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HD 73847


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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.

Broad-band photometry of selected southern ultraviolet-bright stars.
Not Available

Radial velocities in three fields along the southern galactic equator
A list of radial velocities for 764 stars is given for three fields inthe Vela-Carina region of the galaxy. They were obtained from GPO-platestaken at La Silla and reduced following Fehrenbach's method.Slit-spectra were collected with the 152 cm-spectrographic telescope atLa Silla, to derive an accurate radial velocity for a sufficient numberof calibration stars: out of the 29 stars, 26 had no formerly publishedvalue. The global motions of 10 to 14 km/s can be considered as normalon the basis of galactic rotation. Some stars, however, show highvelocities, and are therefore marked with one or two asterisks in thetable.

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Сазвежђа:Једра
Ректацензија:08h38m38.25s
Deклинација:-46°46'54.5"
Apparent магнитуда:8.383
Даљина:787.402 parsecs
Proper motion RA:-9.3
Proper motion Dec:11.1
B-T magnitude:8.285
V-T magnitude:8.375

Каталог и designations:
Proper имена   (Edit)
HD 1989HD 73847
TYCHO-2 2000TYC 8151-5214-1
USNO-A2.0USNO-A2 0375-06186840
HIPHIP 42390

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