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HD 24661


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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.

An IRAS survey of main sequence B, A, and F stars
Results are presented of an IRAS survey of main-sequence B, A, and Fstars, based on three primary sources as a data base: theBernacca-Perinotto Catalog of Stellar Rotational Velocities, theMichigan Spectral Catalog, and the Bright Star Catalog. The stars in thedata base are divided into four categories: (1) main-sequence singlestars, (2) main-sequence close binary stars, (3) spectrally peculiarstars such as Am, Ap, Fm, and Fp stars, and (4) subgiants. It is foundthat about 20 percent of main-sequence single stars show an IR colorexcess in at least one of the 12, 25, or 60 micron IRAS bands, while theother three groups do not show any statistically significant percentageof IR color excess stars. It is also found that stars with large (v sini) values are more likely to show color excesses at IRAS wavelengthsthan stars with small (v sin i) values.

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Observation and Astrometry data

Constellation:Eridanus
Right ascension:03h54m17.34s
Declination:-27°40'07.8"
Apparent magnitude:6.997
Distance:144.3 parsecs
Proper motion RA:39.2
Proper motion Dec:35.5
B-T magnitude:7.23
V-T magnitude:7.017

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 24661
TYCHO-2 2000TYC 6454-291-1
USNO-A2.0USNO-A2 0600-01550293
HIPHIP 18254

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