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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: | Orione |
| Ascensione retta: | 06h10m10.36s |
| Declinazione: | +04°43'05.5" |
| Magnitudine apparente: | 8.471 |
| Distanza: | 120.627 parsec |
| Moto proprio RA: | 30.8 |
| Moto proprio Dec: | -6.3 |
| B-T magnitude: | 8.975 |
| V-T magnitude: | 8.513 |
Cataloghi e designazioni:
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