Optical Pulsations in Two SMC Be/X-ray Pulsars

Details Optical Pulsations in Two SMC Be/X-ray Pulsars Optical Pulsations in Two SMC Be/X-ray Pulsars

Mar 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1406....1s&link_type=abstract

The Astronomer's Telegram, #1406

Astronomy and Astrophysics

Astronomy

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

Scientific paper

We have analyzed the MACHO and OGLE II light curves of SXP25.5 (XMMU J004814.1-731003) and SXP327. SXP25.5 (RA=00:48:14.1, Dec=-73:10:04.0) is identified with stars OGLE II smc_sc4_i_171264 (I~15.6) and MACHO 212.15849.52 (R~15.6). The light curves show strong non-radial pulsations (NRP) at 0.5983 days. Long-term (hundreds of days) irregular ~0.1 mag variations are also present. SXP327 (RA=00.52:52.5 Dec=-72:17:14.9) has been identified by M.

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