Search for light variability of LSI +61deg303

Details Search for light variability of LSI +61deg303 Search for light variability of LSI +61deg303

Feb 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26a...118..365b&link_type=abstract

Astronomy and Astrophysics, vol. 118, no. 2, Feb. 1983, p. 365-367.

Astronomy and Astrophysics

Astrophysics

8

B Stars, Binary Stars, Stellar Spectrophotometry, Ubv Spectra, X Ray Sources, Electrophotometry, Light Curve, Ultraviolet Spectroscopy

Scientific paper

Photoelectric observations of the early B star LSI +61deg303 obtained with the two telescopes of the Bologna Observatory are presented. Results show the existence of fluctuations of 0.03 min on a timescale of one hour, while no periodicities in the range from 0.1 to 5 min are detected. These results indicate that this star does not exhibit light variations correlated with the 26.5 day orbital period, within the limits of observational error. In addition, no periodic fading of the integrated flux derived from ultraviolet spectroscopy is found in the optical range, while the light curve is characterized by fluctuations.

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