Chi Aquilae
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| 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 | |
| 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.
[edit] References
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