Photometric variability of stars belonging to the Trapezium-type systems

Details Photometric variability of stars belonging to the Trapezium-type systems Photometric variability of stars belonging to the Trapezium-type systems

Jan 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985ap%26ss.108...95c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 108, no. 1, Jan. 1985, p. 95-100. Research supported by the Consejo Nacion

Astronomy and Astrophysics

Astrophysics

Stellar Spectra, Stellar Spectrophotometry, Variable Stars, Ubv Spectra

Scientific paper

The authors report the variability of 21 stars belonging to 17 systems considered to be Trapezium-type systems by Allen et al. (1977). In order to avoid serious problems due to possible light contamination by neighbouring stars, only systems with angular separations between components equal or greater than five seconds of arc have been considered. Among the new variables here reported there are five having ΔV variations greater than 0m.3. For six systems the authors have spectrograms of the individual components. Three of the six systems are probably optical configurations and only two of the variables in the remaining three systems may be physical companions.

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