The radial velocity curve and the two-dimensional spectral classification of the Delta SCT variable HD 18878

Details The radial velocity curve and the two-dimensional spectral classification of the Delta SCT variable HD 18878 The radial velocity curve and the two-dimensional spectral classification of the Delta SCT variable HD 18878

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992sval...18..283n&link_type=abstract

Soviet Astronomy Letters, Vol. 18, p. 283; Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 18, no. 8, p. 703-710. In R

Astronomy and Astrophysics

Astronomy

1

Radial Velocity, Stellar Spectrophotometry, Variable Stars, Classifications, Electrophotometry, Stellar Spectra

Scientific paper

The radial velocities of HD 18878 were measured from spectra of this new Delta Sct type variable. The radial velocity curve with elements determined from the photoelectric observations of Frolov et al. (1990) is derived. The mean radial velocity is -20 km/s, and the amplitude of its variation is 34 km/s. On the basis of spectral criteria and the location of this star on a two-color diagram, it is argued that HD 18878 is an A9III star.

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