Planet Kepler-278 b

Detailed information about planet Kepler-278 b and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-278 b

Planet Status

Confirmed

Discovered in

2014

Update

2021-02-05

Mass

0.176 (\begin{matrix} + 0.116 \\ - 0.041 \end{matrix})

M_J 1 publication

Gemini-GRACES high-quality spectra of Kepler evolved stars with transiting planets I. Detailed characterization of multi-planet systems Kepler-278 and Kepler-391

Mass*sin(i)

—

Semi-Major Axis

0.207

Orbital Period

30.160546 (\begin{matrix} + 0.000311 \\ - 0.000311 \end{matrix})

day

Eccentricity

0.696 (\begin{matrix} + 0.017 \\ - 0.026 \end{matrix})

2 publications

Gemini-GRACES high-quality spectra of Kepler evolved stars with transiting planets I. Detailed characterization of multi-planet systems Kepler-278 and Kepler-391
Eccentricity from transit photometry: small planets in Kepler multi-planet systems have low eccentricities

ω

21.1 (\pm 7.7)

deg 1 publication

Gemini-GRACES high-quality spectra of Kepler evolved stars with transiting planets I. Detailed characterization of multi-planet systems Kepler-278 and Kepler-391

T_peri

—

Radius

0.363 (\begin{matrix} + 0.014 \\ - 0.014 \end{matrix})

R_J

Inclination

85.11 (\begin{matrix} + 0.72 \\ - 0.52 \end{matrix})

deg 1 publication

Gemini-GRACES high-quality spectra of Kepler evolved stars with transiting planets I. Detailed characterization of multi-planet systems Kepler-278 and Kepler-391

Detection Method

Primary Transit

Mass Meas. Method

TTV

Radius Meas. Method

Primary Transit

Primary transit

2455695.3727 (\begin{matrix} + 0.0036 \\ - 0.0095 \end{matrix})

JD 1 publication

Gemini-GRACES high-quality spectra of Kepler evolved stars with transiting planets I. Detailed characterization of multi-planet systems Kepler-278 and Kepler-391

Secondary transit

—

λ

—

Impact Parameter b

0.37 (\begin{matrix} + 0.23 \\ - 0.23 \end{matrix})

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

586.0 (\pm 19.0)

K 1 publication

Gemini-GRACES high-quality spectra of Kepler evolved stars with transiting planets I. Detailed characterization of multi-planet systems Kepler-278 and Kepler-391

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J19202572+3842080 b, K01221.01, KIC 3640905 b, KOI-1221 b, KOI-1221.01, WISE J192025.73+384208.1  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-278

Distance

448.65 (\begin{matrix} + 6.38 \\ - 6.38 \end{matrix})

Spectral type

—

Apparent magnitude V

—

Mass

— 1 publication

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems

Age

— 1 publication

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems

Effective temperature

4991.0 (\pm 75.0)

K 1 publication

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems

Radius

2.94 (\pm 0.07)

R_Sun 1 publication

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems

Metallicity [Fe/H]

0.422

1 publication

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:20:25.7

Dec₂₀₀₀

+38:42:08.0

Alternate Names

2MASS J19202572+3842080, KIC 3640905, KOI-1221, WISE J192025.73+384208.1

No remarks

No link

Simbad
Most recent references (ADS)

Planet Kepler-278 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 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Planet Kepler-278 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 2 planets

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Gemini-GRACES high-quality spectra of Kepler evolved stars with transiting planets I. Detailed characterization of multi-planet systems Kepler-278 and Kepler-391

Eccentricity from transit photometry: small planets in Kepler multi-planet systems have low eccentricities

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems