Confirmed Exoplanet Discovered 2014

Kepler-132 d

A super-earth orbiting the f-type yellow-white Kepler-132, located approximately 1,140.1 light-years from Earth.

Key parameters at a glance

  • A radius of 1.55 Earth radii
  • A mass of 3.02 Earth masses
  • Surface gravity around 1.26 g
  • An orbital period of 18.010 days
  • Semi-major axis 0.1360 AU
  • Equilibrium temperature 758 K (485 °C)
  • Distance from Earth 1,140.08 light-years
  • Earth Similarity Index 0.395
  • Travel time at Voyager 1 speed 20,105,222 years

3 siblings around Kepler-132

Kepler-132 d shares its host star with 3 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
Kepler-132 b Rocky Terrestrial 1.21 1.92 6.178 1,082 2014
Kepler-132 c Super-Earth 1.28 2.18 6.415 1,069 2014
Kepler-132 d this Super-Earth 1.55 3.02 18.010 758 2014
Kepler-132 e Rocky Terrestrial 1.18 1.76 110.287 414 2016

Kepler-132 d Planet Profile

Physical Specs

Radius
1.55 R⊕
Radius (Jupiter)
0.138 R♃
Mass
3.02 M⊕
Mass (Jupiter)
0.010 M♃
Density
4.46 g/cm³
Surface Gravity
1.26 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.395
HZ Position Inner
Controversial No

Discovery

Year 2014
Method Transit
Facility Kepler
Telescope 0.95 m Kepler Telescope

Size rank in cohort

Rank by radius

#652of 1176

top 55.4%

This planet

1.55R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Metric Earth Kepler-132 d Jupiter
Radius (R⊕)1.001.5511.21
Mass (M⊕)1.003.02317.83
Density (g/cm³)5.514.461.33
Surface Gravity (g)1.001.262.53
Insolation (S⊕)1.0068.600.037

Star Catalogue Identifiers

TIC

TIC 237158274

System

Kepler-132

Percentile among Super-Earth cohort

Radius 1.550 R⊕ · percentile 43 / cohort 1176
Mass 3.020 M⊕ · percentile 39 / cohort 1176
Orbital period 18.01 d · percentile 82 / cohort 1164
Distance 349.55 pc · percentile 36 / cohort 1171
ESI 0.395 · percentile 59 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
18.010 days
Semi-major axis
0.1360 AU
Eccentricity
0.000
Inclination
85.52 °

Year Length

A year here lasts approximately 18.01 Earth days (4.9% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.1360 AU.

Transit Fingerprint

Depth

0.018 %

Duration

2.910 h

Impact parameter b

0.010

Rp / R★

0.012346

Transit midpoint (BJD)

2,455,012.4212

Photometric dip

Transit produces a flux drop of 178 ppm lasting ≈ 2.91 h.

Extended Orbital Architecture

Planet / star radius ratio

0.012346

Semi-major axis / stellar radius

17.200

Impact parameter (b)

0.010

Transit mid-time (BJD)

2,455,012.4212

Angular separation (arcsec)

0.38900

Eq. Temperature

758K

(485 °C)

Insolation (S⊕)

68.60

Earth = 1.00

Earth Similarity (ESI)

0.395

0 = alien, 1 = Earth-identical

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

Detection Signatures

Transit photometry

A transit dip has been observed from at least one telescope.

Transit timing variations

Gravitational interactions from neighbours have been detected.

Discovery Paper

Primary reference

Rowe et al. 2014

Instrument

Kepler CCD Array

Publication

2014-03

Observation locale

Space

Host System: Kepler-132

Spectral Class

F-type yellow-white

Effective Temperature

6,003 K — hotter than the Sun (5,778 K)

Estimated Age

4.37 Gyr — younger than the Sun (4.6 Gyr)

Stellar Radius

1.178 R☉

Stellar Mass

0.929 M☉

Metallicity [Fe/H]

-0.22

Extended Stellar Properties

Surface gravity (log g)

4.310 dex

Stellar density

0.910 g/cm³

Metallicity ratio

[M/H]

Distance
349.55 parsec
Light-years 1,140.08 ly
V-band magnitude
11.92 mag
Voyager-speed travel 20,105,222 yr

Multi-band Host Photometry — 15 bands

8.812.512.49B11.92V11.82Kepler11.35TESS12.17Sloan g11.75Sloan r11.67Sloan i11.63Sloan z10.80J10.52H10.42K10.38W110.43W210.39W38.85W4

Astrometric Data

Total Proper Motion

23.666 mas/yr

PM Right Ascension

-23.50 mas/yr

PM Declination

-2.80 mas/yr

Galactic Cartesian (pc)

x = 0.172 · y = -0.731 · z = 0.661

Equatorial (J2000)

RA 283.23581° · Dec 41.34304°

Galactic ℓ, b

71.102° · 17.267°

Ecliptic λ, β

292.854° · 63.736°

HTM-20 index

-854199848

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