Photometric Observation and Apsidal motion Study of V1143 Cyg

Details Photometric Observation and Apsidal motion Study of V1143 Cyg Photometric Observation and Apsidal motion Study of V1143 Cyg

2004-11-30

arxiv.org/abs/astro-ph/0411788v1

Astrophys.Space Sci. 296 (2005) 141-144

Astronomy and Astrophysics

Astrophysics

13 pages, 12 figures, 4 tables, submitted to A&SS

Scientific paper

10.1007/s10509-005-4416-0

Photometric observations of the eccentric eclipsing binary V1143 Cygni were performed during the August-September 2000 and July 2002, in B and V bands of the Johnson system. The analysis on both light curves was done 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 3.72 degrees/100yr was computed which is close to the one reported earlier by Khaliullin (1983), Gimenez and Margrave (1985), and Burns et al.(1996).

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