Confirmed Exoplanet Discovered 2011

CoRoT-19 b

A gas giant orbiting the f-type yellow-white CoRoT-19, located approximately 2,578.8 light-years from Earth.

Key parameters at a glance

  • A radius of 14.46 Earth radii
  • A mass of 352.78 Earth masses
  • Surface gravity around 1.69 g
  • An orbital period of 3.897 days
  • Semi-major axis 0.0518 AU
  • Equilibrium temperature 2,000 K (1727 °C)
  • Distance from Earth 2,578.79 light-years
  • Earth Similarity Index 0.061
  • Travel time at Voyager 1 speed 45,477,044 years

CoRoT-19 b Planet Profile

Physical Specs

Radius
14.46 R⊕
Radius (Jupiter)
1.290 R♃
Mass
352.78 M⊕
Mass (Jupiter)
1.110 M♃
Density
0.71 g/cm³
Surface Gravity
1.69 g (Earth)

Classification

Planet Type

Gas Giant

ESI Score 0.061
HZ Position Inner
Controversial No

Discovery

Year 2011
Method Transit
Facility CoRoT
Telescope 0.27 m CoRoT Telescope

Size rank in cohort

Rank by radius

#280of 1771

top 15.8%

This planet

14.46R⊕

Gas Giant median

13.52R⊕

Nearest-size peers

Metric Earth CoRoT-19 b Jupiter
Radius (R⊕)1.0014.4611.21
Mass (M⊕)1.00352.78317.83
Density (g/cm³)5.510.711.33
Surface Gravity (g)1.001.692.53
Insolation (S⊕)1.001,103.810.037

Alternative Mass Estimates

Method Value Interpretation
Best measured mass 352.780 M⊕ Direct mass measurement (not derived).

Star Catalogue Identifiers

TIC

TIC 42821097

Gaia DR2

Gaia DR2 3120002649138831360

Gaia DR3

Gaia DR3 3120002649138831360

System

CoRoT-19

Percentile among Gas Giant cohort

Radius 14.460 R⊕ · percentile 84 / cohort 1771
Mass 352.780 M⊕ · percentile 38 / cohort 1747
Orbital period 3.90 d · percentile 28 / cohort 1533
Distance 790.66 pc · percentile 83 / cohort 1759
ESI 0.061 · percentile 9 / cohort 1771

Orbit & Habitability

Orbital Dynamics

Period
3.897 days
Semi-major axis
0.0518 AU
Eccentricity
0.047
Inclination
88.00 °

Year Length

A year here lasts approximately 3.90 Earth days (1.1% of a terrestrial year) on a nearly circular orbit at a mean orbital distance of 0.0518 AU.

Transit Fingerprint

Depth

0.631 %

Duration

4.700 h

Impact parameter b

0.240

Rp / R★

0.078600

Transit midpoint (BJD)

2,455,257.4410

Photometric dip

Transit produces a flux drop of 6,313 ppm lasting ≈ 4.70 h.

Extended Orbital Architecture

Planet / star radius ratio

0.078600

Semi-major axis / stellar radius

6.700

Impact parameter (b)

0.240

RV semi-amplitude (K)

126.000 m/s

Transit mid-time (BJD)

2,455,257.4410

Sky-projected obliquity (λ)

-52.00°

Angular separation (arcsec)

0.06550

Eq. Temperature

2,000K

(1727 °C)

Insolation (S⊕)

1,103.81

Earth = 1.00

Earth Similarity (ESI)

0.061

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

Guenther et al. 2012

Instrument

CoRoT CCD Array

Publication

2012-01

Observation locale

Space

Host System: CoRoT-19

Spectral Class

F-type yellow-white

Effective Temperature

6,090 K — hotter than the Sun (5,778 K)

Estimated Age

5.00 Gyr — older than the Sun (4.6 Gyr)

Stellar Radius

1.650 R☉

Stellar Mass

1.210 M☉

Metallicity [Fe/H]

-0.02

Extended Stellar Properties

Surface gravity (log g)

4.070 dex

Stellar density

0.380 g/cm³

Systemic radial velocity

24.16 km/s

Rotational v·sin i

6.00 km/s

Metallicity ratio

[Fe/H]

Distance
790.66 parsec
Light-years 2,578.79 ly
V-band magnitude
14.14 mag
Voyager-speed travel 45,477,044 yr

Multi-band Host Photometry — 16 bands

9.116.015.97U14.91B14.14V13.78Gaia13.19TESS14.41Sloan g13.73Sloan r13.43Sloan i13.26Sloan z12.32J11.96H11.84K11.76W111.79W212.08W39.15W4

Astrometric Data

Parallax

1.238 mas

Total Proper Motion

7.694 mas/yr

PM Right Ascension

4.80 mas/yr

PM Declination

-6.01 mas/yr

Galactic Cartesian (pc)

x = -0.122 · y = 0.992 · z = -0.003

Equatorial (J2000)

RA 97.03360° · Dec -0.17073°

Galactic ℓ, b

210.421° · -5.261°

Ecliptic λ, β

97.665° · -23.423°

HTM-20 index

1678783532

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