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HD 222219


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Speckle Observations of Binary Stars with the WIYN Telescope. III. A Partial Survey of A, F, and G Dwarfs
Two hundred thirty nearby main-sequence stars with spectral types in therange of A to G have been observed by way of speckle interferometryusing the WIYN 3.5 m telescope at Kitt Peak, Arizona. The stars had noprevious mention of duplicity in the literature. Of those observed, 14showed clear evidence of a companion, and 63 were classified assuspected nonsingle based on a power spectrum analysis. The remainingstars discussed show no evidence of duplicity to the limit of thedetection system in high-quality observations. The WIYN Observatory is ajoint facility of the University of Wisconsin-Madison, IndianaUniversity, Yale University, and the National Optical AstronomyObservatory.

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Osservazione e dati astrometrici

Costellazione:Andromeda
Ascensione retta:23h38m34.73s
Declinazione:+40°58'07.8"
Magnitudine apparente:8.38
Distanza:200.401 parsec
Moto proprio RA:19.3
Moto proprio Dec:-20.3
B-T magnitude:8.977
V-T magnitude:8.43

Cataloghi e designazioni:
Nomi esatti
HD 1989HD 222219
TYCHO-2 2000TYC 3235-757-1
USNO-A2.0USNO-A2 1275-18535404
HIPHIP 116668

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