Multiwavelength study of the TeV blazar Mrk 421 during a giant flare

2012/03/17 by Amit Shukla, A. Shukla, V. R. Chitnis +9 · 55 citations
Physics and Astronomy · #Astronomy #Astrophysics #Astrophysics and Cosmic Phenomena #Blazar #Context (archaeology) #Flare #Flux (metallurgy) #Gamma ray #Geography #Light curve #Neutrino Physics Research #Physics #Radio Astronomy Observations and Technology #Telescope #astro-ph.HE

paper · pdf · doi:10.1051/0004-6361/201118569

published in Astronomy and Astrophysics 541, A140 (EDP Sciences) · 9 pages, 10 figures, Accepted for publication in Astronomy and Astrophysics (A & A)

arxiv created 2012/03/17 · openalex publication_date 2012/03/28 · arxiv updated 2015/06/04 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

Aims. The nearby (z = 0.031) TeV blazar Mrk 421 was reported to be in a high state of flux activity since November, 2009. We aim to investigate possible changes in the physical parameters of Mrk 421 during its high state of activity using multiwavelength data.

Citations

• The Swift X-Ray Telescope
• Possible Production of High-Energy Gamma Rays from Proton Acceleration in the Extragalactic Radio Source Markarian 501
• H I in the Galaxy
• Bright X-Ray Flares from the BL Lac Object Markarian 421, Detected with MAXI in 2010 January and February
• MAGIC TeV gamma-ray observations of Markarian 421 during multiwavelength campaigns in 2006
• FERMILARGE AREA TELESCOPE OBSERVATIONS OF MARKARIAN 421: THE MISSING PIECE OF ITS SPECTRAL ENERGY DISTRIBUTION