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Mesures d'etoiles doubles faites a Nice, etoiles doubles nouvelles (24eme serie) decouvertes a Nice.
Table 1 gives 1182 measurements of 682 binaries observed with the 74 and50 cm refractors. Table 2 lists 26 new binaries discovered with the 50cm refractor.
| UBVRI photometry of G, K, M HIPPARCOS stars. II
As indicated by Grenon (1989), the data of the present series of reportson the UBVRI photometry of late-type stars in the Hipparcos InputCatalog are to be employed in computations of Hipparcos observing time,as well as in evaluating the observability of faint stars by thesatellite. Attention is here given to late type stars in the V = 8-12range, including distant red giants in the Galactic plane (Hipparcosproposal 189), as well as high proper motion stars included in the G,LTT, LP, and MCC catalogs.
| Measurements of double stars at Nice with 74-cm and 50-cm refractors
A total of 717 measures of 287 binaries made at the 74-cm and 50-cmrefractors are presented. These are mostly very close binariesdiscovered recently, for which a rapid orbital motion is evident forabout 30 percent.
| New double stars (14th series) discovered at Nice.
Abstract image available at:http://adsabs.harvard.edu/abs/1977A&AS...29..249C
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Osservazione e dati astrometrici
| Costellazione: | Leone |
| Ascensione retta: | 09h33m45.13s |
| Declinazione: | +32°32'02.9" |
| Magnitudine apparente: | 9.76 |
| Moto proprio RA: | -76.8 |
| Moto proprio Dec: | -1.1 |
| B-T magnitude: | 10.867 |
| V-T magnitude: | 9.852 |
Cataloghi e designazioni:
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