Confirmed Exoplanet Discovered 2009

CoRoT-5 b

A gas giant orbiting the f-type yellow-white CoRoT-5, located approximately 2,878.2 light-years from Earth.

Key parameters at a glance

  • A radius of 15.56 Earth radii
  • A mass of 148.42 Earth masses
  • Surface gravity around 0.61 g
  • An orbital period of 4.038 days
  • Semi-major axis 0.0495 AU
  • Equilibrium temperature 1,438 K (1165 °C)
  • Distance from Earth 2,878.24 light-years
  • Earth Similarity Index 0.071
  • Travel time at Voyager 1 speed 50,757,678 years

CoRoT-5 b Planet Profile

Physical Specs

Radius
15.56 R⊕
Radius (Jupiter)
1.388 R♃
Mass
148.42 M⊕
Mass (Jupiter)
0.467 M♃
Density
0.22 g/cm³
Surface Gravity
0.61 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.071
HZ Position Inner
Controversial No

Discovery

Year 2009
Method Transit
Facility CoRoT
Telescope 0.27 m CoRoT Telescope

Size rank in cohort

Rank by radius

#195of 1771

top 11.0%

This planet

15.56R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth CoRoT-5 b Jupiter
Radius (R⊕)1.0015.5611.21
Mass (M⊕)1.00148.42317.83
Density (g/cm³)5.510.221.33
Surface Gravity (g)1.000.612.53
Insolation (S⊕)1.00786.290.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 148.420 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 234112540

Gaia DR2

Gaia DR2 3125611120515388800

Gaia DR3

Gaia DR3 3125611120515388800

System

CoRoT-5

Percentile among Gas Giant cohort

Radius 15.558 R⊕ · percentile 89 / cohort 1771
Mass 148.420 M⊕ · percentile 12 / cohort 1747
Orbital period 4.04 d · percentile 29 / cohort 1533
Distance 882.47 pc · percentile 85 / cohort 1759
ESI 0.071 · percentile 13 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
4.038 days
Semi-major axis
0.0495 AU
Eccentricity
0.090
Inclination
85.83 °

Year Length

A year here lasts approximately 4.04 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0495 AU.

Transit Fingerprint

Depth

1.461 %

Duration

2.933 h

Impact parameter b

0.755

Rp / R★

0.115500

Transit midpoint (BJD)

2,454,400.1989

Photometric dip

Transit produces a flux drop of 14,610 ppm lasting ≈ 2.93 h.

Extended Orbital Architecture

Planet / star radius ratio

0.115500

Semi-major axis / stellar radius

9.540

Impact parameter (b)

0.755

RV semi-amplitude (K)

59.100 m/s

Transit mid-time (BJD)

2,454,400.1989

Long. of periastron (ω)

-128.34°

Angular separation (arcsec)

0.05610

Eq. Temperature

1,438K

(1165 °C)

Insolation (S⊕)

786.29

Earth = 1.00

Earth Similarity (ESI)

0.071

0 = alien, 1 = Earth-identical

Inside the inner HZ boundary (too hot for liquid water) — the dayside is scorched.

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

Rauer et al. 2009

Instrument

CoRoT CCD Array

Publication

2009-10

Observation locale

Space

Host System: CoRoT-5

Spectral Class

F-type yellow-white

Effective Temperature

6,100 K — hotter than the Sun (5,778 K)

Estimated Age

6.90 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.186 R☉

Stellar Mass

1.000 M☉

Metallicity [Fe/H]

-0.25

Extended Stellar Properties

Surface gravity (log g)

4.190 dex

Stellar density

1.010 g/cm³

Rotational v·sin i

1.00 km/s

Metallicity ratio

[M/H]

Distance
882.47 parsec
Light-years 2,878.24 ly
V-band magnitude
14.04 mag
Voyager-speed travel 50,757,678 yr

Multi-band Host Photometry — 16 bands

8.716.016.00U14.61B14.04V13.90Gaia13.48TESS14.72Sloan g13.94Sloan r13.77Sloan i14.11Sloan z12.87J12.61H12.55K12.48W112.52W212.30W38.70W4

Astrometric Data

Parallax

1.105 mas

Total Proper Motion

8.829 mas/yr

PM Right Ascension

-3.07 mas/yr

PM Declination

-8.28 mas/yr

Galactic Cartesian (pc)

x = -0.196 · y = 0.981 · z = 0.014

Equatorial (J2000)

RA 101.27724° · Dec 0.81522°

Galactic ℓ, b

211.485° · -1.036°

Ecliptic λ, β

102.184° · -22.148°

HTM-20 index

102249443

Similar Worlds

Explore Related Categories