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HD 137512


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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.

ICCD Speckle Observations of Binary Stars. XIII. Measurements During 1989- 1994 From the Cerro Tololo 4 M Telescope
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1996AJ....111..936H&db_key=AST

UVBY observations of A, F, G and K field stars
Photoelectric data in the uvby system have been obtained for about 800southern stars of the Hipparcos Input Catalog (Grenon, 1982, 1985). Mostof the stars are F and G main sequence and fall in the magnitude range V= 8-11.

Mesures d'etoiles doubles faites AU 38cm de l'Observatoire de Paris.
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Measures of 313 doubles stars.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1963AJ.....68..114W&db_key=AST

Micrometer measures of double stars.
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Dades d'Observació i Astrometria

Constel·lació:Libra
Ascensió Recta:15h26m38.35s
Declinació:-05°39'20.2"
Magnitud Aparent:8.6
Distancia:108.932 parsecs
Moviment propi RA:-63.9
Moviment propi Dec:29.4
B-T magnitude:9.195
V-T magnitude:8.65

Catàlegs i designacions:
Noms Propis   (Edit)
HD 1989HD 137512
TYCHO-2 2000TYC 5015-762-1
USNO-A2.0USNO-A2 0825-08745001
HIPHIP 75593
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