Planet Kepler-538 Ab

Detailed information about planet Kepler-538 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-538 Ab

Planet Status

Confirmed

Discovered in

2016

Update

2024-08-04

Mass

0.03335 (\begin{matrix} + 0.00787 \\ - 0.00755 \end{matrix})

M_J 1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

Mass*sin(i)

—

Semi-Major Axis

0.4669 (\begin{matrix} + 0.0087 \\ - 0.009 \end{matrix})

AU 1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

Orbital Period

81.73778 (\pm 0.00013)

day 1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

Eccentricity

0.041 (\begin{matrix} + 0.034 \\ - 0.029 \end{matrix})

1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

ω

140.0 (\begin{matrix} + 140.0 \\ - 90.0 \end{matrix})

deg 1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

T_peri

—

Radius

0.198 (\begin{matrix} + 0.004 \\ - 0.003 \end{matrix})

R_J 1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

Inclination

89.73 (\begin{matrix} + 0.14 \\ - 0.06 \end{matrix})

deg 1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

Detection Method

Primary Transit

Mass Meas. Method

Spectrum

Radius Meas. Method

Primary Transit

Primary transit

2455044.6789 (\pm 0.0011)

JD 1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

Secondary transit

—

λ

—

Impact Parameter b

0.41 (\begin{matrix} + 0.1 \\ - 0.21 \end{matrix})

1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

Time V_r=0

—

Velocity Semiamplitude K

1.69 (\begin{matrix} + 0.3 \\ - 0.38 \end{matrix})

m/s 1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

Calculated temperature

380.0 K 1 publication

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

WISE J194956.79+493724.2 b, Kepler-538 b, KOI-365 b, KOI-365.01, K00365.01, KIC 11623629 b, TYC 3565-1191-1 b, 2MASS J19495685+4937244 b

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

Kepler-538 A

Distance

155.956 (\begin{matrix} + 0.709 \\ - 0.703 \end{matrix})

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

G5V

Apparent magnitude V

11.34

Mass

0.892 (\begin{matrix} + 0.051 \\ - 0.035 \end{matrix})

M_Sun 1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Age

5.3 (\begin{matrix} + 2.4 \\ - 3.0 \end{matrix})

Gyr 1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Effective temperature

5534.0 (\pm 61.0)

K 1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Radius

0.8717 (\begin{matrix} + 0.0064 \\ - 0.0061 \end{matrix})

R_Sun 1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Metallicity [Fe/H]

-0.09 (\pm 0.065)

1 publication

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:49:56.9

Dec₂₀₀₀

+49:37:24.4

Alternate Names

Kepler-538, KOI-365, WISE J194956.79+493724.2, KIC 11623629, TYC 3565-1191-1, 2MASS J19495685+4937244

An M dwarf companion star lies 3106 AUs away.

No link

Simbad
Most recent references (ADS)

Planet Kepler-538 Ab

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 Some remarks

Other web pages No page

More data 2 references

Planet Kepler-538 Ab

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 Some remarks

Other web pages No page

More data 2 references

Related publications

Cold Jupiters and improved masses in 38 Kepler and K2 small-planet systems from 3661 high-precision HARPS-N radial velocities. No excess of cold Jupiters in small-planet systems

Revisiting the Kepler field with TESS: Improved ephemerides using TESS 2min data

Erratum: "An 11 Earth-mass, Long-period Sub-Neptune Orbiting a Sun-like Star" (2019, AJ, 158, 165)

An 11 Earth-Mass, Long-Period Sub-Neptune Orbiting a Sun-like Star

The Revised TESS Input Catalog and Candidate Target List

Search for stellar companions of exoplanet host stars by exploring the second ESA-Gaia data release

False Positive Probabilities for all Kepler Objects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives