Journal
ASTROPHYSICAL JOURNAL
Volume 724, Issue 1, Pages 669-677Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/724/1/669
Keywords
astrometry; stars: individual (RX J185635, 3754); stars: neutron
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Funding
- German Research Foundation (DFG) [SFB/TR 7]
- US DOE [DE-87ER40317]
- NASA [NAS 5-26555]
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We have redetermined the parallax and proper motion of the nearby isolated neutron star RX J185635-3754. We used eight observations with the high-resolution camera of the HST/ACS taken from 2002 through 2004. We performed the astrometric fitting using five independent methods, all of which yielded consistent results. The mean estimate of the parallax, 8.16(-0.8)(+0.9) mas (1 sigma), corresponds to a distance of 123(-15)(+11) pc, in good agreement with our earlier published determination.
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