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A Study of the Binary GR Tauri from Optical and Infrared Observations

Bibcode
1995AJ....110.1796L
DOI
10.1086/117651
Lazaro, C.; Niarchos, P.; Rovithis, P.; Rovithis-Livaniou, E.; Arevalo, M. J.; Antonopoulou, E.
Bibliographical reference

Astronomical Journal v.110, p.1796

Advertised on:
10
1995
Number of authors
6
IAC number of authors
2
Citations
9
Refereed citations
5
Description
Visual and infrared light curves of the noncontact, short period, close binary system UR Tauri were obtained in 1992 November. A new ephemeris of the binary is given using the times of minima inferred from all the observations of the system to date. New light and photometric data from the analysis of the B, V and J,K light curves via the Wilson-Devinney code are also given, resulting in a "near-contact" binary model for the system. The analysis of the colors of UR Tauri shows that the primary component's spectral type must be about A9 V, instead of AS V according to a recent spectroscopic classification.
Type
Refereed

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