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HD 13313


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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, etoiles doubles nouvelles (24eme serie) decouvertes a Nice.
Table 1 gives 1182 measurements of 682 binaries observed with the 74 and50 cm refractors. Table 2 lists 26 new binaries discovered with the 50cm refractor.

Etoiles doubles nouvelles (6^{e} série). Découvertes à Nice avec la lunette de 50 CM
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1972A&AS....5..167C&db_key=AST

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관측 및 측정 데이터

별자리:삼각형자리
적경:02h10m46.61s
적위:+30°04'41.8"
가시등급:8.477
거리:182.149 파섹
적경상의 고유운동:-18.6
적위상의 고유운동:-13.8
B-T magnitude:8.9
V-T magnitude:8.512

천체목록:
일반명   (Edit)
HD 1989HD 13313
TYCHO-2 2000TYC 2309-623-1
USNO-A2.0USNO-A2 1200-00920736
HIPHIP 10169

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