Contribution to the study of composite spectra. IV - Orbital elements of the spectroscopic binaries AM HD 41724-5 and HD 177390-1

Details Contribution to the study of composite spectra. IV - Orbital elements of the spectroscopic binaries AM HD 41724-5 and HD 177390-1 Contribution to the study of composite spectra. IV - Orbital elements of the spectroscopic binaries AM HD 41724-5 and HD 177390-1

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26as...75..305c&link_type=abstract

Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 75, no. 2, Oct. 1988, p. 305-310. In French.

Astronomy and Astrophysics

Astrophysics

8

A Stars, Binary Stars, Stellar Orbits, Stellar Spectra, Balmer Series, Metallicity, Orbital Elements

Scientific paper

Observations of HD 41724-5 and HD 177390-1 made at the Observatoire de Haute-Provence show them to be detached Am spectroscopic binaries. Results for HD 41724-5 reveal a period of 2.887679 days and suggest that the secondary could be either an F or early G dwarf star. For HD 177390-1, a period of 8.00802 days is found, and the MK spectral types A2, A6, and F4 are obtained from the CaII K line, Balmer lines, and metallic lines, respectively.

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