Analysis April 2022 with lstchain v0.9.X Jurysek

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General information

  • Name of the source: LHAASO J2108+5157
  • Brief description of the source:
- Object type : Unidentified Galactic PeVatron candidate
- Distance (pc) : Unknown
- RA, Dec in deg (ICRS): 317.22, 51.95
  • Analysis by Jakub Jurysek (UNIGE, jakub.jurysek@unige.ch)

Run selection

  • Run selection with the use of the notebook from Abelardo Moralejo [1]
  • Atmospheric transmission extracted from ELOG
  • In total 178 runs selected, obstime 51.9 hours (57% of all observations)
  • Summary of selection cuts:
- Zenith > 55 deg
- Wobble in (0.45, 0.55)
- elapsed_time > 5 min
- transmission_cut > 0.65
- pedestal charge std dev < 1.8 p.e.
- Cosmic rate > 3000 ev/s
- Cosmic rate( > 10 p.e.) > 20 ev/s
- Cosmic rate( > 30 p.e.) > 3 ev/s
- muon ring width std dev < 0.023
  • List of selected runs:
- 2021-06-04 : [4913, 4914, 4915, 4916, 4917]
- 2021-06-05 : [4935, 4936]
- 2021-06-12 : [5028, 5029, 5030, 5031]
- 2021-06-30 : [5071, 5072]
- 2021-07-01 : [5080, 5081, 5082, 5083, 5084]
- 2021-07-02 : [5091, 5092, 5093]
- 2021-07-03 : [5101, 5102, 5103, 5104, 5105, 5106, 5107, 5108]
- 2021-07-04 : [5115, 5116, 5117, 5118, 5119, 5120, 5121]
- 2021-07-05 : [5135, 5136, 5137, 5138, 5139, 5140, 5141, 5142]
- 2021-07-15 : [5270, 5272]
- 2021-07-30 : [5411, 5412]
- 2021-08-01 : [5440, 5441, 5442]
- 2021-08-03 : [5461, 5462, 5463, 5464, 5465]
- 2021-08-04 : [5473, 5474, 5475, 5476, 5477, 5478, 5479, 5480]
- 2021-08-05 : [5491, 5492, 5493, 5494, 5497, 5498, 5499, 5500]
- 2021-08-06 : [5505, 5506, 5507, 5508, 5509, 5510, 5511, 5512, 5513, 5514, 5515, 5516, 5517]
- 2021-08-08 : [5576]
- 2021-08-09 : [5590, 5591]
- 2021-08-10 : [5641, 5642, 5643]
- 2021-08-11 : [5681, 5682, 5683, 5684, 5685, 5686, 5687]
- 2021-08-12 : [5707, 5708, 5709, 5710, 5711, 5712, 5713]
- 2021-08-13 : [5727]
- 2021-09-01 : [5947, 5948, 5949, 5950, 5952]
- 2021-09-02 : [5980, 5981, 5982, 5983, 5984, 5985, 5986, 5987, 5988, 5989, 5990, 5991]
- 2021-09-03 : [5999, 6000, 6001, 6002, 6003, 6004, 6005, 6006, 6007, 6008, 6009, 6010]
- 2021-09-04 : [6023, 6024, 6034, 6035, 6036, 6037, 6038]
- 2021-09-05 : [6058, 6059, 6060, 6061, 6062, 6063, 6064, 6065, 6066]
- 2021-09-06 : [6079, 6080, 6082, 6083, 6084, 6085]
- 2021-09-07 : [6130, 6131, 6132, 6133, 6134]
- 2021-09-09 : [6175, 6176, 6177, 6178, 6179, 6180, 6181, 6182, 6183]
- 2021-09-11 : [6230, 6231, 6233]
- 2021-09-12 : [6254, 6255, 6256, 6257]

