Planet Kepler-108 Bb

Detailed information about planet Kepler-108 Bb and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-108 Bb

Planet Status

Confirmed

Discovered in

2014

Update

2024-07-30

Mass

—

Mass*sin(i)

—

Semi-Major Axis

0.2829 AU 2 publications

Planetary Candidates Observed by Kepler. VIII. A Fully Automated Catalog With Measured Completeness and Reliability Based on Data Release 25
Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems

Orbital Period

49.183921 (\begin{matrix} + 5.4e-05 \\ - 5.4e-05 \end{matrix})

day

Eccentricity

0.22 (\begin{matrix} + 0.19 \\ - 0.12 \end{matrix})

1 publication

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

ω

—

T_peri

—

Radius

0.732 (\begin{matrix} + 0.045 \\ - 0.0491 \end{matrix})

R_J

Inclination

89.94 deg 1 publication

Planetary Candidates Observed by Kepler. VIII. A Fully Automated Catalog With Measured Completeness and Reliability Based on Data Release 25

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

Primary Transit

Primary transit

—

Secondary transit

—

λ

—

Impact Parameter b

0.03 (\begin{matrix} + 0.15 \\ - 0.15 \end{matrix})

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

669.0 K 1 publication

Planetary Candidates Observed by Kepler. VIII. A Fully Automated Catalog With Measured Completeness and Reliability Based on Data Release 25

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

Kepler-108 b, KOI-119.01, WISE J193814.19+460344.4 b, KOI-119 Bb, KOI-119 b, K00119.01, KIC 9471974 b, 2MASS J19381420+4603443 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

15 Jun 2016: Mills et al. (2016) give a mutual inclination I = 15 - 60 deg. between the two planetary orbits.
31 Jul. 2024: See also Planets in Binaries webpage.

No link

Star

Name

Kepler-108 B

Distance

689.95 (\pm 48.74)

pc 1 publication

Planetary Candidates Observed by Kepler. VIII. A Fully Automated Catalog With Measured Completeness and Reliability Based on Data Release 25

Spectral type

G2IV

Apparent magnitude V

12.66

Mass

1.247 (\begin{matrix} + 0.082 \\ - 0.067 \end{matrix})

M_Sun 2 publications

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems
Planetary Candidates Observed by Kepler. VIII. A Fully Automated Catalog With Measured Completeness and Reliability Based on Data Release 25

Age

3.89 (\begin{matrix} + 1.1 \\ - 0.4 \end{matrix})

Gyr 2 publications

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems
False Positive Probabilities for all Kepler Objects of Interest: 1284 Newly Validated Planets and 428 Likely False Positives

Effective temperature

5626.0 (\begin{matrix} + 89.0 \\ - 78.0 \end{matrix})

K 2 publications

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems
Planetary Candidates Observed by Kepler. VIII. A Fully Automated Catalog With Measured Completeness and Reliability Based on Data Release 25

Radius

2.057 (\begin{matrix} + 0.125 \\ - 0.138 \end{matrix})

R_Sun 2 publications

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems
Planetary Candidates Observed by Kepler. VIII. A Fully Automated Catalog With Measured Completeness and Reliability Based on Data Release 25

Metallicity [Fe/H]

0.36 (\begin{matrix} + 0.1 \\ - 0.15 \end{matrix})

2 publications

Validation of Kepler's Multiple Planet Candidates. III: Light Curve Analysis & Announcement of Hundreds of New Multi-planet Systems
Planetary Candidates Observed by Kepler. VIII. A Fully Automated Catalog With Measured Completeness and Reliability Based on Data Release 25

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:38:14.2

Dec₂₀₀₀

+46:03:44.4

Alternate Names

KOI-119, WISE J193814.19+460344.4, KIC 9471974, TIC 271164755, UCAC4 681-071694, 2MASS J19381420+4603443

Mills & Fabrycky (2017) detect the primary component of the binary system, an almost identical G-type subgiant (m_A = 1.26 M_Sol, r_A = 1.45 R_Sol). Furlan et al. (2017) place it 1.044 arcseconds away (720 AUs at 690 pc).

No link