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HD 180214


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Visual multiples. VII - MK classifications
Classifications are given for 865 components of visual multiples; theyshow no systematic differences from the MK system, and the random errorsare one subclass in type and two-thirds of a luminosity class. It isfound that at least 1% of the F-type IV and V stars are weak-lined, 32%of the A4-F1 IV and V stars are Am, and 5% of the A0-A3 IV and V starsare early-type Am. Attention is called to the large fraction (55%) ofthe A3-A9 III-V stars that are of luminosity classes III or IV, unlikethe percentage (16%) at neighboring types.

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Observation and Astrometry data

Constellation:Lyre
Right ascension:19h14m13.67s
Declination:+34°12'54.4"
Apparent magnitude:7.675
Distance:543.478 parsecs
Proper motion RA:2.2
Proper motion Dec:-4.9
B-T magnitude:7.593
V-T magnitude:7.669

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 180214
TYCHO-2 2000TYC 2661-233-1
USNO-A2.0USNO-A2 1200-10872672
HIPHIP 94519

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