19 Aquilae
From Infogalactic: the planetary knowledge core
| Observation data Epoch J2000.0 Equinox |
|
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 08m 59.91138s[1] |
| Declination | +06° 04′ 23.5545″[1] |
| Apparent magnitude (V) | 5.227[2] |
| Characteristics | |
| Spectral type | F0 III-IV[3] |
| Apparent magnitude (U) | 5.59 ± 0.010[4] |
| Apparent magnitude (B) | 5.57 ± 0.007[4] |
| Apparent magnitude (V) | 5.23 ± 0.009[4] |
| U−B color index | +0.020[2] |
| B−V color index | +0.345[2] |
| Astrometry | |
| Radial velocity (Rv) | -46.7[5] km/s |
| Proper motion (μ) | RA: -10.40 ± 0.54[1] mas/yr Dec.: -77.22 ± 0.39[1] mas/yr |
| Parallax (π) | 21.84 ± 0.48[1] mas |
| Distance | 149 ± 3 ly (46 ± 1 pc) |
| Absolute magnitude (MV) | 1.94[6] |
| Details | |
| Surface gravity (log g) | 4.13[3] cgs |
| Temperature | 6,954[3] K |
| Metallicity [Fe/H] | +0.03[3] dex |
| Rotational velocity (v sin i) | 57.0[7] km/s |
| Age | 1.3[6] years |
| Other designations | |
19 Aquilae (abbreviated 19 Aql) is a star in the equatorial constellation of Aquila. 19 Aquilae is the Flamsteed designation. It has an apparent visual magnitude of 5.23[2] and is about 149 light-years (46 parsecs) distant from the Earth.[1]
References
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