Rho Indi

ρ Indi
Observation data
Epoch J2000.0      Equinox J2000.0
Constellation Indus
Right ascension 22h 54m 39.482s[1]
Declination –70° 04′ 25.35″[1]
Apparent magnitude (V) +6.05[2]
Characteristics
Spectral type G1 V Fe+0.3[3]
U−B color index +0.22[4]
B−V color index +0.66[4]
Astrometry
Radial velocity (Rv)−2.29±0.12[1] km/s
Proper motion (μ) RA: −43.140[1] mas/yr
Dec.: +72.728[1] mas/yr
Parallax (π)37.4641 ± 0.0253 mas[1]
Distance87.06 ± 0.06 ly
(26.69 ± 0.02 pc)
Absolute magnitude (MV)+3.90[5]
Details[6]
Mass1.317±0.083 M
Radius1.456±0.024 R
Luminosity2.24 L
Surface gravity (log g)4.23 cgs
Temperature5,849 K
Metallicity [Fe/H]0.18 dex
Rotation26.7 d[7]
Rotational velocity (v sin i)3.1 km/s
Age4.6+1.0
−0.4
 Gyr
Other designations
ρ Ind, CPD–70°2971, FK5 865, HR 8701, HD 216437, HIP 113137, SAO 258084.
Database references
SIMBADdata
Exoplanet Archivedata

ρ Indi, Latinised as Rho Indi (also HR 8701 or HD 216437), is a yellow-hued star in the constellation Indus. With an apparent visual magnitude of +6.05[2] it is, barely, a naked eye star, not visible in the northern hemisphere outside the tropics. Based upon an annual parallax shift of 37.46 mas, it is located 87 light-years (27 parsecs) from the Sun. The star is moving closer to the Sun with a radial velocity of −2 km/s.[1]

  1. ^ a b c d e f g Cite error: The named reference dr3 was invoked but never defined (see the help page).
  2. ^ a b Cite error: The named reference Ducati was invoked but never defined (see the help page).
  3. ^ Cite error: The named reference Gray2006 was invoked but never defined (see the help page).
  4. ^ a b Cite error: The named reference EgUBV was invoked but never defined (see the help page).
  5. ^ Cite error: The named reference Anderson2012 was invoked but never defined (see the help page).
  6. ^ Cite error: The named reference Valenti was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference Mayor2004 was invoked but never defined (see the help page).