Confirmed Exoplanet Discovered 2013

CoRoT-26 b

A gas giant orbiting the g-type yellow (sun-like) CoRoT-26, located approximately 3,408.9 light-years from Earth.

Key parameters at a glance

  • A radius of 14.12 Earth radii
  • A mass of 165.26 Earth masses
  • Surface gravity around 0.83 g
  • An orbital period of 4.205 days
  • Semi-major axis 0.0526 AU
  • Equilibrium temperature 1,600 K (1327 °C)
  • Distance from Earth 3,408.92 light-years
  • Earth Similarity Index 0.067
  • Travel time at Voyager 1 speed 60,116,253 years

CoRoT-26 b Planet Profile

Physical Specs

Radius
14.12 R⊕
Radius (Jupiter)
1.260 R♃
Mass
165.26 M⊕
Mass (Jupiter)
0.520 M♃
Density
0.28 g/cm³
Surface Gravity
0.83 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.067
HZ Position Unknown
Controversial No

Discovery

Year 2013
Method Transit
Facility CoRoT
Telescope 0.27 m CoRoT Telescope

Size rank in cohort

Rank by radius

#369of 1771

top 20.8%

This planet

14.12R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth CoRoT-26 b Jupiter
Radius (R⊕)1.0014.1211.21
Mass (M⊕)1.00165.26317.83
Density (g/cm³)5.510.281.33
Surface Gravity (g)1.000.832.53
Insolation (S⊕)1.000.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 165.260 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 322388624

Gaia DR2

Gaia DR2 4286437357841760000

Gaia DR3

Gaia DR3 4286437357841760000

System

CoRoT-26

Percentile among Gas Giant cohort

Radius 14.120 R⊕ · percentile 79 / cohort 1771
Mass 165.260 M⊕ · percentile 14 / cohort 1747
Orbital period 4.20 d · percentile 31 / cohort 1533
Distance 1,045.18 pc · percentile 87 / cohort 1759
ESI 0.067 · percentile 12 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
4.205 days
Semi-major axis
0.0526 AU
Eccentricity
0.000
Inclination
86.80 °

Year Length

A year here lasts approximately 4.20 Earth days (1.2% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0526 AU.

Transit Fingerprint

Duration

5.470 h

Impact parameter b

0.330

Rp / R★

0.071800

Transit midpoint (BJD)

2,454,573.6299

Extended Orbital Architecture

Planet / star radius ratio

0.071800

Semi-major axis / stellar radius

6.280

Impact parameter (b)

0.330

RV semi-amplitude (K)

61.000 m/s

Transit mid-time (BJD)

2,454,573.6299

Angular separation (arcsec)

0.05030

Eq. Temperature

1,600K

(1327 °C)

Insolation (S⊕)

Earth = 1.00

Earth Similarity (ESI)

0.067

0 = alien, 1 = Earth-identical

Insufficient insolation data — 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

Almenara et al. 2013

Instrument

CoRoT CCD Array

Publication

2013-07

Observation locale

Space

Host System: CoRoT-26

Spectral Class

G-type yellow (Sun-like)

Effective Temperature

5,590 K — cooler than the Sun (5,778 K)

Estimated Age

8.60 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.790 R☉

Stellar Mass

1.090 M☉

Metallicity [Fe/H]

0.01

Extended Stellar Properties

Surface gravity (log g)

3.990 dex

Systemic radial velocity

15.51 km/s

Rotational v·sin i

2.00 km/s

Metallicity ratio

[Fe/H]

Distance
1,045.18 parsec
Light-years 3,408.92 ly
V-band magnitude
15.86 mag
Voyager-speed travel 60,116,253 yr

Multi-band Host Photometry — 11 bands

8.817.617.60B15.86V15.47Gaia14.82TESS13.81J13.36H13.26K13.16W113.30W212.08W38.81W4

Astrometric Data

Total Proper Motion

10.114 mas/yr

PM Right Ascension

-4.34 mas/yr

PM Declination

-9.13 mas/yr

Galactic Cartesian (pc)

x = 0.168 · y = -0.978 · z = 0.121

Equatorial (J2000)

RA 279.75050° · Dec 6.96978°

Galactic ℓ, b

37.745° · 5.926°

Ecliptic λ, β

281.193° · 30.031°

HTM-20 index

2077421775

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