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.
Near-infrared, optical, and X-ray observations of the anomalous X-ray pulsar 4U 0142+61
Advances in Space Research ; 35 , 6 ; 1177-1180
2005-04-11
4 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Near-infrared, optical, and X-ray observations of the anomalous X-ray pulsar 4U 0142+61
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