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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.
| Observations of double stars and new pairs. XIV
Results of a continuing survey of visual double stars are presented,including 4880 measurements made from February 1987 to November 1989.The positions in WDS format and Durchmusterung numbers are given for 194pairs first reported here. Micrometer measurements of 1142 doubles madewith the Swarthmore 61 cm refractor are presented. Magnitudes areestimated for some of the objects. Plate measurements, plateorientations, position angles, number of nights, and measured exposuresare given. Visual observations of 342 pairs obtained in May 1989 atCerro Tololo, mostly with the 1.0 m reflector, are reported.
| New binary stars /17th series/ discovered at Nice
The discovery of 150 new binary stars by means of a 50 cm telescope isreported. The stars observed are listed, along with the magnitude, rightascension, type, separation, annual path, and probable period.
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Osservazione e dati astrometrici
| Costellazione: | Leone Minore |
| Ascensione retta: | 10h43m02.80s |
| Declinazione: | +38°23'44.1" |
| Magnitudine apparente: | 9.815 |
| Moto proprio RA: | -29.5 |
| Moto proprio Dec: | -20.6 |
| B-T magnitude: | 10.619 |
| V-T magnitude: | 9.882 |
Cataloghi e designazioni:
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