QW Puppis (QW Pup) is a class F3V (yellow-white dwarf) star in the constellation Puppis. Its apparent magnitude is 4.49 and it is approximately 69.5 light years away based on parallax.
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Puppis |
Right ascension | 07h 12m 33.62514s[1] |
Declination | −46° 45′ 33.4966″[1] |
Apparent magnitude (V) | 4.49[2] |
Characteristics | |
Spectral type | F3V Fe-1.0[3] |
U−B color index | −0.01[2] |
B−V color index | +0.32[2] |
Variable type | γ Dor[4] |
Astrometry | |
Radial velocity (Rv) | +0.10[5] km/s |
Proper motion (μ) | RA: −135.806[1] mas/yr Dec.: +107.433[1] mas/yr |
Parallax (π) | 46.9031 ± 0.1185 mas[1] |
Distance | 69.5 ± 0.2 ly (21.32 ± 0.05 pc) |
Absolute magnitude (MV) | 2.84[6] |
Details | |
Mass | 1.52[7] M☉ |
Radius | 1.7[1] R☉ |
Luminosity | 6.4[7] L☉ |
Surface gravity (log g) | 4.17[8] cgs |
Temperature | 6,934[7] K |
Metallicity [Fe/H] | −0.24[6] dex |
Rotational velocity (v sin i) | 51[7] km/s |
Age | 1.6[1] Gyr |
Other designations | |
Database references | |
SIMBAD | data |
It is a Gamma Doradus variable, ranging from 4.5 to 4.47 magnitude with a period of 0.96 days.[4] With a mass of 1.5 M☉ and an age of 1.6 billion years, it is about halfway through its main sequence lifetime.[7]