Group Minutes

Agenda

• Students updates
• Marcel Grossman Meeting 16 - VERITAS GRB Talk
• Optics
• AOB

Notes

• Miles
  • TeVCat research on 4 events
  • Reading and preparing motivation slides for REU talk
  • Compare weight factor for the detected events (2 HESS and 2 MAGIC), versus our VERITAS list below.
  • For the following list of VERITAS observations:
    • Find zenith for each run (https://veritasm.sao.arizona.edu/DQM/loggen.html )
    • Use zenith to get energy threshold (E_th) (https://veritas.sao.arizona.edu/wiki/Performance_Paper#Zenith_angle_vs._Energy_threshold)
    • Plug in E_th to weight factor equation (W = e^-tau/t_delay, where tau=tau(z, E_th) ) Use gammapy to get this e^-tau. Use Gilmore EBL model.

• Jamil
  • Worked with gammapy tutorials. Did HESS survey map. Is map telescope pointing, or event counts?
  • Can check this HESS map for plotting different scale (linear vs log)
  • Use the 4 pointing files from gammapy to simulate the Crab.
  • Massimo will reach out to gammapy contact to get more pointing files.
• Daniela
  • Worked on Blazars slides for presentation.
  • Will work on GeV-TeV cutoff. Has a spreadsheet for runs to analyze and has begun downloading.
  • Qi gave some feedback on slides.
  • Qi and Elisa will pick one priority source for Daniela to work on. Next call with Elisa next week.
• Laurel
  • Working on testing the GUI. Tested power supply.
  • Might need a different connection for library to communicate with power supply.
• Marcel Grossman Meeting Practice Talk
  • 9am Thursday July 1.
• Talks every two weeks
  • Particle Acceleration and Shocks: Organized by Reshmi + Felix Ahoronian
  • For tomorrow, Wednesday 9am:
  • An Introduction to Particle Acceleration in Shearing Flows by F. Rieger, https://arxiv.org/abs/1909.07237
  • Power law spectra from stochastic acceleration: https://arxiv.org/abs/2008.10955
  • Generalized Fermi acceleration: https://arxiv.org/abs/1903.05917
• Optics work
  • Finish S1 alignment
  • MPES debugging and alignment to constrain panel motion (by freezing Rx, Ry and Tz motions)
  • P2 and S2 first order correction to be measured
• SPIE proceeding - technical (Camera), observation (Mkr421) and optics(?). "Technical and Scientific Performance of the pSCT".
• ICRC
  • Author list to be compiled in format for submission(Thanks Reshmi!)
• Tehanu cluster
  • Need to estimate RAM needed for VEGAS jobs. Email Alisha Chromey + Jodi Christianson for advice.

Deivid Ribeiro - 2021-06-28

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