The HBL-type blazar Markarian 421 is one of the brightest TeV gamma-ray sources of the Northern sky. From December 2007 until June 2008 it was intensively observed in the VHE (E>100 GeV) band by the MAGIC gamma-ray telescope. The source showed intense and prolonged activity during the whole period. In some nights the integral flux rose up to 3.6 Crab units (E>200 GeV). Intra-night rapid flux variations were observed. We compared the optical (KVA) and X-ray (RXTE-ASM, Swift-XRT) data with the MAGIC VHE data, investigating the correlations between different energy bands.
Bonnoli, G., C., H., F., G., E., L., P., M., K., S., et al. (2009). MAGIC observations of Mkn 421 in 2008, and related optical/X-ray/TeV MWL study. In ArXiv e-prints (pp.831).
MAGIC observations of Mkn 421 in 2008, and related optical/X-ray/TeV MWL study
BONNOLI, GIACOMO;STAMERRA, ANTONIO;
2009-01-01
Abstract
The HBL-type blazar Markarian 421 is one of the brightest TeV gamma-ray sources of the Northern sky. From December 2007 until June 2008 it was intensively observed in the VHE (E>100 GeV) band by the MAGIC gamma-ray telescope. The source showed intense and prolonged activity during the whole period. In some nights the integral flux rose up to 3.6 Crab units (E>200 GeV). Intra-night rapid flux variations were observed. We compared the optical (KVA) and X-ray (RXTE-ASM, Swift-XRT) data with the MAGIC VHE data, investigating the correlations between different energy bands.
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https://hdl.handle.net/11365/43107
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