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HD 42090


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The proper motions of Struve double stars
The proper motions of the components of 103 Struve double stars fromMuller's list of neglected stars and of 15 other systems were measuredrelative to sets of reference stars, for the primary purpose ofdistinguishing physical from optical pairs. A by-product of thisinvestigation is a list of measured position angles and distances ofthese objects, at two epochs each.

Three-color photometry of the components in 228 wide double and multiple systems.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1963AJ.....68..483E&db_key=AST

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Observation and Astrometry data

Constellation:オリオン座
Right ascension:06h09m07.83s
Declination:+07°03'19.5"
Apparent magnitude:8.492
Distance:438.596 parsecs
Proper motion RA:-1.6
Proper motion Dec:-3.8
B-T magnitude:8.619
V-T magnitude:8.503

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 42090
TYCHO-2 2000TYC 143-29-1
USNO-A2.0USNO-A2 0900-02383366
HIPHIP 29167
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