| Observation data Epoch J2000.0 Equinox J2000.0 | |
|---|---|
| Constellation | Mensa |
| Right ascension | 05h 37m 02.0168s[1] |
| Declination | −73° 41′ 57.645″[1] |
| Apparent magnitude (V) | 6.70[2] |
| Characteristics | |
| Spectral type | F9.5 V[3] |
| B−V color index | 0.540[4] |
| Astrometry | |
| Radial velocity (Rv) | 61.4 ± 0.2[1] km/s |
| Proper motion (μ) | RA: 138.785[1] mas/yr Dec.: −108.526[1] mas/yr |
| Parallax (π) | 26.2443 ± 0.0250 mas[1] |
| Distance | 124.3 ± 0.1 ly (38.10 ± 0.04 pc) |
| Absolute magnitude (MV) | 3.82[4] |
| Details[5] | |
| Mass | 1.37 ± 0.07 M☉ |
| Radius | 1.49 ± 0.0 R☉ |
| Luminosity | 2.35[4] L☉ |
| Surface gravity (log g) | 4.23 ± 0.02 cgs |
| Temperature | 5,981 ± 12 K |
| Metallicity [Fe/H] | −0.18 dex |
| Rotational velocity (v sin i) | 3.8[6] km/s |
| Age | 7.43[6] Gyr |
| Other designations | |
| Database references | |
| SIMBAD | data |
HD 38283, or Bubup, is a star in the southern circumpolar constellation Mensa. With an magnitude of 6.70, its invisible to the naked eye but can be seen with binoculars. Bubup is located relatively close at a distance of 124 light-years[1] but is recceding with a heliocentric radial velocity of 61.4 km/s.[1]
Gaia DR2 was invoked but never defined (see the help page).tycho2 was invoked but never defined (see the help page).gray2006 was invoked but never defined (see the help page).Tinney2011 was invoked but never defined (see the help page).stassun2017 was invoked but never defined (see the help page).mena2015 was invoked but never defined (see the help page).Simbad was invoked but never defined (see the help page).