Planet HAT-P-11 c

Detailed information about planet HAT-P-11 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HAT-P-11 c

Planet Status

Confirmed

Discovered in

2018

Update

2024-07-17

Mass

3.06 (\pm 0.4)

M_J 2 publications

Significant mutual inclinations between the stellar spin and the orbits of both planets in the HAT-P-11 system
Evidence for a high mutual inclination between the cold Jupiter and transiting super Earth orbiting π Men

Mass*sin(i)

1.595 (\begin{matrix} + 0.094 \\ - 0.085 \end{matrix})

M_J 1 publication

HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

Semi-Major Axis

4.19 (\pm 0.07)

AU 2 publications

Significant mutual inclinations between the stellar spin and the orbits of both planets in the HAT-P-11 system
HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

Orbital Period

3299.0 (\begin{matrix} + 53.0 \\ - 56.0 \end{matrix})

day 4 publications

Significant mutual inclinations between the stellar spin and the orbits of both planets in the HAT-P-11 system
Additional Doppler Monitoring Corroborates HAT-P-11 c as a Planet
Evidence for a high mutual inclination between the cold Jupiter and transiting super Earth orbiting π Men
HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

Eccentricity

0.617 (\begin{matrix} + 0.027 \\ - 0.029 \end{matrix})

4 publications

Significant mutual inclinations between the stellar spin and the orbits of both planets in the HAT-P-11 system
Additional Doppler Monitoring Corroborates HAT-P-11 c as a Planet
Evidence for a high mutual inclination between the cold Jupiter and transiting super Earth orbiting π Men
HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

ω

143.9 (\begin{matrix} + 4.0 \\ - 3.8 \end{matrix})

deg 4 publications

Significant mutual inclinations between the stellar spin and the orbits of both planets in the HAT-P-11 system
Additional Doppler Monitoring Corroborates HAT-P-11 c as a Planet
Evidence for a high mutual inclination between the cold Jupiter and transiting super Earth orbiting π Men
HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

T_peri

2456867.0 (\begin{matrix} + 15.0 \\ - 18.0 \end{matrix})

JD 2 publications

Additional Doppler Monitoring Corroborates HAT-P-11 c as a Planet
HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

Radius

—

Inclination

33.5 (\begin{matrix} + 6.0 \\ - 4.4 \end{matrix})

deg 2 publications

Significant mutual inclinations between the stellar spin and the orbits of both planets in the HAT-P-11 system
Evidence for a high mutual inclination between the cold Jupiter and transiting super Earth orbiting π Men

Detection Method

Radial Velocity

Mass Meas. Method

Radial Velocity

Radius Meas. Method

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

30.1 (\begin{matrix} + 1.1 \\ - 1.0 \end{matrix})

m/s 1 publication

Additional Doppler Monitoring Corroborates HAT-P-11 c as a Planet

Calculated temperature

—

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

31 May 2024:
An. et al 2024 have also an alternate value for the inclination: 143.6 ^+4.7_-6.2°

No link

Star

Name

HAT-P-11

Distance

37.89 (\pm 0.33)

pc 1 publication

HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

Spectral type

K4

Apparent magnitude V

9.59

Mass

0.809 (\begin{matrix} + 0.02 \\ - 0.03 \end{matrix})

M_Sun 1 publication

HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

Age

6.5 (\begin{matrix} + 5.9 \\ - 4.1 \end{matrix})

Gyr 1 publication

HAT-P-11b: A Super-Neptune Planet Transiting a Bright K Star in the Kepler Field

Effective temperature

4780.0 (\pm 50.0)

K 1 publication

HAT-P-11b: A Super-Neptune Planet Transiting a Bright K Star in the Kepler Field

Radius

0.683 (\pm 0.009)

R_Sun 1 publication

HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

Metallicity [Fe/H]

0.31 (\pm 0.05)

1 publication

HAT-P-11b: A Super-Neptune Planet Transiting a Bright K Star in the Kepler Field

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:50:50.0

Dec₂₀₀₀

+48:04:51.0

Alternate Names

—

Alias GSC 03561-02092
Alias 2MASS 19505021+4804508

No link

Simbad
Most recent references (ADS)

Planet HAT-P-11 c

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 2 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Planet HAT-P-11 c

Planet

Basic informations 28 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 13 parameters

Planetary system 2 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

Significant mutual inclinations between the stellar spin and the orbits of both planets in the HAT-P-11 system

Additional Doppler Monitoring Corroborates HAT-P-11 c as a Planet

Von Zeipel-Lidov-Kozai secondary resonances can enhance the excitation of planetary eccentricity

Are WASP-107-like Systems Consistent with High-eccentricity Migration?

The GAPS Programme at TNG LIV. Multiple molecular species in the atmosphere of HAT-P-11 b and review of the HAT-P-11 planetary system

Planet-Planet Scattering and ZLK Migration -- The Dynamical History of HAT-P-11

Constraining the formation history of the HAT-P-11 system by atmospheric abundances

Resolving the Multiplicity of Exoplanet Host Stars in Gemini/NIRI Data

A model for spin-orbit commensurability and synchronous starspot activity in stars with close-by planets

TESS Transit Timing of Hundreds of Hot Jupiters

Evidence for a high mutual inclination between the cold Jupiter and transiting super Earth orbiting π Men

HAT-P-11: Discovery of a Second Planet and a Clue to Understanding Exoplanet Obliquities

The Starspots of HAT-P-11: Evidence for a Solar-like Dynamo

Lucky Imaging of transiting planet host stars with LuckyCam

HAT-P-11b: A Super-Neptune Planet Transiting a Bright K Star in the Kepler Field