HD 129445

HD 129445
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Circinus
Right ascension 14h 46m 03.06521s[1]
Declination –68° 45′ 45.8797″[1]
Apparent magnitude (V) 8.80[2]
Characteristics
Spectral type G6 V[3]
Apparent magnitude (B) 9.556[2]
Apparent magnitude (J) 7.531±0.023[2]
Apparent magnitude (H) 7.243±0.027[2]
Apparent magnitude (K) 7.167±0.026[2]
B−V color index 0.756±0.002[2]
Astrometry
Radial velocity (Rv)+8.56±0.13[1] km/s
Proper motion (μ) RA: –197.892 mas/yr[1]
Dec.: –57.069 mas/yr[1]
Parallax (π)14.9136 ± 0.0147 mas[1]
Distance218.7 ± 0.2 ly
(67.05 ± 0.07 pc)
Absolute magnitude (MV)4.73[2]
Details[4]
Mass1.06+0.03
−0.05 M☉
Radius1.18±0.01[5] R☉
Luminosity1.229+0.005
−0.004[5] L☉
Surface gravity (log g)4.39±0.08 cgs
Temperature5,605+21
−34[5] K
Metallicity [Fe/H]0.36±0.10 dex
Rotational velocity (v sin i)1.4[6] km/s
Age4.94+3.77
−2.04 Gyr
Other designations
CD–68°1403, HD 129445, HIP 72203, PPM 360965, LTT 5856, NLTT 38236[7]
Database references
SIMBADdata
Exoplanet Archivedata

HD 129445 (HIP 72203; LTT 5856) is a star located in the southern constellation Circinus. It has an apparent magnitude of 8.80,[2] making it faintly visble in binoculars but not to the naked eye. The object is located relatively close at a distance of 219 light-years based on Gaia DR3 parallax measurements but it is drifting away with a spectroscopic radial velocity of 8.56 km/s.[1] It has an absolute magnitude of +4.73,[2] which is similar to the Sun's absolute magnitude of 4.83.

  1. ^ a b c d e f Cite error: The named reference GaiaDR3 was invoked but never defined (see the help page).
  2. ^ a b c d e f g h i Cite error: The named reference Anderson_Francis_2012 was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Houk1979 was invoked but never defined (see the help page).
  4. ^ Cite error: The named reference AguileraGómez_et_al_2018 was invoked but never defined (see the help page).
  5. ^ a b c Cite error: The named reference GaiaDR2 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Jenkins_et_al_2011 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference SIMBAD was invoked but never defined (see the help page).