Speckle Observations of Binary Stars with the WIYN Telescope. III. A Partial Survey of A, F, and G Dwarfs | Zendy

Elliott P. Horch | Zendy; Sarah E. Robinson | Zendy; Zoran Ninkov | Zendy; W. F. van Altena | Zendy; R. D. Meyer | Zendy; S. E. Urban | Zendy; Brian D. Mason | Zendy

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Speckle Observations of Binary Stars with the WIYN Telescope. III. A Partial Survey of A, F, and G Dwarfs

Author(s) -

Elliott P. Horch,

Sarah E. Robinson,

Zoran Ninkov,

W. F. van Altena,

R. D. Meyer,

S. E. Urban,

Brian D. Mason

Publication year - 2002

Publication title -

the astronomical journal

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.61

H-Index - 271

eISSN - 1538-3881

pISSN - 0004-6256

DOI - 10.1086/342543

Subject(s) - physics , stars , telescope , speckle imaging , astrophysics , astronomy , speckle pattern , binary star , main sequence , astrometry , binary number , stellar classification , interferometry , optics , arithmetic , mathematics

Two hundred thirty nearby main-sequence stars with spectral types in the range of A to G have been observed by way of speckle interferometry using the WIYN 3.5 m telescope at Kitt Peak, Arizona. The stars had no previous mention of duplicity in the literature. Of those observed, 14 showed clear evidence of a companion, and 63 were classified as suspected nonsingle based on a power spectrum analysis. The remaining stars discussed show no evidence of duplicity to the limit of the detection system in high-quality observations.

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