Two-colour photoelectric investigation of AR Lacertae

The eclipsing binary AR Lac was observed on 70 nights in 1978 and 1979 with a 48 cm Cassegrain reflector using standard B and V filters. Several times of minima have been obtained and the new light elements have been calculated. The orbital period of the system is found to decrease by 14.6 s/century...

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Bibliographic Details
Published in:Astrophysics and space science 1981-07, Vol.77 (2), p.325-346
Main Authors: Kuturaç, M., Ibanoğlu, C., Tunca, Z., Ertan, A. Y., Evren, S., Tümer, O.
Format: Article
Language:English
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Summary:The eclipsing binary AR Lac was observed on 70 nights in 1978 and 1979 with a 48 cm Cassegrain reflector using standard B and V filters. Several times of minima have been obtained and the new light elements have been calculated. The orbital period of the system is found to decrease by 14.6 s/century.
ISSN:0004-640X
1572-946X
DOI:10.1007/BF00649463