Simultaneous observations of the quasar 3C 273 with INTEGRAL, XMM-Newton and RXTE

T.J.L. Courvoisier, V. Beckmann, G. Bourban, Jérôme Chenevez, M. Chernyakova, S. Deluit, P. Favre, J.E. Grindlay, Niels Lund, P. O'Brien, K. Page, N. Produit, M. Turler, M.J.L. Turner, R. Staubert, M. Stuhlinger, Rasmus Walter, A.A. Zdziarski

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    INTEGRAL has observed the bright quasar 3C 273 on 3 epochs in January 2003 as one of the first observations of the open programme. The observation on January 5 was simultaneous with RXTE and XMM-Newton observations. We present here a first analysis of the continuum emission as observed by these 3 satellites in the band from similar or equal to3 keV to similar or equal to500 keV. The continuum spectral energy distribution of 3C 273 was observed to be weak and steep in the high energies during this campaign. We present the actual status of the cross calibrations between the instruments on the three platforms using the calibrations available in June 2003.
    Original languageEnglish
    JournalAstronomy and Astrophysics
    Volume411
    Issue number1
    Pages (from-to)L343-L348
    ISSN0004-6361
    Publication statusPublished - 2003

    Keywords

    • quasars : general
    • gamma-rays : observations
    • galaxies : active
    • quasars : individual : 3C 273

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