The X-Ray Sources at the Center of the Supernova Remnant RX J0852.0−4622 | Zendy

S. Mereghetti | Zendy

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The X-Ray Sources at the Center of the Supernova Remnant RX J0852.0−4622

Author(s) -

S. Mereghetti

Publication year - 2001

Publication title -

the astrophysical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.376

H-Index - 489

eISSN - 1538-4357

pISSN - 0004-637X

DOI - 10.1086/319115

Subject(s) - astrophysics , physics , supernova remnant , neutron star , supernova , x ray , star (game theory) , flux (metallurgy) , center (category theory) , astronomy , optics , materials science , crystallography , chemistry , metallurgy

We present a BeppoSAX observation of the X-ray source AX J0851.9-4617.4 thathas been proposed as the neutron star associated to the shell like-supernovaremnant RX J0852.0-4622. The image at E>5 keV shows the presence of a newsource, SAX J0852.0-4615, not resolved from AX J0851.9-4617.4 in previousobservations. The improved positional accuracy obtained for AX J0851.9-4617.4confirms its possible identification with an early type star, also consistentwith its soft thermal spectrum (kT~1.3 keV). SAX J0852.0-4615, with a harderX-ray spectrum and a higher X-ray to optical flux ratio, is a more likelycandidate for the neutron star associated to the supernova remnant.Comment: Latex file, 3 eps figures, accepted for publication in ApJ Letter

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