The 2005 october multiwavelength campaign of GRS 1915+105

Y. Ueda, R. Ishioka, K. Sekiguchi, M. Ribo, J. Rodriguez, S. Chaty, J. Greiner, G. Sala, Y. Fuchs, P. Goldoni, S. Covino, G. G. Pooley, P. Edwards, A. Tzioumis, H. Lehto, E. Gerard, P. Colom, J. Martin, S. A. Trushkin, A. J. Castro-TiradoD. Hannikainen, H. Sudo, M. Honma, F. Iwamuro, K. Kubuta, K. Yamaoka, C. Done, S. Naik, Y. Fukazawa, L. Angelini, H. Awaki, K. Ebisawa, K. Iwasawa, N. Kawai, K. Kinugasa, M. Kokubun, T. Kotani, A. Kubota, T. Murakami, M. Namiki, H. Takahashi, T. Yaqoob, D. Yonetoku, A. Yoshida

研究成果: Conference article

抄録

We report the first results of a large multiwavelength campaign of GRS 1915+105 performed between 2005 October 16 to October 18 with Suzaku, INTEGRAL, RXTE, Swift, Spitzer, and ground observatories including Subaru, ESO/NTT, REM (infrared), VLA, ATCA, Nancay, Ryle, and RATAN (radio). GRS 1915+105 was firstly in the stable state with a 6 Hz QPO but then entered into the oscillation phase identified as Class θ. The Suzaku spectra in the 1-80 keV band are very soft, approximated by a photo index of 3-3.8 with varying iron-K features in different Xray states. The simultaneous Subaru and X-ray light curves in the oscillation phase indicate that infrared flares occur after the X-ray dip with variable time delay. This result strongly suggests that the disc transition from State C to State A triggers the ejection of jet, which eventually produces infrared/radio flares by internal shock.

本文言語English
ジャーナルInternational Conference Recent Advances in Natural Language Processing, RANLP
出版ステータスPublished - 2006
イベント6th Microquasar Workshop: Microquasars and Beyond, MQW 2006 - Como, Italy
継続期間: 2006 9 182006 9 22

ASJC Scopus subject areas

  • Software
  • Computer Science Applications
  • Artificial Intelligence
  • Electrical and Electronic Engineering

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