MAGIC observations of Mkn 421 in 2008, and related optical/X-ray/TeV MWL study

Antonio Stamerra; Ching-Cheng Hsu; Elina Lindfors; Fabrizio Tavecchio; Florian Goebel; Giacomo Bonnoli; Konstancja Satalecka; Pratik Majumdar; Robert Wagner (for the MAGIC Collaboration)

arxiv: 0907.0831 · v1 · pith:IMCUH5UGnew · submitted 2009-07-05 · 🌌 astro-ph.HE · astro-ph.CO

MAGIC observations of Mkn 421 in 2008, and related optical/X-ray/TeV MWL study

Giacomo Bonnoli , Ching-Cheng Hsu , Florian Goebel , Elina Lindfors , Pratik Majumdar , Konstancja Satalecka , Antonio Stamerra , Fabrizio Tavecchio

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Robert Wagner (for the Magic Collaboration)

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classification 🌌 astro-ph.HE astro-ph.CO

keywords magicdatafluxgamma-rayobservedopticalx-rayactivity

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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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MAGIC observations of Mkn 421 in 2008, and related optical/X-ray/TeV MWL study

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