Planet GJ 3470 c

Name GJ 3470 c
Planet Status Candidate
Discovered in 2020
Mass
Mass*sin(i)
Semi-Major Axis 0.25 AU
Orbital Period 66.0 day
Eccentricity
ω
Tperi
Radius 0.821 RJ
Inclination
Update 2020-07-16
Detection Method Primary Transit
Mass Detection Method
Radius Detection Method Primary Transit
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

GJ 3470
Name GJ 3470
Distance 30.7 ( -1.7 +2.1 ) pc +
Spectral type M1.5
Apparent magnitude V 12.3
Mass 0.51 (± 0.06) MSun +
Age 1.6 (± 1.3) Gyr +
Effective temperature 3652.0 (± 50.0) K +
Radius 0.48 (± 0.04) RSun +
Metallicity [Fe/H] 0.2 (± 0.1) +
Detected Disc
Magnetic Field
RA2000 07:59:06.0
Dec2000 +15:23:30
Alternate Names
Planetary system 1 planet

More data


Related publications

GJ 3470 c: A Saturn-like Exoplanet Candidate in the Habitable Zone of GJ 3470
2020 SCOTT Ph., WALTER B., YE ., MITCHELL D. HEILAND L., GAO X. et al.
arxiv  

Bright Opportunities for Atmospheric Characterization of Small Planets: Masses and Radii of K2-3 b, c, d and GJ3470 b from Radial Velocity Measurements and Spitzer Transits
2018 KOSIAREK M., CROSSFIELD I., HARDEGREE-ULLMAN K., LIVINGSTON J., BENNEKE B. et al.
Astron. J., accepted
arxiv  

Trigonometric Parallaxes and Proper Motions of 134 Southern Late M, L, and T Dwarfs from the Carnegie Astrometric Planet Search Program
2016 WEINBERGER A., BOSS A., KEISER S., ANGLADA-ESCUDE G., THOMPSON I. & BURLEY G.
Astron. J., 152, 24
paper  arxiv  ADS  

Spitzer Observations of GJ3470b: a Very Low-density Neptune-size Planet Orbiting a Metal-rich M dwarf
2013 DEMORY B.-O., TORRES G., NEVES V., ROGERS L., GILLON M. & 11 additional authors
ApJ, submitted
arxiv  

A hot Uranus transiting the nearby M dwarf GJ3470. Detected with HARPS velocimetry. Captured in transit with TRAPPIST photometry
2012 BONFILS X., GILLON M., UDRY S., ARMSTRONG D., BOUCHY F. & 13 additional authors
Astron. & Astrophys., 546, A27
paper   arxiv