Wide-range multiwavelength observations of northern TeV blazars with MAGIC/HESS, Suzaku and KVA

M. Hayashida, S. Rügamer, D. Mazin, R. Firpo, K. Mannheim, F. Tavecchio, M. Teshima, D. Horns, L. Costamante, S. Schwarzburg, S. Wagner, T. Takahashi, Jun Kataoka, G. Madejski, R. Sato, M. Ushio

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We conducted multiwavelength observations of the northern TeV blazars, Mkn501 and Mkn421, employing the ground-based γ-ray telescopes MAGIC and HESS, the Suzaku X-ray satellite and the KVA optical telescope. The observations for Mkn501 were performed in July 2006. The source showed one of the lowest fluxes both in very high energy (VHE) γ-ray and X-ray. No significant flux variability could be found in the VHE band while an overall increase of about 50% on a 1-day time scale could be seen in the light curve of the X-ray flux. A one-zone synchrotron self-Compton model can well describe our simultaneous spectral data of the VHE γ-ray and the X-ray emissions of Mkn501 in the quiescent state. The simultaneous observations of Mkn421 were carried out in April 2006. The source was clearly detected in all observations and showed a high state of activity both in VHE γ-ray and X-ray.

Original languageEnglish
Title of host publicationProceedings of the 30th International Cosmic Ray Conference, ICRC 2007
PublisherUniversidad Nacional Autonoma de Mexico
Pages1029-1032
Number of pages4
Volume3
EditionOG PART 2
Publication statusPublished - 2007
Externally publishedYes
Event30th International Cosmic Ray Conference, ICRC 2007 - Merida, Yucatan, Mexico
Duration: 2007 Jul 32007 Jul 11

Other

Other30th International Cosmic Ray Conference, ICRC 2007
CountryMexico
CityMerida, Yucatan
Period07/7/307/7/11

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blazars
rays
x rays
telescopes
daytime
light curve
energy bands
energy
synchrotrons

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

Cite this

Hayashida, M., Rügamer, S., Mazin, D., Firpo, R., Mannheim, K., Tavecchio, F., ... Ushio, M. (2007). Wide-range multiwavelength observations of northern TeV blazars with MAGIC/HESS, Suzaku and KVA. In Proceedings of the 30th International Cosmic Ray Conference, ICRC 2007 (OG PART 2 ed., Vol. 3, pp. 1029-1032). Universidad Nacional Autonoma de Mexico.

Wide-range multiwavelength observations of northern TeV blazars with MAGIC/HESS, Suzaku and KVA. / Hayashida, M.; Rügamer, S.; Mazin, D.; Firpo, R.; Mannheim, K.; Tavecchio, F.; Teshima, M.; Horns, D.; Costamante, L.; Schwarzburg, S.; Wagner, S.; Takahashi, T.; Kataoka, Jun; Madejski, G.; Sato, R.; Ushio, M.

Proceedings of the 30th International Cosmic Ray Conference, ICRC 2007. Vol. 3 OG PART 2. ed. Universidad Nacional Autonoma de Mexico, 2007. p. 1029-1032.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Hayashida, M, Rügamer, S, Mazin, D, Firpo, R, Mannheim, K, Tavecchio, F, Teshima, M, Horns, D, Costamante, L, Schwarzburg, S, Wagner, S, Takahashi, T, Kataoka, J, Madejski, G, Sato, R & Ushio, M 2007, Wide-range multiwavelength observations of northern TeV blazars with MAGIC/HESS, Suzaku and KVA. in Proceedings of the 30th International Cosmic Ray Conference, ICRC 2007. OG PART 2 edn, vol. 3, Universidad Nacional Autonoma de Mexico, pp. 1029-1032, 30th International Cosmic Ray Conference, ICRC 2007, Merida, Yucatan, Mexico, 07/7/3.
Hayashida M, Rügamer S, Mazin D, Firpo R, Mannheim K, Tavecchio F et al. Wide-range multiwavelength observations of northern TeV blazars with MAGIC/HESS, Suzaku and KVA. In Proceedings of the 30th International Cosmic Ray Conference, ICRC 2007. OG PART 2 ed. Vol. 3. Universidad Nacional Autonoma de Mexico. 2007. p. 1029-1032
Hayashida, M. ; Rügamer, S. ; Mazin, D. ; Firpo, R. ; Mannheim, K. ; Tavecchio, F. ; Teshima, M. ; Horns, D. ; Costamante, L. ; Schwarzburg, S. ; Wagner, S. ; Takahashi, T. ; Kataoka, Jun ; Madejski, G. ; Sato, R. ; Ushio, M. / Wide-range multiwavelength observations of northern TeV blazars with MAGIC/HESS, Suzaku and KVA. Proceedings of the 30th International Cosmic Ray Conference, ICRC 2007. Vol. 3 OG PART 2. ed. Universidad Nacional Autonoma de Mexico, 2007. pp. 1029-1032
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AU - Hayashida, M.

AU - Rügamer, S.

AU - Mazin, D.

AU - Firpo, R.

AU - Mannheim, K.

AU - Tavecchio, F.

AU - Teshima, M.

AU - Horns, D.

AU - Costamante, L.

AU - Schwarzburg, S.

AU - Wagner, S.

AU - Takahashi, T.

AU - Kataoka, Jun

AU - Madejski, G.

AU - Sato, R.

AU - Ushio, M.

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AB - We conducted multiwavelength observations of the northern TeV blazars, Mkn501 and Mkn421, employing the ground-based γ-ray telescopes MAGIC and HESS, the Suzaku X-ray satellite and the KVA optical telescope. The observations for Mkn501 were performed in July 2006. The source showed one of the lowest fluxes both in very high energy (VHE) γ-ray and X-ray. No significant flux variability could be found in the VHE band while an overall increase of about 50% on a 1-day time scale could be seen in the light curve of the X-ray flux. A one-zone synchrotron self-Compton model can well describe our simultaneous spectral data of the VHE γ-ray and the X-ray emissions of Mkn501 in the quiescent state. The simultaneous observations of Mkn421 were carried out in April 2006. The source was clearly detected in all observations and showed a high state of activity both in VHE γ-ray and X-ray.

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