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arXiv:0706.1710 (astro-ph)
[Submitted on 12 Jun 2007]

Title:New method for atmospheric calibration at the Pierre Auger Observatory using FRAM, a robotic astronomical telescope

Authors:Segev BenZvi, Martina Bohacova, Brian Connolly, Jiri Grygar, Miroslav Hrabovsky, Tatiana Karova, Dusan Mandat, Petr Necesal, Dalibor Nosek, Libor Nozka, Miroslav Palatka, Miroslav Pech, Michael Prouza, Jan Ridky, Petr Schovanek, Radomir Smida, Petr Travnicek, Primo Vitale, Stefan Westerhoff (for the Pierre Auger Collaboration)
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Abstract: FRAM - F/(Ph)otometric Robotic Atmospheric Monitor is the latest addition to the atmospheric monitoring instruments of the Pierre Auger Observatory. An optical telescope equipped with CCD camera and photometer, it automatically observes a set of selected standard stars and a calibrated terrestrial source. Primarily, the wavelength dependence of the attenuation is derived and the comparison between its vertical values (for stars) and horizontal values (for the terrestrial source) is made. Further, the integral vertical aerosol optical depth can be obtained. A secondary program of the instrument, the detection of optical counterparts of gamma-ray bursts, has already proven successful. The hardware setup, software system, data taking procedures, and first analysis results are described in this paper.
Comments: Contribution to the 30th International Cosmic Ray Conference, Merida Mexico, July 2007; 4 pages, 2 figures
Subjects: Astrophysics (astro-ph)
Cite as: arXiv:0706.1710 [astro-ph]
  (or arXiv:0706.1710v1 [astro-ph] for this version)
  https://doi.org/10.48550/arXiv.0706.1710

Submission history

From: Michael Prouza [view email]
[v1] Tue, 12 Jun 2007 14:52:11 UTC (177 KB)
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