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HD 166550


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SANTIAGO 91, a right ascension catalogue of 3387 stars (equinox J2000).
The positions in right ascension of 3387 stars belonging to the Santiago67 Catalogue, observed with the Repsold Meridian Circle at Cerro Calan,National Astronomical Observatory, during the period 1989 to 1994, aregiven. The average mean square error of a position, for the wholeCatalogue, is +/-0.009 s. The mean epoch of the catalogue is 1991.84.

Walraven photometry of nearby southern OB associations
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Observation and Astrometry data

Constellation:いて座
Right ascension:18h12m26.67s
Declination:-30°00'50.0"
Apparent magnitude:8.162
Distance:134.771 parsecs
Proper motion RA:2.5
Proper motion Dec:7.2
B-T magnitude:9.331
V-T magnitude:8.259

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 166550
TYCHO-2 2000TYC 7392-1602-1
USNO-A2.0USNO-A2 0525-33172834
HIPHIP 89220

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