AbstractWe present results from the simultaneous observations of an anomalous X-ray pulsar (AXP) 4U 0142+61 on Sep. 2003. We used RXTE, Subaru, and UH88 telescopes to cover X-ray, near-infrared (NIR) (JHK′), and optical (BVRI) bands, respectively. We obtained a simultaneous broadband spectrum for the first time among AXPs. We found NIR excess in the spectrum, which may be another component different from the optical one. We also found a R band dip. We discuss the broadband spectrum covering the optical and X-ray bands in the framework of a self absorbed synchrotron emission from the magnetosphere of magnetar. We also discuss about the R band dip feature, which could put a restriction on the emission models of magnetars.


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    Titel :

    Near-infrared, optical, and X-ray observations of the anomalous X-ray pulsar 4U 0142+61


    Beteiligte:
    Morii, Mikio (Autor:in) / Kawai, Nobuyuki (Autor:in) / Kataoka, Jun (Autor:in) / Yatsu, Yoichi (Autor:in) / Kobayashi, Naoto (Autor:in) / Terada, Hiroshi (Autor:in)

    Erschienen in:

    Advances in Space Research ; 35 , 6 ; 1177-1180


    Erscheinungsdatum :

    2005-04-11


    Format / Umfang :

    4 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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