Optical Pulsations in the Proposed Counterpart of CXOU J005446.3-722523

Details Optical Pulsations in the Proposed Counterpart of CXOU J005446.3-722523 Optical Pulsations in the Proposed Counterpart of CXOU J005446.3-722523

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atel.2998....1s&link_type=abstract

The Astronomer's Telegram, #2998

Computer Science

Databases

Optical, X-Ray, Binary, Neutron Star, Variables, Pulsar

Scientific paper

A tentative X-ray pulsar, with a 4693 s pulse period, was found in Chandra data of the SMC by Laycock et al. (2010, ApJ, 716, 1217). They proposed the optical counterpart is emission-line star [MA93] 798 (Meyssonnier & Azzopardi 1993, A&AS, 102, 451). We have identified this star with entries smc_sc7_i_70843 in OGLE-II and 207.16259.37 in MACHO online databases. The light curves show a slow, gradual brightening, with very small scatter.

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