Astronomy and Astrophysics – Astrophysics
Scientific paper
Nov 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983apjs...53..553p&link_type=abstract
Astrophysical Journal Supplement Series (ISSN 0067-0049), vol. 53, Nov. 1983, p. 553-571.
Astronomy and Astrophysics
Astrophysics
37
Binary Stars, Hot Stars, Late Stars, Radial Velocity, Stellar Spectra, Supergiant Stars, Cross Correlation, Data Reduction, F Stars, Giant Stars, K Stars, Spectral Energy Distribution, Ultraviolet Spectra
Scientific paper
Radial velocities for 72 stars, most of them known or suspected binaries with F - K giant-supergiant primaries, are derived from Reticon spectra in the region 6005-6235 A at a scale of 7 km/s per diode. Cross-correlation of the spectra normally produces results accurate to better than 1.0 km/s. Eight new radial velocity variables are found (HR 2786, R Pup, HR 3291, HR 4451, HD 114520, HR 5667, HR 7014, and Nu1 Sgr). Improved orbits are determined for 15 known spectroscopic binaries, and provisional orbits are obtained for seven new spectroscopic binaries.
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