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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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观测天体数据

星座:獵戶座
右阿森松:04h53m04.56s
赤纬:-01°15'52.0"
视星:8.065
距离:170.94 天文距离
右阿森松适当运动:12
赤纬适当运动:-16.8
B-T magnitude:8.182
V-T magnitude:8.075

目录:
适当名称
HD 1989HD 31124
TYCHO-2 2000TYC 4737-1398-1
USNO-A2.0USNO-A2 0825-01199791
HIPHIP 22714
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