fefs/aswg/data/mc/DL1/AllSky/20221027_v0.9.9_base_prod/TrainingDataset/dec_min_2924/GammaDiffuse
 +
*** ToDo: NSB tuning
 +
 +
* Analysis Pipilines
 +
** lstchain v0.9.9
 +
** pybkgmodel
 +
** gammapy v0.20.1
 +
** ToDo: software update
 +
 +
* Random Forest
 +
** We train RFs on the node-by-node basis
 +
** keys: "x", "y" were removed for the FoV stability, "sin_az_tel", "alt_tel" were removed for node-by-node RFs
 +
** ToDo: comparison with trajectory RFs. Incorpolate the recent development from the Boomerang team presented in LST General Meeting (Nov 2023).
 +
 +
* DL2 to DL3
 +
** to be written
 +
 +
* Background Modeling
 +
** to be written
 +
 +
* Modeling
 +
** to be written
 +
 +
 +
==Internal Meeting==
 +
* 2022
 +
** [https://indico.cta-observatory.org/event/4157/contributions/34607/attachments/21859/31098/2022Jun21_LSTFund.pdf MC/Data Comparison at Large Zd] (LST-Fund, 21st Jun 2022)
 +
** [https://indico.cta-observatory.org/event/4312/contributions/35624/attachments/22295/31904/GalCenter_LST_GWG_2022_09.pdf Galactic Center Status Report, Background Tools] (LST-Gal 30th Sep 2022)
 +
** [https://indico.cta-observatory.org/event/4271/contributions/35937/attachments/22424/32105/2022Oct17_LSTGeneral_indico.pdf Large-Zd Performance Study] (LST General, 17th Oct 2022)
 +
** [https://indico.cta-observatory.org/event/4513/contributions/37272/attachments/22896/32882/2022Dec19_LSTreco.pdf 1D Spectral Analysis of Large-Zd Crab and Gal. Center] (LST-Reco, 19th Dec 2022)
 +
* 2023
 +
** [https://indico.cta-observatory.org/event/4671/contributions/38285/attachments/23205/33334/2022Feb13_reco.pdf SkyMap Prototype] (LST-Reco, 13 Feb 2023)
 +
** [https://indico.cta-observatory.org/event/4689/contributions/38676/attachments/23631/34051/LST_GC_Report_20230503.pdf Initial 3D Analysis] (LST-Fund, 3rd May, 2023)
 +
** [https://indico.cta-observatory.org/event/4919/contributions/40170/attachments/23854/34370/pybkgmodel_LSTreco_2023June05_Strzys.pdf Background Modeling] (LST-Reco, 5th June 2023)
 +
** [https://indico.cta-observatory.org/event/4727/contributions/40158/attachments/23966/34608/LST_General_GalCent_2023Jun19.pdf Skymap and 3D analysis for point-like sources] (LST General, 19th June 2023)
 +
** [https://indico.cta-observatory.org/event/4960/ Discussion on WIMP search and Background Improvement] (LST-Fund, 18th Oct 2023)
 +
** [https://indico.cta-observatory.org/event/5185/contributions/42105/attachments/24599/35731/GalCent_Mono_LST_General_9Nov2023.pdf Improvement of High-Energy Background Modeling and Analysis of the Diffuse Ridge Emission] (LST General, 9th Nov 2023)
 +
** [https://indico.cta-observatory.org/event/5293/contributions/43153/attachments/24969/36329/GalCent_Mono_LST_GAL_15Dec2023.pdf Plans for the Cycle-II LST-Mono Proposal] (LST-Gal, 15th Dec 2023)
 +
 +
==Conferences==
 +
* 2022
 +
** JPS Spring 2022 (Mar 2022)
 +
** JPS Autumn 2022 (Sep 2022)
 +
* 2023
 +
** JPS Spring 2023 (Mar 2023)
 +
** TeVPA 2023 (Sep 2023)
 +
** ASJ Autumn 2023 (Sep 2023)

Latest revision as of 21:28, 14 December 2023

Up to category: Data analysis

Note: Under construction

General Information[edit]

  • Name: Galactic Center, Central region of the Milky Way
  • Brief description:
    • Object type: Extended source
    • Distance: 8.5 kpc
  • TeV gamma-ray objects
    • Sagittarius A*
      • RA: 17 45 40.04 (hh mm ss), Dec: -29 00 28.17 (dd mm ss) (ICRS)


Data-taking Information[edit]

Run-by-run summary: List of Galactic-center observations

2021[edit]

  • Date (time of observation h)
      • ZD range (deg): Zenith Range
      • AZ range (deg): Azimuth Range
      • Transmission9km:
      • Runs:
      • Joint observations with MAGIC? : Yes/No

2022[edit]

  • To be observed


Data Analysis[edit]

  • Data Search & Quality Check
    • based on Abelardo's notebook, as of Dec 2022. 212 Runs (50.0 hr) found.
    • 171 runs (41.6 hr) survived the notebook. Additionally, 6 runs were removed, judging from the size distribution.
    • ToDo: systematic check of the size distribution, introduce the Zd dependence.
    • Will be updated (as of Nov 2023)
  • Used Data
    • Observation Data
      • paths: /fefs/aswg/data/real/DL1/*/v0.9/tailcut84/dl1_LST-1.Run*.h5
    • MC
      • To use the diffuse MCs both for testing/training, we manually split the Training MCs.
      • split ratio (train/test): 50/50 for Gamma, 80/20 for Proton
      • paths: /fefs/aswg/data/mc/DL1/AllSky/20221027_v0.9.9_base_prod/TrainingDataset/dec_min_2924/GammaDiffuse
      • ToDo: NSB tuning
  • Analysis Pipilines
    • lstchain v0.9.9
    • pybkgmodel
    • gammapy v0.20.1
    • ToDo: software update
  • Random Forest
    • We train RFs on the node-by-node basis
    • keys: "x", "y" were removed for the FoV stability, "sin_az_tel", "alt_tel" were removed for node-by-node RFs
    • ToDo: comparison with trajectory RFs. Incorpolate the recent development from the Boomerang team presented in LST General Meeting (Nov 2023).
  • DL2 to DL3
    • to be written
  • Background Modeling
    • to be written
  • Modeling
    • to be written


Internal Meeting[edit]

Conferences[edit]

  • 2022
    • JPS Spring 2022 (Mar 2022)
    • JPS Autumn 2022 (Sep 2022)
  • 2023
    • JPS Spring 2023 (Mar 2023)
    • TeVPA 2023 (Sep 2023)
    • ASJ Autumn 2023 (Sep 2023)
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