Delta Volantis
Luminous star in the constellation Volans
From Wikipedia, the free encyclopedia
Delta Volantis, Latinized from δ Volantis, is a solitary[11] star in the southern constellation Volans. It has an apparent visual magnitude of +3.97, which is bright enough to be seen with the naked eye. Based upon parallax measurements, is approximately 740 light years from the Solar System.
 | |
| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Volans |
| Right ascension | 07h 16m 49.82387s[1] |
| Declination | −67° 57′ 25.7484″[1] |
| Apparent magnitude (V) | 3.97[2] |
| Characteristics | |
| Spectral type | F6 II[3] |
| U−B color index | +0.45[2] |
| B−V color index | +0.78[2] |
| Astrometry | |
| Radial velocity (Rv) | 22.7±0.3[4] km/s |
| Proper motion (μ) | RA: −4.43 mas/yr[1] Dec.: +8.38 mas/yr[1] |
| Parallax (π) | 4.42±0.11 mas[1] |
| Distance | 740 ± 20 ly (226 ± 6 pc) |
| Absolute magnitude (MV) | −2.6[5] |
| Details | |
| Mass | 5[5] M☉ |
| Radius | 36.1[6] R☉ |
| Luminosity | 1,095±57[6] L☉ |
| Surface gravity (log g) | 1.77[7][8] cgs |
| Temperature | 5,637[8] K |
| Metallicity [Fe/H] | +0.11[7][8] dex |
| Rotational velocity (v sin i) | 5.6±0.3[9] km/s |
| Other designations | |
| δ Vol, CPD−67°730, FK5 281, HD 57623, HIP 35228, HR 2803, SAO 249809[10] | |
| Database references | |
| SIMBAD | data |
This is an F-type bright giant star with a stellar classification of F6 II. It has five times Sun's mass,[5] an estimated radius 36 times that of the Sun, and shines with more than a thousand times the Sun's luminosity.[6] The outer atmosphere has an effective temperature of 5,637 K,[8] giving it a yellow hue.[12]