V450 Aquilae
Star in the constellation Aquila
From Wikipedia, the free encyclopedia
V450 Aquilae is semi-regular pulsating star in the constellation Aquila. Located around 660 light-years distant, it shines with a luminosity approximately 2,172 times that of the Sun and has a surface temperature of 3,326 K.[5] The star varies in brightness from magnitude from 6.14 to 6.86, so when it is at its brightest, it will be faintly visible to the naked eye.
| Observation data Epoch J2000 Equinox ICRS | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 33m 46.031s[2] |
| Declination | +05° 27′ 56.54″[2] |
| Apparent magnitude (V) | 6.14 to 6.86[3] |
| Characteristics | |
| Evolutionary stage | AGB[4] |
| Spectral type | M5-5.5III |
| B−V color index | 1.471 |
| Variable type | SRb[3] |
| Astrometry | |
| Radial velocity (Rv) | 3 km/s |
| Proper motion (μ) | RA: −5.26 ± 0.53[2] mas/yr Dec.: −24.24 ± 0.32[2] mas/yr |
| Parallax (π) | 4.94±0.47 mas[2] |
| Distance | 660 ± 60 ly (200 ± 20 pc) |
| Absolute magnitude (MV) | −1.87 |
| Details | |
| Luminosity | 2172[5] L☉ |
| Temperature | 3326[5] K |
| Other designations | |
| BD+05°4190, HD 184313, HIP 96204, SAO 124789 ` | |
| Database references | |
| SIMBAD | data |
Cuno Hoffmeister announced that V450 Aquilae was a newly discovered variable star in 1935.[6] Its period is 64.2 days.[3]
