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HD 180685
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Photoelectric minima of 30 eclipsing binary systems
Not Available
Radial-velocity measurements. V - Ground support of the HIPPARCOS satellite observation program
The paper presents data on 1070 radial velocity measurements of starsdistributed in 39 fields measuring 4 deg x 4 deg. The PPO series ofFehrenbach et al. (1987) and Duflot et al. (1990) is continued using theFehrenbach objective prism method.
Photometric study of the V889 AQL eclipsing binary system with relativistic orbital rotation
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A photometric research on the eclipsing binary V889 AQL
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Member of following groups:
Henry Draper Catalogue
[See all groups]
Observation and Astrometry data
Constellation:
Aquila
Right ascension:
19
h
16
m
58.13
s
Declination:
+15°59'30.4"
Apparent magnitude:
8.855
Proper motion RA:
0.6
Proper motion Dec:
-11.8
B-T magnitude:
8.934
V-T magnitude:
8.862
Catalogs and designations:
Proper Names
(
Edit
)
HD 1989
HD 180685
TYCHO-2 2000
TYC 1599-2780-1
USNO-A2.0
USNO-A2 1050-13543224
→ Request more catalogs and designations from VizieR