Astronomy and Astrophysics – Astrophysics
Scientific paper
Apr 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ap.....39..103p&link_type=abstract
Astrophysics, Volume 39, Issue 2, pp.103-106
Astronomy and Astrophysics
Astrophysics
Scientific paper
An analysis of an eleven-year photometric study of the first magnetic nova V1500 Cyg from observations made at the Crimean Observatory is presented. The data indicate the existence of a beat period caused by rotational-orbital asynchronization as well as its increase with time. The current rotational period of the primary component — a magnetic white dwarf — was calculated for each year by using the current values of the beat period and a constant value for the orbital period. It is shown that rapid synchronization of the components has not occurred uniformly with time: the rate of increase of the rotational period of the white dwarf wasdot P_{rot} = 1.8 \cdot 10^{ - 6} during 1977 1979 anddot P_{rot} = 2.7 \cdot 10^{ - 8} over the next ten years. This would lead to synchronization of the rotational and orbital periods over about 230 year ifdot P_{rot} remains constant at 2.7 · 10-8.
Malanushenko V. P.
Pavlenko Elena P.
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