V450 Aquilae
V450 Aquilae is semi-regular pulsating star in the constellation Aquila. Located around 660 light-years distant, it shines with a luminosity approximately 2172 times that of the Sun and has a surface temperature of 3326 K.[2]
| Observation data Epoch J2000 Equinox J2000 | |
|---|---|
| Constellation | Aquila |
| Right ascension | 19h 33m 46.031s[1] |
| Declination | +05° 27′ 56.54″[1] |
| Apparent magnitude (V) | 6.48 |
| Characteristics | |
| Spectral type | M5-5.5III |
| B−V color index | 1.471 |
| Variable type | Semiregular |
| Astrometry | |
| Radial velocity (Rv) | 3 km/s |
| Proper motion (μ) | RA: −5.26 ± 0.53[1] mas/yr Dec.: −24.24 ± 0.32[1] mas/yr |
| Parallax (π) | 4.94 ± 0.47[1] mas |
| Distance | 660 ± 60 ly (200 ± 20 pc) |
| Absolute magnitude (MV) | −1.87 |
| Details | |
| Luminosity | 2172[2] L☉ |
| Temperature | 3326[2] K |
| Other designations | |
| Database references | |
| SIMBAD | data |
References
- van Leeuwen, F. (2007). "Validation of the new Hipparcos reduction". Astronomy and Astrophysics. 474 (2): 653–664. arXiv:0708.1752. Bibcode:2007A&A...474..653V. doi:10.1051/0004-6361:20078357.Vizier catalog entry
- McDonald, I.; Zijlstra, A. A.; Boyer, M. L. (2012). "Fundamental Parameters and Infrared Excesses of Hipparcos Stars". Monthly Notices of the Royal Astronomical Society. 427 (1): 343–57. arXiv:1208.2037. Bibcode:2012MNRAS.427..343M. doi:10.1111/j.1365-2966.2012.21873.x.
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