82 G. Eridani

This article is about e Eridani. Not to be confused with ε Eridani.
82 G. Eridani
Location of 82 G. Eridani (circled)
Observation data
Epoch J2000      Equinox J2000
Constellation Eridanus
Right ascension 03h 19m 55.651s[1]
Declination −43° 04′ 11.22″[1]
Apparent magnitude (V) 4.254[2]
Characteristics
Spectral type G6 V[3]
U−B color index +0.22[4]
B−V color index +0.71[4]
Astrometry
Radial velocity (Rv)87.76±0.13[1] km/s
Proper motion (μ) RA: 3035.017 mas/yr[1]
Dec.: 726.964 mas/yr[1]
Parallax (π)165.5242 ± 0.0784 mas[1]
Distance19.704 ± 0.009 ly
(6.041 ± 0.003 pc)
Absolute magnitude (MV)5.34[2]
Details
Mass0.85±0.04[5]
0.91[6] M☉
Radius0.90±0.03[5] R☉
Luminosity0.69±0.03[5][a] L☉
Surface gravity (log g)4.46±0.10[5] cgs
Temperature5473±48[6] K
Metallicity [Fe/H]−0.38±0.06[5] dex
Rotation33.19±3.61 days[7]
Rotational velocity (v sin i)4.0[8] km/s
Age5.76±0.66,[7] 11.3[2] Gyr
Other designations
e Eri, e Eridani, CD−43°1028, FK5 119, GJ 139, HD 20794, HIP 15510, HR 1008, SAO 216263, G 82 G. Eridani, 82 G. Eri, LHS 19, LTT 1583[4]
Database references
SIMBADThe star
planet b
planet c
planet d
Exoplanet Archivedata
ARICNSdata

82 G. Eridani (HD 20794, HR 1008, e Eridani) is a star 19.7 light-years (6.0 parsecs) away from Earth in the constellation Eridanus. It is a main-sequence star with a stellar classification of G6 V, and it hosts a system of at least three planets and a dust disk.

  1. ^ a b c d e Cite error: The named reference GaiaDR3 was invoked but never defined (see the help page).
  2. ^ a b c Cite error: The named reference aaa501_3_941 was invoked but never defined (see the help page).
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  4. ^ a b c Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  5. ^ a b c d e Cite error: The named reference Bernkopf was invoked but never defined (see the help page).
  6. ^ a b Cite error: The named reference luck was invoked but never defined (see the help page).
  7. ^ a b Cite error: The named reference aaa534 was invoked but never defined (see the help page).
  8. ^ Cite error: The named reference aaa493_3_1099 was invoked but never defined (see the help page).


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