GJ 3470

GJ 3470 / Kaewkosin
Observation data
Epoch J2000.0      Equinox J2000.0 (ICRS)
Constellation Cancer[1]
Right ascension 07h 59m 05.83953s[2]
Declination +15° 23′ 29.2361″[2]
Apparent magnitude (V) 12.330[3]
Characteristics
Evolutionary stage Main sequence red dwarf
Spectral type M2.0Ve[4]
Apparent magnitude (B) 13.5[4]
Apparent magnitude (V) 12.330[3]
Apparent magnitude (R) 11.934[4]
Apparent magnitude (J) 8.794[4]
Apparent magnitude (H) 8.206[4]
Apparent magnitude (K) 7.989[4]
B−V color index 1.17
V−R color index 0.396
J−H color index 0.588
J−K color index 0.217
Astrometry
Radial velocity (Rv)25.95±0.25[2] km/s
Proper motion (μ) RA: -185.706 mas/yr[2]
Dec.: -56.994 mas/yr[2]
Parallax (π)34.0172 ± 0.0255 mas[2]
Distance95.88 ± 0.07 ly
(29.40 ± 0.02 pc)
Details
Mass0.539+0.047
−0.043[5] M☉
Radius0.547±0.018[5] R☉
Luminosity (bolometric)0.029±0.002[6] L☉
Surface gravity (log g)4.695±0.046[5] cgs
Temperature3652±50[6] K
Metallicity [Fe/H]0.20±0.10[5] dex
Rotation21.54±0.49 d[6]
Age0.3-3[6] Gyr
Other designations
Kaewkosin, GJ 3470, LP 424-4, NLTT 18739, PM J07590+1523, TIC 19028197, 2MASS J07590587+1523294[4]
Database references
SIMBADdata
Exoplanet Archivedata

GJ 3470, proper name Kaewkosin,[7] is a red dwarf star located in the constellation of Cancer, 96 light-years (29 parsecs) away from Earth. With a faint apparent magnitude of 12.3, it is not visible to the naked eye. It hosts one known exoplanet, GJ 3470 b.[3][8]

  1. ^ Cite error: The named reference DJM-2008 was invoked but never defined (see the help page).
  2. ^ a b c d e Cite error: The named reference GaiaDR3 was invoked but never defined (see the help page).
  3. ^ a b c Cite error: The named reference NASAExoplanetArchive was invoked but never defined (see the help page).
  4. ^ a b c d e f g Cite error: The named reference SIMBAD was invoked but never defined (see the help page).
  5. ^ a b c d Cite error: The named reference Awiphan2016 was invoked but never defined (see the help page).
  6. ^ a b c d Cite error: The named reference Kosiarek2019 was invoked but never defined (see the help page).
  7. ^ Cite error: The named reference NEW2022-results was invoked but never defined (see the help page).
  8. ^ "GJ 3470". www.exoplanetkyoto.org. Retrieved 2020-07-16.