Planet HD 118203 c

Detailed information about planet HD 118203 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HD 118203 c

Planet Status

Confirmed

Discovered in

2024

Update

2024-08-01

Mass

11.9 (\begin{matrix} + 0.7 \\ - 0.6 \end{matrix})

M_J 2 publications

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203
A Testbed for Tidal Migration: the 3D Architecture of an Eccentric Hot Jupiter HD 118203 b Accompanied by a Possibly Aligned Outer Giant Planet

Mass*sin(i)

—

Semi-Major Axis

5.36 (\pm 0.1)

AU 2 publications

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203
A Testbed for Tidal Migration: the 3D Architecture of an Eccentric Hot Jupiter HD 118203 b Accompanied by a Possibly Aligned Outer Giant Planet

Orbital Period

5103.0 (\pm 77.0)

day 2 publications

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203
A Testbed for Tidal Migration: the 3D Architecture of an Eccentric Hot Jupiter HD 118203 b Accompanied by a Possibly Aligned Outer Giant Planet

Eccentricity

0.257 (\pm 0.034)

1 publication

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203

ω

175.4 (\begin{matrix} + 4.3 \\ - 4.6 \end{matrix})

deg 1 publication

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203

T_peri

2451544.69 (\pm 0.02)

JD 1 publication

A Testbed for Tidal Migration: the 3D Architecture of an Eccentric Hot Jupiter HD 118203 b Accompanied by a Possibly Aligned Outer Giant Planet

Radius

—

Inclination

95.0 (\begin{matrix} + 15.0 \\ - 19.0 \end{matrix})

deg 1 publication

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203

Detection Method

Timing

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

118.0 (\begin{matrix} + 10.0 \\ - 11.0 \end{matrix})

m/s 1 publication

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203

Calculated temperature

146.0 (\pm 3.0)

K 1 publication

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

No remarks

No link

Star

Name

HD 118203

Distance

88.6 pc

Spectral type

G0IV

Apparent magnitude V

8.05

Mass

1.353 (\pm 0.006)

M_Sun 2 publications

Elodie metallicity-biased search for transiting Hot Jupiters. I. Two Hot Jupiters orbiting the slightly evolved stars HD 118203 and HD 149143
Signs of magnetic star-planet interactions in HD 118203. TESS detects stellar variability that matches the orbital period of a close-in eccentric Jupiter-sized companion

Age

5.32 (\begin{matrix} + 0.96 \\ - 0.73 \end{matrix})

Gyr 2 publications

Elodie metallicity-biased search for transiting Hot Jupiters. I. Two Hot Jupiters orbiting the slightly evolved stars HD 118203 and HD 149143
TESS Reveals HD 118203 b to be a Transiting Planet

Effective temperature

5872.0 (\pm 20.0)

K 2 publications

Elodie metallicity-biased search for transiting Hot Jupiters. I. Two Hot Jupiters orbiting the slightly evolved stars HD 118203 and HD 149143
Signs of magnetic star-planet interactions in HD 118203. TESS detects stellar variability that matches the orbital period of a close-in eccentric Jupiter-sized companion

Radius

1.993 (\pm 0.065)

R_Sun 1 publication

Signs of magnetic star-planet interactions in HD 118203. TESS detects stellar variability that matches the orbital period of a close-in eccentric Jupiter-sized companion

Metallicity [Fe/H]

0.27 (\pm 0.02)

2 publications

Elodie metallicity-biased search for transiting Hot Jupiters. I. Two Hot Jupiters orbiting the slightly evolved stars HD 118203 and HD 149143
Signs of magnetic star-planet interactions in HD 118203. TESS detects stellar variability that matches the orbital period of a close-in eccentric Jupiter-sized companion

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

13:34:02.0

Dec₂₀₀₀

+53:43:42.0

Alternate Names

TOI-1271

No remarks

No link

Simbad
Most recent references (ADS)

Planet HD 118203 c

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet HD 118203 c

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Tracking Advanced Planetary Systems (TAPAS) with HARPS-N VIII. A wide-orbit planetary companion in the hot-Jupiter system HD 118203

Signs of magnetic star-planet interactions in HD 118203. TESS detects stellar variability that matches the orbital period of a close-in eccentric Jupiter-sized companion

A Testbed for Tidal Migration: the 3D Architecture of an Eccentric Hot Jupiter HD 118203 b Accompanied by a Possibly Aligned Outer Giant Planet

TESS Reveals HD 118203 b to be a Transiting Planet

Elodie metallicity-biased search for transiting Hot Jupiters. I. Two Hot Jupiters orbiting the slightly evolved stars HD 118203 and HD 149143