RS Oph Analysis Mab Bernardos v09X

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Overview

  • Source independent analysis using lstchain v0.9.4
  • Cleaning method: tailcut84 + pedestal cleaning + dynamic cleaning.
  • Observations: 20210809(Run5580-5584), 20210810(Run5630-5639), 20210812(Run 5696-5704)

Monte Carlo information

  • Particle types: point gamma, proton
  • Zenith 40deg, Azimuth 180 deg
  • Path to MC DL1 data:
   "/fefs/aswg/data/mc/DL1/20200629_prod5_trans_80/[gamma, gamma-diffuse, proton, electron]/zenith_40deg/south_pointing/0220307_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_src1"
  • Path to trained models:
  "/fefs/aswg/data/models/20200629_prod5_trans_80/zenith_40deg/south_pointing/20220307_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_src1"
  • Path to IRFs:
   "/fefs/aswg/data/mc/IRF/20200629_prod5_trans_80/zenith_40deg/south_pointing/20220307_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_src1/off0.4deg"
  • Path to config file:
  "/fefs/aswg/data/mc/IRF/20200629_prod5_trans_80/zenith_40deg/south_pointing/20220307_v0.9.3_prod5_trans_80_zen40az180_dl1ab_tuned_nsb_src1/off0.4deg/lstchain_config_NSBtuning.json"
  • NSB is tuned to RS Oph observations:
    • Tuned NSB
   "increase_nsb": true,
   "extra_noise_in_dim_pixels": 0.6,
   "extra_bias_in_dim_pixels": 0.269,
   "transition_charge": 8,
   "extra_noise_in_bright_pixels": 0.566,
    • Tuned PSF
   "increase_psf": true,
   "smeared_light_fraction": 0.175

Standard Cuts analysis

Event selection

Standard lstchain cuts were used:

     "intensity": [100, Infinity],
     "width": [0, Infinity],
     "length": [0, Infinity],
     "r": [0, 1],
     "wl": [0.1, 1],
     "leakage_intensity_width_2": [0, 0.2],
     "event_type": [32, 32]
   "global_gh_cut": 0.7,
   "gh_efficiency": 0.9,
   "global_alpha_cut": 10,
   "global_theta_cut": 0.2,
   "theta_containment": 0.68,
   "allowed_tels": [1]

First three nights (20210809, 20210810, 20210812) combined

Theta2 plots

Full energy range

Theta2 standard cuts.png Theta2 excess standard cuts.png

Per energy bin

Theta2 perbin standard cuts.png

SED

SED standard cuts.png

Best fit spectral parameters (fit range 0.01-40 TeV):

Spectral parameters standard cuts.png

Lightcurve

Lightcurve standard cuts.png

RS Oph cuts analysis

Event selection

Standard lstchain cuts were used:

     "intensity": [50, Infinity],
     "width": [0, Infinity],
     "length": [0, Infinity],
     "r": [0, 1],
     "wl": [0.1, 1],
     "leakage_intensity_width_2": [0, 0.2],
     "event_type": [32, 32]
   "global_gh_cut": 0.9,
   "gh_efficiency": 0.9,
   "global_alpha_cut": 10,
   "global_theta_cut": 0.2,
   "theta_containment": 0.68,
   "allowed_tels": [1]

First three nights (20210809, 20210810, 20210812) combined

Theta2 plots

Full energy range

Theta2 rsoph cuts.png Theta2 excess rsoph cuts.png

Per energy bin

Theta2 perbin rsoph cuts.png

SED

SED rsoph cuts.png

Best fit spectral parameters (fit range 0.05-40 TeV):

Spectral parameters rsoph cuts.jpg

Lightcurve

Lightcurve rsoph cuts.png

After moon break

20210829 Theta2 plot

(Typo in number of wobbles [2] --> 4)

20210829 theta2 rsoph cuts.png 20210829 theta2 excess rsoph cuts.png

20210830 Theta2 plot

(Typo in number of wobbles [2] --> 4)

20210830 theta2 rsoph cuts.png 20210830 theta2 excess rsoph cuts.png

20210901 Theta2 plot

(Typo in number of wobbles [2] --> 4)

20210901 theta2 rsoph cuts.png 20210901 theta2 excess rsoph cuts.png

20210902 Theta2 plot

(Typo in number of wobbles [2] --> 4)

20210902 theta2 rsoph cuts.png 20210902 theta2 excess rsoph cuts.png