Low-level accretion in the quiescent neutron-star transient XTE-J1701-462

Details Low-level accretion in the quiescent neutron-star transient XTE-J1701-462 Low-level accretion in the quiescent neutron-star transient XTE-J1701-462

Oct 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010xmm..prop..213h&link_type=abstract

XMM-Newton Proposal ID #06751501

Physics

White Dwarf Binaries, Neutron Star Binaries, Cataclysmic Variables, Ulxs, Black Holes, Xte J1701-462

Scientific paper

Thermal emission from quiescent neutron stars is commonly used to constrain their internal structure. Although often neglected, low-level accretion in these systems may significantly affect the interpretation of this thermal emission. We recently began Swift monitoring of XTE J1701-462, to study low-level accretion and its impact on the quiescent properties. We detected episodes of enhanced activity, to at least 1e35 erg/s (up from 5e33 erg/s). Here, we request a 45 ks XMM ToO observation of XTE J1701-462 to study the source spectrum during a new flare episode, to better understand the nature of low-level accretion flows and estimate the amount of heating of the neutron star that takes place.

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