Three periodic variables of early B spectral type

Details Three periodic variables of early B spectral type Three periodic variables of early B spectral type

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...261..477j&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 261, no. 2, p. 477-481.

Astronomy and Astrophysics

Astrophysics

4

B Stars, Variable Stars, Power Spectra, Radial Velocity, Stellar Magnitude, Ubv Spectra

Scientific paper

Using all available uvby observations we find that HR 5375, Sigma Lupi, and HR 6174 are small-amplitude, singly-periodic variables, having periods equal to 1.5439, 3.0186 +/- 0.0004, and 1.59416 +/- 0.00013 d, respectively. We point out that while the stars may be ellipsoidal variables, the existing data are insufficient to rule out two other hypotheses, namely, those of rotational modulation and high overtone g-mode pulsations.

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