Multiwavelength observations of Mrk 501 in 2008
ASTRONOMY & ASTROPHYSICS(2020)
摘要
Mrk 501 is a well-studied nearby (redshift z = 0.034) BL Lac that was first detected at TeV energies by the Whipple Collaboration in 1996. Here, we present a multiwavelength campaign on Mrk 501 between March and May 2008. The multi-instrument effort includes the imaging atmospheric Cherenkov telescope (IACT) systems VERITAS and MAGIC sensitive to very high energy (VHE, E > 0.1 TeV) gamma-rays, the X-ray observatories Swift and RXTE, the optical telescopes with GASP-WEBT, and the radio instrument RATAN-600. Mrk 501 was found to be in a low flux state during the campaign, with a VHE flux in the range of 10% 20% of the Crab
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关键词
astroparticle physics,BL Lacertae objects: individual: Mrk 501,gamma rays: general
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