Eclipse timings of RW Trianguli

Details Eclipse timings of RW Trianguli Eclipse timings of RW Trianguli

Oct 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978pasp...90..568a&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 90, Oct.-Nov. 1978, p. 568-573.

Astronomy and Astrophysics

Astronomy

22

Astronomical Photometry, Eclipsing Binary Stars, Light Curve, Variable Stars, Ephemerides, Periodic Variations

Scientific paper

The times of 30 eclipse minima of the nova-like variable RW Tri are presented, and the O-C diagram of these new timings, along with all previously published timings, is analyzed. The eclipse timings are inconsistent with a purely linear ephemeris. The residuals from the linear ephemeris appear to be cyclic. The peak-to-peak amplitude of the cyclic variation is about 0.0017 day, and there are two possible periods for the cycle, 2777 days and 4980 days. However, the data are sparse, and the residuals are also consistent with erratic, noncyclic behavior.

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