QY Puppis is a K-type supergiant star in the constellation of Puppis. With a radius of 515 R☉, it is on the smaller end of the largest known stars.[7]
Observation data Epoch J2000 Equinox J2000 | |
---|---|
Constellation | Puppis |
Right ascension | 07h 47m 38.5262s[2] |
Declination | −15° 59′ 26.480″[2] |
Apparent magnitude (V) | 6.24 - 6.71[3] |
Characteristics | |
Spectral type | K1Ia-Iab[4] |
Apparent magnitude (J) | 3.746[5] |
Apparent magnitude (H) | 2.958[5] |
Apparent magnitude (K) | 2.702[5] |
Variable type | SRd[3] |
Astrometry | |
Proper motion (μ) | RA: −2.017[2] mas/yr Dec.: −3.596[2] mas/yr |
Parallax (π) | 0.3197 ± 0.0330 mas[2] |
Distance | 10,200 ly (3,100 pc) |
Details | |
Mass | 6.2±0.4[6] M☉ |
Radius | 515[7] R☉ |
Luminosity | 62,500–63,700[7] L☉ |
Surface gravity (log g) | 0.16[8] cgs |
Temperature | 4,251±46[8] K |
Metallicity [Fe/H] | 0.05[8] dex |
Age | 63.6±21.7[6] Myr |
Other designations | |
Database references | |
SIMBAD | data |
QY Puppis has been classified in the General Catalogue of Variable Stars as a semiregular variable star of type SRD.[3] QY Puppis has a temperature of 4,251 K,[8] and has expanded to a radius of 515 R☉.[7] It is approximately 60 million years old, with a mass of 6.2 M☉.[6]