Planet Kepler-1257 b

Detailed information about planet Kepler-1257 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-1257 b

Planet Status

Confirmed

Discovered in

2016

Update

2021-02-05

Mass

—

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

2.66831376 (\begin{matrix} + 9.86e-06 \\ - 9.86e-06 \end{matrix})

day

Eccentricity

—

ω

—

T_peri

—

Radius

0.136 (\begin{matrix} + 0.016 \\ - 0.011 \end{matrix})

R_J

Inclination

—

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

—

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

2MASS J19441816+4537374 b, K02491.01, KIC 9229657 b, KOI-2491 b, KOI-2491.01, WISE J194418.15+453737.2 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-1257

Distance

1081.0

Spectral type

—

Apparent magnitude V

—

Mass

0.9 (\begin{matrix} + 0.06 \\ - 0.05 \end{matrix})

M_Sun

Age

4.37 (\begin{matrix} + 5.36 \\ - -2.73 \end{matrix})

Gyr

Effective temperature

5502.0 (\begin{matrix} + 168.32 \\ - 93.92 \end{matrix})

Radius

0.87 (\begin{matrix} + 0.1 \\ - 0.07 \end{matrix})

R_Sun

Metallicity [Fe/H]

-0.09 (\begin{matrix} + 0.147 \\ - 0.177 \end{matrix})

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:44:18.2

Dec₂₀₀₀

+45:37:37.4

Alternate Names

2MASS J19441816+4537374, KIC 9229657, KOI-2491, WISE J194418.15+453737.2

No remarks

No link

Simbad
Most recent references (ADS)

Planet Kepler-1257 b

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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet Kepler-1257 b

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 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

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