Confirmed Exoplanet Discovered 2016

Kepler-1479 b

A super-earth orbiting the g-type yellow (sun-like) Kepler-1479, located approximately 2,376.6 light-years from Earth.

Key parameters at a glance

  • A radius of 1.83 Earth radii
  • A mass of 4.01 Earth masses
  • Surface gravity around 1.20 g
  • An orbital period of 14.533 days
  • Semi-major axis 0.1134 AU
  • Equilibrium temperature 746 K (473 °C)
  • Distance from Earth 2,376.59 light-years
  • Earth Similarity Index 0.381
  • Travel time at Voyager 1 speed 41,911,240 years

Kepler-1479 b Planet Profile

Physical Specs

Radius
1.83 R⊕
Radius (Jupiter)
0.163 R♃
Mass
4.01 M⊕
Mass (Jupiter)
0.013 M♃
Density
3.60 g/cm³
Surface Gravity
1.20 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.381
HZ Position Inner
Controversial No

Discovery

Year 2016
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#221of 1176

top 18.7%

This planet

1.83R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-1479 b Jupiter
Radius (R⊕)1.001.8311.21
Mass (M⊕)1.004.01317.83
Density (g/cm³)5.513.601.33
Surface Gravity (g)1.001.202.53
Insolation (S⊕)1.0098.570.037

Star Catalogue Identifiers

TIC

TIC 377781254

Gaia DR2

Gaia DR2 2132114850564827008

Gaia DR3

Gaia DR3 2132114850564827008

System

Kepler-1479

Percentile among Super-Earth cohort

Radius 1.830 R⊕ · percentile 80 / cohort 1176
Mass 4.010 M⊕ · percentile 74 / cohort 1176
Orbital period 14.53 d · percentile 77 / cohort 1164
Distance 728.67 pc · percentile 63 / cohort 1171
ESI 0.381 · percentile 57 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
14.533 days
Semi-major axis
0.1134 AU
Eccentricity
0.000
Inclination
89.86 °

Year Length

A year here lasts approximately 14.53 Earth days (4.0% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1134 AU.

Transit Fingerprint

Depth

0.033 %

Duration

2.408 h

Impact parameter b

0.007

Rp / R★

0.017039

Transit midpoint (BJD)

2,454,973.4678

Photometric dip

Transit produces a flux drop of 329 ppm lasting ≈ 2.41 h.

Extended Orbital Architecture

Planet / star radius ratio

0.017039

Semi-major axis / stellar radius

46.890

Impact parameter (b)

0.007

Transit mid-time (BJD)

2,454,973.4678

Angular separation (arcsec)

0.15600

Eq. Temperature

746K

(473 °C)

Insolation (S⊕)

98.57

Earth = 1.00

Earth Similarity (ESI)

0.381

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the surface is too hot to retain surface water.

Discovery Paper

Primary reference

Morton et al. 2016

Instrument

Kepler CCD Array

Publication

2016-05

Observation locale

Space

Host System: Kepler-1479

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,796 K — hotter than the Sun (5,778 K)

Estimated Age

4.27 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

0.980 R☉

Stellar Mass

0.990 M☉

Metallicity [Fe/H]

-0.02

Extended Stellar Properties

Surface gravity (log g)

4.450 dex

Stellar density

0.580 g/cm³

Metallicity ratio

[Fe/H]

Distance
728.67 parsec
Light-years 2,376.59 ly
V-band magnitude
13.91 mag
Voyager-speed travel 41,911,240 yr

Multi-band Host Photometry — 16 bands

9.714.914.94B13.91V13.73Gaia13.79Kepler13.29TESS14.21Sloan g13.72Sloan r13.61Sloan i13.54Sloan z12.67J12.34H12.26K12.23W112.26W212.74W39.67W4

Astrometric Data

Parallax

1.344 mas

Total Proper Motion

23.603 mas/yr

PM Right Ascension

9.95 mas/yr

PM Declination

21.41 mas/yr

Galactic Cartesian (pc)

x = 0.175 · y = -0.623 · z = 0.763

Equatorial (J2000)

RA 285.71200° · Dec 49.70676°

Galactic ℓ, b

79.968° · 18.612°

Ecliptic λ, β

303.182° · 71.340°

HTM-20 index

-369950831

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