QY Puppis

QY Puppis

A light curve for QY Puppis, plotted from Hipparcos data[1]
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]
Distance10,200 ly
(3,100 pc)
Details
Mass6.2±0.4[6] M☉
Radius515[7] R☉
Luminosity62,500–63,700[7] L☉
Surface gravity (log g)0.16[8] cgs
Temperature4,251±46[8] K
Metallicity [Fe/H]0.05[8] dex
Age63.6±21.7[6] Myr
Other designations
BD−15°2049, HD 63302, HIP 38031, HR 3026, WDS J07478-1601
Database references
SIMBADdata

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]

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  2. ^ a b c d e Cite error: The named reference dr3 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference gcvs was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference keenan was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference 2MASS was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference tetzlaff was invoked but never defined (see the help page).
  7. ^ a b c Cite error: The named reference messineo was invoked but never defined (see the help page).
  8. ^ a b c Cite error: The named reference arentsen was invoked but never defined (see the help page).