Metal-poor stars speckle interferometry (Rastegaev+, 2007)

Details Metal-poor stars speckle interferometry (Rastegaev+, 2007) Metal-poor stars speckle interferometry (Rastegaev+, 2007)

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ycatp033006201r&link_type=abstract

VizieR On-line Data Catalog: J/other/AstBu/62.235. Originally published in: 2007AstBu..62..235R

Other

Stars: Nearby, Stars: Double And Multiple

Scientific paper

We report the results of speckle-interferometric observations of 109 high proper-motion metal-poor stars made with the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences. We resolve eight objects G102-20, G191-55, BD+19 1185A, G89-14, G87-45, G87-47, G111-38, and G114-25 into individual components and we are the first to astrometrically resolve seven of these stars. New resolved systems included two triple (G111-38, G87-47) and one quadruple (G89-14) star. The ratio of single:binary:triple:quadruple systems among the stars of our sample is equal to 71:28:6:1.
(2 data files).

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