G255-2 - A new ZZ Ceti variable star

Details G255-2 - A new ZZ Ceti variable star G255-2 - A new ZZ Ceti variable star

Nov 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981a%26a...103l..17v&link_type=abstract

Astronomy and Astrophysics, vol. 103, no. 2, Nov. 1981, p. L17-L19.

Astronomy and Astrophysics

Astrophysics

10

Stellar Evolution, Stellar Spectrophotometry, Variable Stars, White Dwarf Stars, Balmer Series, Fourier Transformation, Stellar Luminosity, Stellar Temperature

Scientific paper

The discovery is reported of a new ZZ Ceti variable selected from its G-R color. G255-2 has been found to vary with two main periods: 830s and 685s of similar amplitude of about 4 percent of star luminosity. Two more periods at 450s and 380s of smaller amplitude may be present. Both periods and amplitudes seem to have remained stable during the six months interval between the two observing runs.

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