Search for TeV gamma-rays from SN 1987A in 2001

Details Search for TeV gamma-rays from SN 1987A in 2001 Search for TeV gamma-rays from SN 1987A in 2001

2003-04-21

arxiv.org/abs/astro-ph/0304356v2

Astrophys.J. 591 (2003) L25-L28

Astronomy and Astrophysics

Astrophysics

8 pages, 3 figures, submitted for publication, style file added

Scientific paper

10.1086/376978

We searched for TeV gamma-rays from the remnant of SN 1987A around 5400 days after the supernova. The observations were carried out in 2001, from November 16 to December 11, using the CANGAROO-II Imaging Atmospheric Cherenkov Telescope. In total, 708 minutes of ON- and 1019 minutes of OFF-source data were obtained under good conditions. The detection threshold was estimated to be 1 TeV, due to the mean zenith angle of 39$^\circ$. The upper limits for the gamma-ray flux were obtained and compared with the previous observations and theoretical models. The observations indicate that the gamma-ray luminosity is lower than $1\times 10^{37}$ erg s$^{-1}$ at $\sim 10$ TeV.

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