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HD 214423

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CCD photometry and astrometry of visual double and multiple stars of the HIPPARCOS Catalogue. II. CCD photometry and differential astrometry of 288 southern ``Intermediate'' systems We present photometric and astrometric data of about 280 visual doublestars of the ``intermediate'' class, i.e. with angular separationsmainly in the range 2arcsec < rho < 12arcsec . The observationshave been obtained in 1991-92 with a CCD camera attached to the 91 cmDutch telescope at ESO La Silla, Chile. Differential magnitudes of thedouble star components as well as magnitudes and colour indices of theindividual components have been determined in the Cousins V and Ipassbands with an internal error of about 0.005 mag and an externalaccuracy of less than 0.03 mag. In addition, angular separations havebeen secured to an internal accuracy of 0.004arcsec and position anglesto about 0.05degr. Tables 1 to 4 are only available in electronic format the CDS via ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html. Based on observationscollected at the European Southern Observatory, La Silla, Chile.
A second list of wide visual binaries Not Available
A second list of wide visual binaries Not Available

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Osservazione e dati astrometrici

Costellazione:	Pegaso
Ascensione retta:	22^h37^m52.89^s
Declinazione:	+05Â°54'25.8"
Magnitudine apparente:	9.607
Moto proprio RA:	-4.6
Moto proprio Dec:	7.1
B-T magnitude:	10.206
V-T magnitude:	9.657

Cataloghi e designazioni:

Nomi esatti	(Edit)
HD 1989	HD 214423
TYCHO-2 2000	TYC 573-135-1
USNO-A2.0	USNO-A2 0900-20183758
HIP	HIP 111724

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