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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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Observation and Astrometry data
| Constellation: | Δίδυμοι |
| Right ascension: | 07h17m57.36s |
| Declination: | +28°29'18.7" |
| Apparent magnitude: | 8.394 |
| Distance: | 130.719 parsecs |
| Proper motion RA: | -49.2 |
| Proper motion Dec: | -51 |
| B-T magnitude: | 8.981 |
| V-T magnitude: | 8.443 |
Catalogs and designations:
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