Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002atel..102....1v&link_type=abstract
The Astronomer's Telegram, #102
Astronomy and Astrophysics
Astrophysics
2
Optical, X-Ray, Binaries, Pulsars
Scientific paper
We report observations of the likely optical counterpart to the 361-s X-ray pulsar XTE J1855-026 (Corbet et al. 1999, ApJ 517, 956; Corbet & Mukai 2002, astroph/0207181), which is part of an eclipsing binary with a 6.01-d orbit. Our candidate is a relatively bright star right on the edge of the new 12" ASCA error circle (Corbet & Mukai 2002, astroph/0207181), which doesn't contain any obvious candidate, and therefore the likely optical counterpart (coordinates from SIMBAD RA: 18:55:30.5, Dec: -02:36:21).
Covino Stefano
Israel GianLuca
Negueruela Ignacio
Verrecchia Francesco
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