HD 35184
Star in the constellation Mensa
From Wikipedia, the free encyclopedia
HD 35184 is a solitary star in the southern circumpolar constellation Mensa. It has an apparent magnitude of 6.50, which is at the visibility limit for the average naked eye observer under ideal conditions. Located 375 light years away, it is receding with a heliocentric radial velocity of 13.6 km/s.
| Observation data Epoch J2000.0 Equinox J2000.0 (ICRS) | |
|---|---|
| Constellation | Mensa |
| Right ascension | 05h 15m 24.8374s[1] |
| Declination | −73° 35′ 18.5123″[1] |
| Apparent magnitude (V) | 6.50±0.01[2] |
| Characteristics | |
| Spectral type | A6 V[3] |
| B−V color index | +0.15[4] |
| Astrometry | |
| Radial velocity (Rv) | 13.6±0.6[5] km/s |
| Proper motion (μ) | RA: −22.228 mas/yr[1] Dec.: +5.616 mas/yr[1] |
| Parallax (π) | 8.7050±0.0209 mas[1] |
| Distance | 374.7 ± 0.9 ly (114.9 ± 0.3 pc) |
| Absolute magnitude (MV) | +1.26[4] |
| Details | |
| Mass | 2.15±0.04[6] M☉ |
| Radius | 2.8±0.1[7] R☉ |
| Luminosity | 24.5[8] L☉ |
| Surface gravity (log g) | 3.82+0.09 −0.07[7] cgs |
| Temperature | 8,034[8] K |
| Metallicity [Fe/H] | −0.01[9] dex |
| Rotational velocity (v sin i) | 92.4±2.9[10] km/s |
| Age | 674[9] Myr |
| Other designations | |
| 22 G. Mensae, CPD−73°294, GC 6150, HD 35184, HIP 24507, SAO 256172 | |
| Database references | |
| SIMBAD | data |
HD 35184 has a stellar classification of A6 V, indicating that it is an ordinary A-type main-sequence star. At present it has 2.15 times the mass of the Sun[6] and 2.8 times the radius of the Sun.[7] It shines at 24.5 L☉ from its photosphere at an effective temperature of 8,034 K,[8] giving it a white hue. HD 35184 is 674 million years old – 79.6% through its main sequence lifetime[6] – and spins with a projected rotational velocity of 92 km/s−1.[10]