Nu3 Canis Majoris

For other stars with this Bayer designation, see ν Canis Majoris.
Nu3 Canis Majoris
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Canis Major
Right ascension 06h 37m 53.42144s[1]
Declination −18° 14′ 14.9218″[1]
Apparent magnitude (V) 4.41[2] (4.63 + 8.56)[3]
Characteristics
Spectral type K0 II-III[4]
U−B color index +1.04[2]
B−V color index +1.16[2]
Astrometry
Radial velocity (Rv)−1.50±0.70[5] km/s
Proper motion (μ) RA: −7.32[1] mas/yr
Dec.: −8.72[1] mas/yr
Parallax (π)7.74 ± 0.43 mas[1]
Distance420 ± 20 ly
(129 ± 7 pc)
Absolute magnitude (MV)−1.13[6]
Details[4]
ν3 CMa A
Mass3.38±0.37[7] M☉
Radius32.7 R☉
Luminosity398 L☉
Surface gravity (log g)2.34 cgs
Temperature4,510 K
Metallicity [Fe/H]−0.24 dex
Rotation183 d
Rotational velocity (v sin i)8[8] km/s
Age380±20[7] Myr
Other designations
ν3 CMa, 8 Canis Majoris, BD−18°1492, GC 8660, HD 47442, HIP 31700, HR 2443, SAO 151730, CCDM 06379-1814[9]
Database references
SIMBADdata

Nu3 Canis Majoris, Latinized from ν3 Canis Majoris, is a binary star[3] system in the southern constellation of Canis Major.

  1. ^ a b c d e Cite error: The named reference vanLeeuwen2007 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference Fernie1983 was invoked but never defined (see the help page).
  3. ^ a b Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference auriere2015 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference deBruijne2012 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference reffert2015 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Bernacca1970 was invoked but never defined (see the help page).
  9. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).