51 Aquilae
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | Template:RA[1] |
| Declination | Template:DEC[1] |
| Apparent magnitude (V) | 5.39[2] |
| Characteristics | |
| Spectral type | F5 V Fe-1 CH-0.7[3] |
| B−V Template:Engvar | +0.38[2] |
| Astrometry | |
| Radial velocity (Rv) | +6[4] km/s |
| Proper motion (μ) | RA: -33.35[1] mas/yr Dec.: +32.88[1] mas/yr |
| Parallax (π) | 35.88±0.35 mas[1] |
| Distance | Template:Rnd ± Template:Rnd ly (Template:Rnd ± Template:Rnd pc) |
| Absolute magnitude (MV) | 3.16[5] |
| Details | |
| Surface gravity (log g) | 4.16[3] cgs |
| Temperature | 6,812[3] K |
| Metallicity [Fe/H] | −0.18[3] dex |
| Rotational velocity (v sin i) | 77.5[6] km/s |
| Age | 1.6[5] Gyr |
| Metallicity [Fe/H] | {{{metal_fe2}}} dex |
| Other designations | |
| BD−11°5149, FK5 744, HD 187532, HIP 97650, HR 7553, SAO 163036[7] | |
| Database references | |
| SIMBAD | data |
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51 Aquilae (abbreviated 51 Aql) is a star in the equatorial constellation of Aquila. 51 Aquilae is its Flamsteed designation. It has an apparent visual magnitude of 5.39,[2] which means it is faintly visible to the naked eye. Based upon an annual parallax shift of 35.88 mas,[1] the distance to this star is around Script error: No such module "convert"..
This is an F-type main sequence star with a stellar classification of F5 V Fe-1 CH-0.7;[3] where the 'Fe-1' and 'CH-0.7' represent abundance deficiencies of iron and the molecule CN, respectively. It is about 1.6[5] billion years old and is spinning relatively quickly with a projected rotational velocity of 77.5 km/s.[6] The outer atmosphere has an effective temperature of 6,812 K,[3] giving it the yellow-white hue characteristic of an F-type star.[8]
References
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