Speckle-interferometric observations of stars from the Gliese catalog

Details Speckle-interferometric observations of stars from the Gliese catalog Speckle-interferometric observations of stars from the Gliese catalog

Jun 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991pazh...17..530b&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 17, June 1991, p. 530-532. In Russian. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

6

Binary Stars, Dwarf Stars, Radial Velocity, Speckle Interferometry, Stellar Spectra, Variable Stars, Astronomical Catalogs, Spectral Resolution, Stellar Luminosity, Stellar Orbits

Scientific paper

Speckle-interferometric observations of dwarf stars with variable or suspected variable radial velocities were carried out with the 6-m telescope with the aim of resolving them directly. Of the 21 stars observed, only Gliese 600 = BD + 11 deg 2874 was resolved for the first time. The observations led to the discovery of a new interferometric binary, Gl 600, and showed the lack of resolvable components for a number of nearby dwarfs with variable velocities, which imposes restrictions on the luminosity difference of their satellites.

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