Detection of small-amplitude pulsations in HD 34656 (O7 II)

Details Detection of small-amplitude pulsations in HD 34656 (O7 II) Detection of small-amplitude pulsations in HD 34656 (O7 II)

Feb 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991apj...368l..35f&link_type=abstract

Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 368, Feb. 20, 1991, p. L35-L38. Research supported by NSERC, McDo

Astronomy and Astrophysics

Astrophysics

22

Early Stars, Line Spectra, Stellar Oscillations, Stellar Spectra, Absorption Spectra, Hydrogen, Oxygen, Radial Velocity

Scientific paper

Radial velocity variations with period 8.18 hr and semiamplitude 3 km/s
have been detected in high-quality Reticon spectra of the O7 II(f) star
HD 34656. These fluctuations indicate that the star is pulsating,
possibly in the radial fundamental mode.

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