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Two-colour photometry for 9473 components of close Hipparcos double and multiple stars Using observations obtained with the Tycho instrument of the ESAHipparcos satellite, a two-colour photometry is produced for componentsof more than 7 000 Hipparcos double and multiple stars with angularseparations 0.1 to 2.5 arcsec. We publish 9473 components of 5173systems with separations above 0.3 arcsec. The majority of them did nothave Tycho photometry in the Hipparcos catalogue. The magnitudes arederived in the Tycho B_T and V_T passbands, similar to the Johnsonpassbands. Photometrically resolved components of the binaries withstatistically significant trigonometric parallaxes can be put on an HRdiagram, the majority of them for the first time. Based on observationsmade with the ESA Hipparcos satellite.
Mesures d'etoiles doubles faites a Nice (5eme serie. Double star measurements made at Nice We present the last observations from two lists: General program and MLRpairs, made with the 50~cm refractor of Nice Observatory.
Stars of Early Types in the Region of Stellar Association OB1 Observed with the Glazar Telescope Not Available
Measurements of binary stars performed at Nice (Second series) Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1984A&AS...57..467M&db_key=AST

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Observation and Astrometry data

Constellation:	Camelopardalis
Right ascension:	04^h45^m19.11^s
Declination:	+63Â°40'02.3"
Apparent magnitude:	9.239
Proper motion RA:	-0.1
Proper motion Dec:	0.2
B-T magnitude:	9.449
V-T magnitude:	9.257

Catalogs and designations:

Proper Names	(Edit)
HD 1989	HD 29741
TYCHO-2 2000	TYC 4082-1618-1
USNO-A2.0	USNO-A2 1500-03878752
HIP	HIP 22098

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