Pulsating CP2 stars. II - Gamma Equulei (HD 201601) and Beta Coronae Borealis (HD 137909)

Details Pulsating CP2 stars. II - Gamma Equulei (HD 201601) and Beta Coronae Borealis (HD 137909) Pulsating CP2 stars. II - Gamma Equulei (HD 201601) and Beta Coronae Borealis (HD 137909)

Oct 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...224..101w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 224, no. 1-2, Oct. 1989, p. 101-107.

Astronomy and Astrophysics

Astrophysics

10

A Stars, Astronomical Photometry, Peculiar Stars, Stellar Evolution, Stellar Oscillations, Astronomical Spectroscopy, Radial Velocity, Stellar Magnetic Fields, Stellar Magnitude, Stellar Spectra, Temporal Resolution

Scientific paper

Simultaneous spectroscopic and photometric observations of Gamma Equulei are discussed. Upper limits are given for possible light and radial velocity variations of 0.7 mmag in Stromgren v and 33 to 100 m/s, respectively, depending on the chosen night and reduction method. In addition, photometric data with high time resolution is presented for Beta CrB and an upper limit for light variations in the Johnson B filter of 0.3 mmag is determined.

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