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HD 41057 (Maria Ivaschenko)


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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. XVII. Measurements During 1993-1995 From the Mount Wilson 2.5-M Telescope.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1997AJ....114.1639H&db_key=AST

Micrometric Measures of Double Stars
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1974ApJS...28..413V&db_key=AST

Mesures d'etoiles doubles faites AU refracteur de 38cm de l'Observatoire de Nice.
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Observation and Astrometry data

Constellation:Orion
Right ascension:06h03m17.67s
Declination:+11°08'09.8"
Apparent magnitude:8.216
Distance:1818.182 parsecs
Proper motion RA:-1.5
Proper motion Dec:0.8
B-T magnitude:8.206
V-T magnitude:8.216

Catalogs and designations:
Proper NamesMaria Ivaschenko
HD 1989HD 41057
TYCHO-2 2000TYC 721-267-1
USNO-A2.0USNO-A2 0975-02474205
HIPHIP 28676
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