Confirmed Exoplanet Discovered 2022

WASP-132 c

A super-earth orbiting the k-type orange WASP-132, located approximately 400.9 light-years from Earth.

Key parameters at a glance

  • A radius of 1.84 Earth radii
  • A mass of 6.26 Earth masses
  • Surface gravity around 1.85 g
  • An orbital period of 1.012 days
  • Semi-major axis 0.0183 AU
  • Equilibrium temperature 1,329 K (1056 °C)
  • Distance from Earth 400.88 light-years
  • Earth Similarity Index 0.212
  • Travel time at Voyager 1 speed 7,069,489 years
  • Almost certainly tidally locked to its host star given the close orbit

2 siblings around WASP-132

WASP-132 c shares its host star with 2 other confirmed planets. Side-by-side measurements below.

Planet Type Radius (R⊕) Mass (M⊕) Period (d) Eq. T (K) Year
WASP-132 c this Super-Earth 1.84 6.26 1.012 1,329 2022
WASP-132 b Gas Giant 10.10 136.03 7.134 682 2016
WASP-132 d Gas Giant 12.80 1,639.99 1,816.600 107 2024

WASP-132 c Planet Profile

Physical Specs

Radius
1.84 R⊕
Radius (Jupiter)
0.164 R♃
Mass
6.26 M⊕
Mass (Jupiter)
0.020 M♃
Density
5.47 g/cm³
Surface Gravity
1.85 g (Earth)

Classification

Planet Type

Super-Earth

ESI Score 0.212
HZ Position Inner
Controversial No

Discovery

Year 2022
Method Transit
Facility Transiting Exoplanet Survey Satellite (TESS)
Telescope 0.1 m TESS Telescope

Size rank in cohort

Rank by radius

#200of 1176

top 16.9%

This planet

1.84R⊕

Super-Earth median

1.60R⊕

Nearest-size peers

Kepler-52 c 1.84 R⊕ Kepler-354 b 1.84 R⊕ Kepler-1651 b 1.84 R⊕
Metric Earth WASP-132 c Jupiter
Radius (R⊕)1.001.8411.21
Mass (M⊕)1.006.26317.83
Density (g/cm³)5.515.471.33
Surface Gravity (g)1.001.852.53
Insolation (S⊕)1.00791.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 6.260 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 127530399

Gaia DR2

Gaia DR2 6099012478412247296

Gaia DR3

Gaia DR3 6099012478412247296

System

WASP-132

Percentile among Super-Earth cohort

Radius 1.841 R⊕ · percentile 83 / cohort 1176
Mass 6.260 M⊕ · percentile 94 / cohort 1176
Orbital period 1.01 d · percentile 6 / cohort 1164
Distance 122.91 pc · percentile 19 / cohort 1171
ESI 0.212 · percentile 15 / cohort 1176

Orbit & Habitability

Orbital Dynamics

Period
1.012 days
Semi-major axis
0.0183 AU
Eccentricity
0.000
Inclination
88.82 °

Year Length

A year here lasts approximately 1.01 Earth days (0.3% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0183 AU.

Transit Fingerprint

Depth

0.064 %

Duration

1.491 h

Impact parameter b

0.107

Rp / R★

0.022300

Transit midpoint (BJD)

2,458,597.5758

Photometric dip

Transit produces a flux drop of 641 ppm lasting ≈ 1.49 h.

Extended Orbital Architecture

Planet / star radius ratio

0.022300

Semi-major axis / stellar radius

5.170

Impact parameter (b)

0.107

RV semi-amplitude (K)

4.670 m/s

Transit mid-time (BJD)

2,458,597.5758

Long. of periastron (ω)

188.00°

Angular separation (arcsec)

0.14900

Eq. Temperature

1,329K

(1056 °C)

Insolation (S⊕)

791.00

Earth = 1.00

Earth Similarity (ESI)

0.212

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched. Close-orbiting tidally-locked around a cool host.

Detection Signatures

Transit photometry

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

Radial velocity

Stellar wobble has been measured spectroscopically.

Discovery Paper

Primary reference

Hord et al. 2022

Instrument

TESS CCD Array

Publication

2022-05

Observation locale

Space

Discovery cohort

Planets confirmed in 2022 at Transiting Exoplanet Survey Satellite (TESS) (12 shown).

TOI-1452 b · Super-Earth TOI-712 d · Sub-Neptune TOI-1468 c · Sub-Neptune TOI-2136 b · Sub-Neptune LTT 1445 A c · Rocky Terrestrial TOI-712 c · Sub-Neptune LP 890-9 b · Super-Earth TOI-2081 b · Sub-Neptune GJ 3929 b · Rocky Terrestrial HD 260655 c · Super-Earth HD 73583 c · Sub-Neptune TOI-1759 b · Sub-Neptune

Host System: WASP-132

Spectral Class

K-type orange

Effective Temperature

4,686 K — cooler than the Sun (5,778 K)

Estimated Age

7.20 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

0.758 R☉

Stellar Mass

0.789 M☉

Metallicity [Fe/H]

0.15

Extended Stellar Properties

Surface gravity (log g)

4.560 dex

Stellar density

2.602 g/cm³

Systemic radial velocity

31.07 km/s

Rotational v·sin i

3.30 km/s

Rotation period

33.00 days

Activity index (log R'HK)

-4.852

Metallicity ratio

[Fe/H]

Distance
122.91 parsec
Light-years 400.88 ly
V-band magnitude
11.94 mag
Voyager-speed travel 7,069,489 yr

Multi-band Host Photometry — 11 bands

8.313.113.14B11.94V11.75Gaia11.11TESS10.26J9.75H9.67K9.56W19.64W29.58W38.28W4

Astrometric Data

Parallax

8.107 mas

Total Proper Motion

74.278 mas/yr

PM Right Ascension

12.56 mas/yr

PM Declination

-73.21 mas/yr

Galactic Cartesian (pc)

x = -0.549 · y = -0.423 · z = -0.721

Equatorial (J2000)

RA 217.60920° · Dec -46.15952°

Galactic ℓ, b

320.272° · 13.352°

Ecliptic λ, β

230.877° · -29.578°

HTM-20 index

-2039524180

Similar Worlds

Kepler-1651 b

Super-Earth · K-type orange

Radius 1.84 R⊕ · 216.6 ly

Kepler-357 b

Super-Earth · K-type orange

Radius 1.84 R⊕ · 2,245.8 ly

Ross 176 b

Super-Earth · K-type orange

Radius 1.84 R⊕ · 151.5 ly

Kepler-354 b

Super-Earth · K-type orange

Radius 1.84 R⊕ · 1,807.1 ly

Kepler-331 c

Super-Earth · K-type orange

Radius 1.84 R⊕ · 1,892.1 ly

TOI-1782.02

Super-Earth · K-type orange

Radius 1.84 R⊕ · 310.7 ly

Explore Related Categories

Super-Earth Planets Transit Discoveries Transiting Exoplanet Survey Satellite (TESS) Mission K-type orange Hosts