Correlations between line-profile and photometric variations in the B 2 IV /e/ star HD 45677

Details Correlations between line-profile and photometric variations in the B 2 IV /e/ star HD 45677 Correlations between line-profile and photometric variations in the B 2 IV /e/ star HD 45677

Oct 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....90..116s&link_type=abstract

Astronomy and Astrophysics, vol. 90, no. 1-2, Oct. 1980, p. 116-122.

Astronomy and Astrophysics

Astrophysics

7

B Stars, Emission Spectra, Line Spectra, Stellar Spectra, Stellar Spectrophotometry, Backscattering, Correlation, Spectral Line Width, Ubv Spectra

Scientific paper

The results deduced from two sets of homogeneous simultaneous photometric and spectrographic observations of HD 45677 in 1977 (6 nights of UBV data; 38 spectra) and in 1979 (7 nights of uvby data; 30 spectra) in a search for correlated variations are described. It appears that photometric data and some spectral features are well correlated (or anticorrelated) at certain epochs, but not at all at others. Because of these conflicting results, no explanation of the behaviour of the extended complex atmosphere surrounding this peculiar object can be proposed.

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