70 Aquilae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 20h 36m 43.63319s |
| Declination | −02° 32′ 59.8367″ |
| Apparent magnitude (V) | 4.903 |
| Characteristics | |
| Evolutionary stage | red giant branch |
| Spectral type | K4+ III Ba1, K3 III, or K5 II |
| B−V color index | 1.606±0.041 |
| Astrometry | |
| Radial velocity (Rv) | −9.4±0.4 km/s |
| Proper motion (μ) | RA: +10.862 mas/yr Dec.: –15.416 mas/yr |
| Parallax (π) | 4.0825±0.1052 mas |
| Distance | 800 ± 20 ly (245 ± 6 pc) |
| Absolute magnitude (MV) | −3.05 |
| Details | |
| Mass | 6.2±0.6 M☉ |
| Radius | 96 R☉ |
| Luminosity (bolometric) | 4,072 L☉ |
| Surface gravity (log g) | 1.9 cgs |
| Temperature | 3,900 K |
| Metallicity [Fe/H] | −0.294±0.093 dex |
| Rotational velocity (v sin i) | 1.9 km/s |
| Age | 63.1±17.8 Myr |
| Other designations | |
| 70 Aql, BD−03°496, FK5 3648, HD 196321, HIP 101692, HR 7873, SAO 144624 | |
| Database references | |
| SIMBAD | data |
70 Aquilae, abbreviated 70 Aql, is a single orange-hued star in the equatorial constellation of Aquila. 70 Aquilae is its Flamsteed designation. It is visible to the naked eye with an apparent visual magnitude of 4.90. The distance to 70 Aquilae, as determined from its annual parallax shift of 4.1 mas, is around 800 light years. The star is moving closer to the Earth with a heliocentric radial velocity of −9 km/s.