New ephemeris for the dwarf cepheid DY Pegasi

Details New ephemeris for the dwarf cepheid DY Pegasi New ephemeris for the dwarf cepheid DY Pegasi

Apr 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pasp...91..230q&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 91, Apr.-May 1979, p. 230-233.

Astronomy and Astrophysics

Astronomy

5

Cepheid Variables, Dwarf Stars, Ephemerides, Light Curve, Main Sequence Stars, Regression Analysis, Tables (Data)

Scientific paper

The times of 19 maxima of the short-period variable DY Peg were measured over 1976 and 1977 using high-speed photometry. These, together with 103 selected times of maxima over the past 30 years, are used to determine a revised ephemeris: Max = JDsun2432751.96195 + 0d.072926332E. Estimates of the rate of change of the period indicate that the period is decreasing at a rate of 0.02 sec century-1.

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