Nu Capricorni

Nu Capricorni
Location of ν Capricorni (circled), to the ESE of the naked eye double, α Capricorni
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Capricornus
Right ascension 20h 20m 39.81562s[1]
Declination −12° 45′ 32.6844″[1]
Apparent magnitude (V) +4.76[2]
Characteristics
Spectral type B9 IV[3] or B9.5 V[4]
U−B color index −0.11[2]
B−V color index −0.04[2]
Astrometry
Radial velocity (Rv)−1.00[5] km/s
Proper motion (μ) RA: +14.74[1] mas/yr
Dec.: −14.32[1] mas/yr
Parallax (π)12.88 ± 0.27 mas[1]
Distance253 ± 5 ly
(78 ± 2 pc)
Absolute magnitude (MV)+0.32[6]
Details
ν Cap A
Mass2.37[7] M☉
Luminosity87[6] L☉
Surface gravity (log g)3.97[7] cgs
Temperature10,461±356[7] K
Metallicity [Fe/H]−0.15±0.04[6] dex
Rotational velocity (v sin i)24[8] km/s
Age115[7] Myr
Other designations
Alshat, ν Cap, Nu Cap, 8 Cap, BD−13°5642, HD 193432, HIP 100310, HR 7773, SAO 163468, ADS 13714, WDS J20207-1246A[9]
Database references
SIMBADdata

Nu Capricorni or ν Capricorni is a binary star[4] system in the southern constellation of Capricornus. It is visible to the naked eye with an apparent visual magnitude of +4.76.[2]

  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 d Cite error: The named reference Johnson1966 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Houk1988 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference Eggleton2008 was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Gontcharov2006 was invoked but never defined (see the help page).
  6. ^ a b c Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  7. ^ a b c d Cite error: The named reference David2015 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference Royer2007 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).