WR 156

WR 156
Observation data
Epoch J2000      Equinox J2000
Constellation Cepheus
Right ascension 23h 00m 10.13337s[1]
Declination +60° 55′ 38.4168″[1]
Apparent magnitude (V) 11.01[2]
Characteristics
Spectral type WN8h[3]
B−V color index +1.17[2]
Astrometry
Proper motion (μ) RA: −2.595±0.040[4] mas/yr
Dec.: −1.691±0.042[4] mas/yr
Parallax (π)0.2749 ± 0.0125 mas[5]
Distance11,900 ± 500 ly
(3,600 ± 200 pc)
Absolute magnitude (MV)−7.00[6]
Details
Mass32[6] M☉
Radius20.81[6] R☉
Luminosity1,023,000[6] L☉
Temperature39,800[6] K
Other designations
WR 156, HIP 113569, 2MASS J23001010+6055385, MR 119
Database references
SIMBADdata

WR 156 is a young massive and luminous Wolf–Rayet star in the constellation of Cepheus. Although it shows a WR spectrum, it is thought to be a young star still fusing hydrogen in its core.

  1. ^ a b Cite error: The named reference hipparcos was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference tycho2 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference maryeva was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference dr2 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference EDR3 was invoked but never defined (see the help page).
  6. ^ a b c d e Cite error: The named reference hamann was invoked but never defined (see the help page).