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HD 125810


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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.

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Detection and measurement of the Wing-Ford band in the near-infrared spectra of elliptical galaxies
An absorption feature was detected at the location of the Wing-Ford bandnear 9916 A in high-quality CCD spectra of five elliptical galaxiestaken with the Cerro Tololo 4-m RC spectrograph. Measurements revealthat the mean strength is 0.013 mag (1 sigma of the mean) and individualgalaxy strengths have 1 sigma errors of the order 0.002 mag. The (3-4)band of the delta system of TiO with band head at 9986 A was alsodetected, suggesting that the observed Wing-Ford feature is affected bythe (2-3) band of the delta system of TiO at 9899 A which is present inlate giants. Therefore, this feature is not due exclusively to the FeHmolecule strong in late M dwarfs.

Radial velocities of southern stars obtained with the photoelectric scanner CORAVEL. III - 790 late-type bright stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1985A&AS...59...15A&db_key=AST

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Osservazione e dati astrometrici

Costellazione:Lupo
Ascensione retta:14h23m20.30s
Declinazione:-50°46'20.0"
Magnitudine apparente:6.02
Distanza:246.305 parsec
Moto proprio RA:-15.4
Moto proprio Dec:4.9
B-T magnitude:8.05
V-T magnitude:6.269

Cataloghi e designazioni:
Nomi esatti
HD 1989HD 125810
TYCHO-2 2000TYC 8289-1384-1
USNO-A2.0USNO-A2 0375-20910978
BSC 1991HR 5377
HIPHIP 70325
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