Anomalous X-ray pulsars: Persistent States with Fallback Disks

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dc.creatorErtan, Unal
dc.creatorAlpar, M. Ali
dc.creatorErkut, M. Hakan
dc.creatorEksi, K. Yavuz
dc.creatorCaliskan, Sirin
dc.date2006-12-20
dc.date.accessioned2026-07-07T10:21:18Z
dc.date.available2026-07-07T10:21:18Z
dc.descriptionThe anomalous X-ray pulsar 4U 0142+61 was recently detected in the mid infrared bands with the SPITZER Observatory (Wang, Chakrabarty & Kaplan 2006). This observation is the first instance for a disk around an AXP. From a reanalysis of optical and infrared data, we show that the observations indicate that the disk is likely to be an active disk rather than a passive dust disk beyond the light cylinder, as proposed in the discovering paper. Furthermore, we show that the irradiated accretion disk model can also account for all the optical and infrared observations of the anomalous X-ray pulsars in the persistent state.
dc.description6 pages, 1 figure, to appear in proceedings of the conference "Isolated Neutron Stars: From the Interior to the Surface" eds. S. Zane, R. Turolla, D. Page; Astrophysics & Space Science in press
dc.identifierhttps://arxiv.org/abs/astro-ph/0612587
dc.identifierhttp://arxiv.org/abs/astro-ph/0612587
dc.identifierAstrophys.J.657:441-447,2007
dc.identifierdoi:10.1086/510303
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/175131
dc.subjectAstrophysics
dc.titleAnomalous X-ray pulsars: Persistent States with Fallback Disks
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