68 Aquilae

68 Aquilae

68 Aquilae
Observation data Epoch J2000      Equinox J2000
Constellation	Aquila
Right ascension	20h 28m 24.9053s
Declination	-03° 21′ 28.058″
Apparent magnitude (V)	6.121
Characteristics
Spectral type	B9V
U−B color index	-0.18
B−V color index	-0.06
Variable type	Semiregular Variable star
Astrometry
Radial velocity (Rv)	-9 km/s
Proper motion (μ)	RA: 27.29 mas/yr Dec.: -21.22 mas/yr
Parallax (π)	5.85 ± 1.06 mas
Distance	approx. 600 ly (approx. 170 pc)
Absolute magnitude (MV)	6.077
Details
Mass	18 M☉
Radius	7 R☉
Luminosity	20,000 L☉
Temperature	10,000–30,000 K
Metallicity	?
Rotation	?
Age	? years
Orbit
Companion	68 Aquilae B
Semimajor axis (a)	9,8"
Inclination (i)	176°
Other designations
GCRV 71054, HR 7821, TYC 5167-2594-1, BD-03° 4906, IDS 20232-0341 A, UBV M 24860, CCDM J20284-0321A, GSC 05167-02594, 2MASS J20282490-0321281, UBV 17746, CSI-03 4906 3, HD 194939, PPM 204090, uvby98 100194939 AB, CSI-03 4906 1, HIC 100977, SAO 144468, YZ 93 7085, GC 28472, HIP 100977.
Database references
SIMBAD	data
Database references
SIMBAD	data
Data sources:
Hipparcos Catalogue, CCDM (2002), Bright Star Catalogue (5th rev. ed.)

68 Aquilae is a star in the constellation Aquila. Its apparent magnitude is 6.12.

References

• HR 7821
• Image 68 Aquilae

Components

NAME	Right ascension	Declination	Apparent magnitude (V)	Spectral type	Database references
68 Aquilae B (BD-03 4906B)	20h 28m 24.7s	-03° 21' 34	13.7		Simbad