Chi Aquilae

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

v · d · eStars of Aquila
Bayer
α (Altair) • β (Alshain) • γ (Tarazed) • δ • ε • ζ (Deneb el Okab) • η • θ (Tseen Foo) • ι (Al Thalimain) • κ • λ • μ • ν • ξ • ο • π • ρ (until 1992) • σ • τ • υ • φ • χ • ψ • ω¹ • ω² • b • c • d • e • f • g • h • i • l • A
Flamsteed
4 • 5 • 7 • 8 • 10 • 11 • 12 (i) • 13 (ε) • 14 (g) • 15 (h) • 16 (λ) • 17 (ζ, Deneb el Okab) • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 (ω¹) • 26 (f) • 27 (d) • 28 (A) • 29 (ω²) • 30 (δ) • 31 (b) • 32 (ν) • 35 (c) • 36 (e) • 37 • 38 (μ) • 39 (κ) • 41 (ι, Al Thalimain) • 42 • 44 (σ) • 45 • 46 • 47 (χ) • 48 (ψ) • 49 (υ) • 50 (γ, Tarazed) • 51 • 52 (π) • 53 (α, Altair) • 54 (ο) • 55 (η) • 56 • 57 • 58 • 59 (ξ) • 60 (β, Alshain) • 61 (φ) • 62 • 63 (τ) • 64 • 65 (θ, Tseen Foo) • 66 • 67 (ρ) (till 1992) • 68 • 69 • 70 • 71 (l) • 14 Sge • 62 Ser
List
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