WR 69

WR 69
Observation data
Epoch J2000      Equinox J2000
Constellation Triangulum Australe
Right ascension 15h 24m 11.31117s[1]
Declination −62° 40′ 37.57531″[1]
Apparent magnitude (V) 9.1
Characteristics
Evolutionary stage Wolf-Rayet
Spectral type WC9d[2]
U−B color index 0.05[3]
B−V color index 0.414[3]
Astrometry
Radial velocity (Rv)0.00[4] km/s
Parallax (π)0.2559 ± 0.0343 mas[1]
Distance3,480+640
−470[5] pc
Absolute magnitude (MV)−5.51[2]
Details
Mass12.1[2] M☉
Radius9.77[2] R☉
Luminosity214,000[2] L☉
Temperature40,000[2] K
Other designations
HD 136488, WR 69, HIP 75377, 2MASS J15241131-6240374
Database references
SIMBADdata

WR 69 is a Wolf–Rayet star located 11,350 light years away in the constellation of Triangulum Australe. It is classified as a WC9 star, belonging to the late-type carbon sequence. WR 69 is also a prolific dust maker, hence the "d" in its spectral type.[2]

  1. ^ a b c Cite error: The named reference gaia was invoked but never defined (see the help page).
  2. ^ a b c d e f g Cite error: The named reference sander was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference ducati was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference ascc was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference gemma was invoked but never defined (see the help page).