Swift observations of SAX J1808.4-3658: monitoring the return to quiescence Export

@article{citeulike:3057647, abstract = {The transient accreting millisecond pulsar SAX J1808.4-3658 has shown several outbursts to date but the transition from outburst to quiescence has never been investigated in detail. Thanks to the Swift observing flexibility, we monitored for the first time the decay to quiescence during the 2005 outburst. At variance with other transients, wide luminosity variations are observed. In addition, close to quiescence, SAX J1808.4-3658 seems to switch between two different states. We interpret them in terms of the accretion states accessible to a magnetized, fast rotating neutron star.}, archivePrefix = {arXiv}, author = {Campana, Sergio and Stella, Luigi and Kennea, Jamie A.}, citeulike-article-id = {3057647}, citeulike-linkout-0 = {http://arxiv.org/abs/0807.4444}, citeulike-linkout-1 = {http://arxiv.org/pdf/0807.4444}, day = {28}, eprint = {0807.4444}, keywords = {accreting, millisecond, transient}, month = {Jul}, posted-at = {2008-07-29 20:41:14}, priority = {2}, title = {Swift observations of SAX J1808.4-3658: monitoring the return to quiescence}, url = {http://arxiv.org/abs/0807.4444}, year = {2008} }

TY - JOUR ID - citeulike:3057647 L3 - citeulike-article-id:3057647 N2 - The transient accreting millisecond pulsar SAX J1808.4-3658 has shown several outbursts to date but the transition from outburst to quiescence has never been investigated in detail. Thanks to the Swift observing flexibility, we monitored for the first time the decay to quiescence during the 2005 outburst. At variance with other transients, wide luminosity variations are observed. In addition, close to quiescence, SAX J1808.4-3658 seems to switch between two different states. We interpret them in terms of the accretion states accessible to a magnetized, fast rotating neutron star. TI - Swift observations of SAX J1808.4-3658: monitoring the return to quiescence KW - accreting KW - millisecond KW - transient AU - Campana, Sergio AU - Stella, Luigi AU - Kennea, Jamie PY - 2008/Jul/28/ UR - http://arxiv.org/abs/0807.4444 ER -