Planet Kepler-457 c

Detailed information about planet Kepler-457 c and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-457 c

Planet Status

Confirmed

Discovered in

2015

Update

2024-06-05

Mass

—

Mass*sin(i)

—

Semi-Major Axis

0.3654 (\begin{matrix} + 0.117 \\ - 0.0035 \end{matrix})

Orbital Period

75.2 (\begin{matrix} + 38.9 \\ - 1.1 \end{matrix})

day 1 publication

Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data

Eccentricity

—

ω

—

T_peri

—

Radius

0.21 (\begin{matrix} + 0.17 \\ - 0.12 \end{matrix})

R_J 1 publication

Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data

Inclination

89.701 (\pm 0.16)

deg 1 publication

Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

Primary Transit

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

—

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

—

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

KIC 8540376 c, Kepler-1803 c

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Wang et al. (2015) gives a confidence level of 0.999 for the planet detection

No link

Star

Name

Kepler-457

Distance

1072.3 (\pm 22.025)

pc 1 publication

The Revised TESS Input Catalog and Candidate Target List

Spectral type

F8V

Apparent magnitude V

—

Mass

1.15 M_Sun 2 publications

Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data
The Revised TESS Input Catalog and Candidate Target List

Age

—

Effective temperature

6116.46 (\pm 18.73)

K 2 publications

Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data
The Revised TESS Input Catalog and Candidate Target List

Radius

1.256 R_Sun 2 publications

Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data
The Revised TESS Input Catalog and Candidate Target List

Metallicity [Fe/H]

-0.051 (\pm 0.017)

2 publications

Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data
The Revised TESS Input Catalog and Candidate Target List

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

18:49:30.6

Dec₂₀₀₀

+44:41:40.5

Alternate Names

KIC 8540376, Kepler-1803, KOI-7892, 2MASS J18493060+4441405, WISE J184930.60+444140.4

No remarks

No link

Simbad
Most recent references (ADS)

Planet Kepler-457 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 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet Kepler-457 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 3 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

ExoMiner: A Highly Accurate and Explainable Deep Learning Classifier That Validates 301 New Exoplanets

The Revised TESS Input Catalog and Candidate Target List

Planet Hunters. VIII. Characterization of 41 Long-Period Exoplanet Candidates from Kepler Archival Data