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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.
| Lunar Occultation Summary. I Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974ApJS...28..405E&db_key=AST
| Observations of occultations of stars by the moon Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974A&AS...13..395H&db_key=AST
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Osservazione e dati astrometrici
Costellazione: | Gemelli |
Ascensione retta: | 07h09m17.51s |
Declinazione: | +23°38'23.0" |
Magnitudine apparente: | 8.423 |
Moto proprio RA: | 9.1 |
Moto proprio Dec: | -11.8 |
B-T magnitude: | 8.96 |
V-T magnitude: | 8.468 |
Cataloghi e designazioni:
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