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HD 172805


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Radial velocity measurements. IV - Ground-based accompaniment to the HIPPARCOS observation program
The paper presents 396 radial velocities of stars distributed in 19fields of 4 x 4 degrees. The study employs the Fehrenbach objectiveprism method and the same measuring technique used in a previous paper(Fehrenbach et al., 1987).

Untersuchung der offenen Sternhaufen IC 4665, NGC 6633, IC 4756
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Observation and Astrometry data

Constellation:Όφις
Right ascension:18h42m02.28s
Declination:+05°56'41.0"
Apparent magnitude:8.699
Proper motion RA:-15.7
Proper motion Dec:-38.7
B-T magnitude:8.887
V-T magnitude:8.715

Catalogs and designations:
Proper Names   (Edit)
HD 1989HD 172805
TYCHO-2 2000TYC 459-1300-1
USNO-A2.0USNO-A2 0900-13471166
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