Optical counterpart and a probable pulse period in IGR J01054-7253

Details Optical counterpart and a probable pulse period in IGR J01054-7253 Optical counterpart and a probable pulse period in IGR J01054-7253

Jun 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009atel.2088....1j&link_type=abstract

The Astronomer's Telegram, #2088

Astronomy and Astrophysics

Astronomy

1

Optical, X-Ray, Binaries, Neutron Stars, Pulsars

Scientific paper

The new Integral source, IGR J01054-7253, in the SMC (see ATEL 2079) has been observed by the Swift Observatory on 17 June 2009. These observations reveal an accurate position for this source of RA 01:04:41.41 Dec -72:54:04.6 (2000) with a 3.6 arcsec error circle. This position lies within 3.5 arcsec of the V=14.8 star [M2002] SMC 59977. Furthermore, OGLE III data of this object reveal a very variable object in the I band, showing outbursts of ~0.8 mag lasting about 1 year, typical of Be stars in the SMC.

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