MC information

- 20200629_prod5_trans_80
- 20, 40 deg zenith angle, south pointing
- Note: 20 deg zenith angle MC was tuned manually using lstchain scripts, while for 40 deg MC we used lstmcpipe production [2] and thus the directory structure for the two is different
  • PSF and NSB tuned:
"image_modifier": {
      "increase_nsb": true,
      "extra_noise_in_dim_pixels": 0.705,
      "extra_bias_in_dim_pixels": 0.269,
      "transition_charge": 8,
      "extra_noise_in_bright_pixels": 0.673,
      "increase_psf": true,
      "smeared_light_fraction": 0.125
      }
  • Tuned DL1b MC:
- 20 deg zenith angle:
/fefs/aswg/workspace/jakub.jurysek/simulations/dl1/20200629_prod5_trans_80/gamma/zenith_20deg/south_pointing/20220225_v0.9.1_prod5_trans_80_dl1ab_tune_MC_to_LHAASO/off0.4deg/
/fefs/aswg/workspace/jakub.jurysek/simulations/dl1/20200629_prod5_trans_80/gamma-diffuse/zenith_20deg/south_pointing/20220225_v0.9.1_prod5_trans_80_dl1ab_tune_MC_to_LHAASO/
/fefs/aswg/workspace/jakub.jurysek/simulations/dl1/20200629_prod5_trans_80/proton/zenith_20deg/south_pointing/20220225_v0.9.1_prod5_trans_80_dl1ab_tune_MC_to_LHAASO/
/fefs/aswg/workspace/jakub.jurysek/simulations/dl1/20200629_prod5_trans_80/electron/zenith_20deg/south_pointing/20220225_v0.9.1_prod5_trans_80_dl1ab_tune_MC_to_LHAASO/
- 40 deg zenith angle:
/fefs/aswg/data/mc/DL1/20200629_prod5_trans_80/gamma/zenith_40deg/south_pointing/20220308_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_psf_src2/off0.4deg/
/fefs/aswg/data/mc/DL1/20200629_prod5_trans_80/gamma-diffuse/zenith_40deg/south_pointing/20220308_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_psf_src2/
/fefs/aswg/data/mc/DL1/20200629_prod5_trans_80/electron/zenith_40deg/south_pointing/20220308_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_psf_src2/
/fefs/aswg/data/mc/DL1/20200629_prod5_trans_80/proton/zenith_40deg/south_pointing/20220308_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_psf_src2/
  • RFs:
- 20 deg zenith angle:
/fefs/aswg/workspace/jakub.jurysek/simulations/models/20200629_prod5_trans_80/zenith_20deg/south_pointing/20220225_v0.9.2_prod5_trans_80_dl1ab_tune_MC_to_LHAASO/
- 40 deg zenith angle:
/fefs/aswg/data/models/20200629_prod5_trans_80/zenith_40deg/south_pointing/20220308_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_psf_src2/
  • DL2 MC (testing only):
- 20 deg zenith angle:
/fefs/aswg/workspace/jakub.jurysek/simulations/dl2/20200629_prod5_trans_80/gamma/zenith_20deg/south_pointing/20220225_v0.9.2_prod5_trans_80_dl1ab_tune_MC_to_LHAASO/off0.4deg/
/fefs/aswg/workspace/jakub.jurysek/simulations/dl2/20200629_prod5_trans_80/gamma-diffuse/zenith_20deg/south_pointing/20220225_v0.9.2_prod5_trans_80_dl1ab_tune_MC_to_LHAASO/
/fefs/aswg/workspace/jakub.jurysek/simulations/dl2/20200629_prod5_trans_80/proton/zenith_20deg/south_pointing/20220225_v0.9.2_prod5_trans_80_dl1ab_tune_MC_to_LHAASO/
/fefs/aswg/workspace/jakub.jurysek/simulations/dl2/20200629_prod5_trans_80/electron/zenith_20deg/south_pointing/20220225_v0.9.2_prod5_trans_80_dl1ab_tune_MC_to_LHAASO/
- 40 deg zenith angle:
/fefs/aswg/data/mc/DL2/20200629_prod5_trans_80/proton/zenith_40deg/south_pointing/20220308_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_psf_src2/
/fefs/aswg/data/mc/DL2/20200629_prod5_trans_80/gamma/zenith_40deg/south_pointing/20220308_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_psf_src2/off0.4deg/
/fefs/aswg/data/mc/DL2/20200629_prod5_trans_80/gamma-diffuse/zenith_40deg/south_pointing/20220308_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_psf_src2/
/fefs/aswg/data/mc/DL2/20200629_prod5_trans_80/electron/zenith_40deg/south_pointing/20220308_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_psf_src2/
  • IRFs:


DL1 data

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