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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.
Radial velocity measurements. II - Ground-based observations of the program stars for the HIPPARCOS satellite New radial velocities for 446 stars of magnitude 9.0 or brighter in 1616-sq-deg fields of the Northern Hemisphere are determined by automaticPDS measurement of 80-A/mm-dispersion spectra obtained at theObservatoire de Haute Provence using a 17-cm-diameter objective prism.The fields were selected to provide data for the input catalog of theESA Hipparcos astrometric satellite. The measurement techniques andprecision are discussed, and the results are presented in extensivetables and graphs.
Mesures d'étoiles doubles à Meudon (2^éme série) Not Available
Mikrometermessungen von Doppelsternen. VI. Not Available
Mesures d'etoiles doubles faites AU 38cm de l'Observatoire de Paris. Not Available
Mesures d'étoiles doubles faites au réfracteur de 38 cm de l'Observatoire de Nice Not Available
Mesures d'étoiles doubles faites à l'Observatoire de Paris Not Available

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Observation and Astrometry data

Constellation:	Cygnus
Right ascension:	19^h33^m08.94^s
Declination:	+32Â°53'38.7"
Apparent magnitude:	8.148
Distance:	316.456 parsecs
Proper motion RA:	2.1
Proper motion Dec:	-3.7
B-T magnitude:	8.169
V-T magnitude:	8.15

Catalogs and designations:

Proper Names	(Edit)
HD 1989	HD 184425
TYCHO-2 2000	TYC 2659-1268-1
USNO-A2.0	USNO-A2 1200-12005181
HIP	HIP 96162

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