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HD 31124


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VRI photometry of wide double stars with A- type primaries.
We are presenting VRI photometry of 93 wide visual double stars havinglate B- or A- type primaries, taken from the Annex of Double andMultiple Stars of the HIPPARCOS Input Catalogue. Spectral types havebeen estimated for most of the primaries and for the majority of thesecondaries. 40% of them probably have common origin components, forwhich we calculated photometric parallaxes and some orbital valuesestimates.

Catalog of Indidual Radial Velocities, 0h-12h, Measured by Astronomers of the Mount Wilson Observatory
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1970ApJS...19..387A&db_key=AST

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Observation and Astrometry data

Constellation:Orion
Right ascension:04h53m04.56s
Declination:-01°15'52.0"
Apparent magnitude:8.065
Distance:170.94 parsecs
Proper motion RA:12
Proper motion Dec:-16.8
B-T magnitude:8.182
V-T magnitude:8.075

Catalogs and designations:
Proper Names
HD 1989HD 31124
TYCHO-2 2000TYC 4737-1398-1
USNO-A2.0USNO-A2 0825-01199791
HIPHIP 22714
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