Fast spectroscopic variability in AP stars. I - HD 11503

Details Fast spectroscopic variability in AP stars. I - HD 11503 Fast spectroscopic variability in AP stars. I - HD 11503

Oct 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991rmxaa..22..249l&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica (ISSN 0185-1101), vol. 22, Oct. 1991, p. 249-254.

Physics

1

A Stars, Line Spectra, Peculiar Stars, Periodic Variations, Stellar Spectra, Astronomical Spectroscopy, Stellar Physics

Scientific paper

Recent spectroscopic observations obtained consecutively in a time greater than the proposed photometric short period of the Ap star HD 11503 indicate that the intensities of some lines vary in the same time span as the photometric period. In a similar study, it is found that HD 11502, which, along with HD 11503, constitutes the binary system ADS 1507 (Gamma Ari), does not belong to the Ap class as was previously suggested.

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