Chi Aquilae

Chi Aquilae
Observation data
Epoch J2000      Equinox J2000
Constellation Aquila
Right ascension 19h 42m 34.0s
Declination +11° 49' 36"'
Apparent magnitude (V) 5.28
Characteristics
Spectral type F3V+
U−B color index -0.04
B−V color index 0.57
Astrometry
Radial velocity (Rv) -21.6 km/s
Proper motion (μ) RA: 3.43 mas/yr
Dec.: -10.49 mas/yr
Parallax (π) 4.34 ± 2.0 mas
Distance approx. 800 ly
(approx. 200 pc)
Absolute magnitude (MV) 5.833
Details
Mass 1.7 M
Radius 1.4 R
Luminosity 6 L
Temperature 6,000–7,500 K
Other designations
47 Aquilae, HR 7497, HD 186203, BD+11°3955A, HIP 96957, SAO 105168, GC 27272, ADS 12808, CCDM 19425+1150.
Database references
SIMBAD data
Database references
SIMBAD data
Data sources:
Hipparcos Catalogue,
CCDM (2002),
Bright Star Catalogue (5th rev. ed.)

Chi Aquilae (χ Aql, χ Aquilae) is a double star in the constellation Aquila. It is approximately 750 light-years from Earth.

The more luminous component is a yellow G-type giant with an apparent magnitude of +5.6. It has a white A-type main sequence dwarf companion with an apparent magnitude of +6.8. The two stars are separated by 0.6 arcseconds and their combined apparent brightness is +5.28 magnitudes.

References