Optical CCD photometry of the microquasar LS 5039

Details Optical CCD photometry of the microquasar LS 5039 Optical CCD photometry of the microquasar LS 5039

Apr 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004a%26a...418..271m&link_type=abstract

Astronomy and Astrophysics, v.418, p.271-274 (2004)

Astronomy and Astrophysics

Astrophysics

7

Stars: Individual: Ls 5039

Scientific paper

We report optical CCD observations of the microquasar LS 5039. Its photometric behaviour is studied over different orbital periods with a time separation of three years. We do not detect evidences of an ellipsoidal modulation above the ±0.01 mag level, thus confirming the previous results reported by Clark et al. (\cite{clark01}). The light curve of LS 5039 has also been explored with a time resolution of 30 s but the source also appears to be stable on such shorter time scales. Possible scenarios consistent with the non-detection of optical variability are considered.

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