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HD 114399


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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.

Binary-star measurements carried out at PIC DU Midi and at Nice
Data on 219 measurements of 103 close binaries observed with the 2mtelescope at Pic du Midi are presented. Also presented are data on 230measurements of 126 binaries observed with the 74 cm refractor of theNice Observatory.

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:Cani da Caccia
Ascensione retta:13h09m40.70s
Declinazione:+44°18'12.0"
Magnitudine apparente:9.239
Moto proprio RA:-39.4
Moto proprio Dec:-0.4
B-T magnitude:9.806
V-T magnitude:9.286

Cataloghi e designazioni:
Nomi esatti
HD 1989HD 114399
TYCHO-2 2000TYC 3024-1772-1
USNO-A2.0USNO-A2 1275-08203086
HIPHIP 64215

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