SIMBAD references

2004AJ....128..709C - Astron. J., 128, 709-711 (2004/August-0)

The orbital period of SMC X-3 from optical photometry.

COWLEY A.P. and SCHMIDTKE P.C.

Abstract (from CDS):

We have investigated the long-term optical light curve of SMC X-3 using the MACHO database. The optical counterpart is an O9e star that shows low-amplitude variability with a period of 44.86 days in both visible and red light. This compares favorably with the X-ray outburst recurrence period of 45.1 days recently found by Corbet et al. It is likely that this ∼45 day cycle is the orbital period of the hot star and its 7.8 s pulsar companion.

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Journal keyword(s): Stars: Pulsars: General - Stars: Emission-Line, Be - stars: individual (SMC X-3) - Stars: Variables: Other - X-Rays: Binaries

Simbad objects: 9

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