Speckle interferometry of nearby multiples (Balega+, 2007)

Details Speckle interferometry of nearby multiples (Balega+, 2007) Speckle interferometry of nearby multiples (Balega+, 2007)

Oct 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ycatp033006203b&link_type=abstract

VizieR On-line Data Catalog: J/other/AstBu/62.339. Originally published in: 2007AstBu..62..339B

Other

Stars: Double And Multiple

Scientific paper

The results of speckle interferometric observations of 104 binary and 6 triple stars performed at the BTA 6m telescope in 2004 October are presented. Nearby low-mass stars are mostly observed for the program, among which 59 there are new binaries recently discovered by the Hipparcos astrometric satellite. Concurrently with the diffraction-limited position measurements we obtained 154 brightness ratio measurements of binary and multiple star components in different bands of the visible spectrum. New, first-resolved binaries are the symbiotic star CH Cyg with a weak companion at 0.043" separation and the pair of red dwarfs, GJ 913 = HIP 118212. In addition, we derived the orbital parameters for two interferometric systems: the CN-giant pair HD 210211 = HIP 109281 (P=10.7yr) and the G2V-K2V G2V-K2V binary GJ 9830 = HIP 116259 (P=15.7yr).
(2 data files).

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