Upper Limits From Five Years of VERITAS Blazar Observations
Matteo Cerruti (for the VERITAS Collaboration)
TL;DR
This paper reports on five years of VERITAS observations of about 130 blazars, providing upper limits for non-detected sources, and analyzing the entire dataset to understand VHE emission characteristics.
Contribution
It presents the first comprehensive set of upper limits for a large sample of non-detected blazars and includes a stacked analysis to enhance sensitivity.
Findings
25 blazars detected as VHE sources
Upper limits established for 65 non-detected blazars
Stacked analysis reveals collective VHE emission patterns
Abstract
The VERITAS array of Cherenkov telescopes was used to observe ~130 blazars from 2007 to 2012. Of these, 25 were detected as very-high-energy (VHE; E > 100 GeV) sources. We present here the results of the analysis of 65 VERITAS non-detected blazars, including upper limits on their VHE flux. Results from a stacked analysis of the entire data set and of smaller sub-sets (defined as a function of the redshift and the blazar class) are presented and discussed.
Peer Reviews
No public reviews on file for this paper yet. If you reviewed it on a platform where reviews are public (OpenReview, ICLR, NeurIPS, ICML), you can paste yours below so the community can read it here.
Videos
No videos yet. Explain this paper in a talk, walkthrough, or lecture? Add one.
Taxonomy
TopicsAstrophysics and Cosmic Phenomena · Radio Astronomy Observations and Technology · Neutrino Physics Research