Photometric Observations and Apsidal Motion Study of V1143 Cyg

Photometric Observations and Apsidal Motion Study of V1143 Cyg

Photometric observations of the eccentric eclipsing binary V1143 Cyg were performed during Aug.-Sep. 2000 and July 2002, in Johnson B and V bands. The analysis of both light curves was made separately using the 1998 version of Wilson's LC code. In order to find a new observed rate of apsidal mo...

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Veröffentlicht in:Astrophysics and space science 2005-01, Vol.296 (1-4), p.141-144
Hauptverfasser: Dariush, A, Riazi, N, Afroozeh, A
Format: Artikel
Sprache:eng
Schlagworte:
Astrophysics
Double stars
Stars & galaxies
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Zusammenfassung:Photometric observations of the eccentric eclipsing binary V1143 Cyg were performed during Aug.-Sep. 2000 and July 2002, in Johnson B and V bands. The analysis of both light curves was made separately using the 1998 version of Wilson's LC code. In order to find a new observed rate of apsidal motion, we followed the procedure described by Guinan and Maloney (1985). A new observed rate of apsidal motion of 3[compfn].72/100 yr was computed, which is close to the one reported earlier by Khaliullin (1983), Gimenez and Margrave (1985), and Burns et al. (1996).
ISSN:0004-640X
1572-946X
DOI:10.1007/s10509-005-4416-0