The nature of the 1E1145.1-6141 optical counterpart

Details The nature of the 1E1145.1-6141 optical counterpart The nature of the 1E1145.1-6141 optical counterpart

Oct 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...114l...7i&link_type=abstract

Astronomy and Astrophysics, vol. 114, no. 1, Oct. 1982, p. L7, L8. Research supported by the Centre National de la Recherche Sc

Astronomy and Astrophysics

Astronomy

14

Binary Stars, Light Curve, Pulsars, X Ray Sources, Infrared Astronomy, Stellar Color

Scientific paper

An ellipsoidal light curve of 0.07 mag amplitude having a probable 5.648-day period has been observed in an optical photometric study of the optical counterpart proposed for the X-ray pulsar 1E1145.1-6141. The IR colors observed are consistent with a reddened B2 supergiant having no IR excess at a distance of 8 kpc. These results may be seen as implying a massive X-ray binary system similar to Vela X-1.

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