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HD 174238


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SAO stars with infrared excess in the IRAS Point Source Catalog
We have undertaken a search for SAO stars with infrared excess in theIRAS Point Source Catalog. In contrast to previous searches, the entireIRAS (12)-(25)-(60) color-color diagram was used. This selection yieldeda sample of 462 stars, of which a significant number are stars withcircumstellar material. The stars selected can be identified aspre-main-sequence stars, Be stars, protoplanetary systems, post-AGBstars, etc. A number of objects are (visual) binary stars.Characteristic temperatures and IR excesses are calculated and theirrelations to spectral type are investigated.

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Observation and Astrometry data

Constellation:Herkules
Right ascension:18h49m07.38s
Declination:+13°12'54.2"
Apparent magnitude:8.801
Proper motion RA:0.7
Proper motion Dec:-6.5
B-T magnitude:9.134
V-T magnitude:8.829

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 174238
TYCHO-2 2000TYC 1038-739-1
USNO-A2.0USNO-A2 0975-13212195

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