Planet HAT-P-4 c

Detailed information about planet HAT-P-4 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

HAT-P-4 c

Mass

—

Mass*sin(i)

1.5 (\begin{matrix} + 0.0 \\ - 310.0 \end{matrix})

M_J 1 publication

Friends of Hot Jupiters. I. A Radial Velocity Search for Massive, Long-period Companions to Close-in Gas Giant Planets

Semi-Major Axis

5.0 (\begin{matrix} + 0.0 \\ - 50.0 \end{matrix})

AU 1 publication

Friends of Hot Jupiters. I. A Radial Velocity Search for Massive, Long-period Companions to Close-in Gas Giant Planets

Orbital Period

—

Eccentricity

—

ω

—

T_peri

—

Radius

—

Inclination

—

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Surface gravity log(g/g_H)

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Maciejewski et al 2023 present the null results of searches for low-mass planets close to b planet. The sytem comprises a low-density, inflated planet and a metal-rich, widely separated G2 star, named HAT-P-4 B (Kovács et al. 2007).

No link

Star

Name

HAT-P-4

Distance

310.0 (\pm 30.0)

pc 1 publication

HAT-P-4b: A metal-rich low-density transiting hot Jupiter

Spectral type

Apparent magnitude V

11.2

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

1.26 (\begin{matrix} + 0.14 \\ - 0.14 \end{matrix})

M_Sun 1 publication

HAT-P-4b: A metal-rich low-density transiting hot Jupiter

Age

4.2 (\begin{matrix} + -0.6 \\ - -0.6 \end{matrix})

Gyr 1 publication

HAT-P-4b: A metal-rich low-density transiting hot Jupiter

Effective temperature

5890.0 (\pm 67.0)

K 1 publication

HAT-P-4b: A metal-rich low-density transiting hot Jupiter

Radius

1.59 (\pm 0.07)

R_Sun 1 publication

HAT-P-4b: A metal-rich low-density transiting hot Jupiter

Metallicity [Fe/H]

0.2 (\pm 0.08)

1 publication

HAT-P-4b: A metal-rich low-density transiting hot Jupiter

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

15:19:58.0

Dec₂₀₀₀

+36:13:47.0

Alternate Names

—

No remarks

No link

Simbad
Most recent references (ADS)

Planet HAT-P-4 c

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet HAT-P-4 c

Planet

Basic informations 20 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Search for planets in hot Jupiter systems with multi-sector TESS photometry. III. A study of ten systems enhanced with new ground-based photometry

Very wide companion fraction from Gaia DR2: A weak or no enhancement for hot Jupiter hosts, and a strong enhancement for contact binaries

Exterior Companions to Hot Jupiters Orbiting Cool Stars are Coplanar

Possible Outcomes of Coplanar High-eccentricity Migration: Hot Jupiters, Close-in Super-Earths, and Counter-orbiting Planets

New wide stellar companions of exoplanet host stars

Friends of Hot Jupiters. I. A Radial Velocity Search for Massive, Long-period Companions to Close-in Gas Giant Planets

HAT-P-4b: A metal-rich low-density transiting hot Jupiter