Volume 372, Number 2, June III 2001
|Page(s)||588 - 593|
|Section||Interstellar and circumstellar matter|
|Published online||15 June 2001|
uvby light curves of the eclipsing binary system V2154 Cyg*
Instituto de Astrofísica de Andalucía, CSIC, PO Box 3004, 18080 Granada, Spain
2 Departamento de Física, E.U.I.T. Industriales, UPM, Ronda de Valencia 3, 28012 Madrid, Spain
Corresponding author: E. Rodríguez, firstname.lastname@example.org
Accepted: 6 April 2001
This paper presents complete uvby light curves for the recently discovered eclipsing binary system V2154 Cyg. Additional Crawford H data were also obtained. Three times of primary minima and two secondary minima are determined. An improved orbital period is found to be 26306312. A detailed photometric analysis is made using the EBOP code. This eclipsing binary is probably one of the components of a much wider double star, forming altogether a triple system. The results show that the eclipsing pair is a detached system with two late-type stars very different in size. Masses of about and are inferred for the components by using stellar evolution models. The total mass of the probable triple system is estimated to be of about 3.5 , leading to a minimum orbital period of about 140 yr for the visual pair.
Key words: stars: binaries: eclipsing / stars: individual: V2154 Cyg / stars: fundamental parameters / techniques: photometric
© ESO, 2001
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.