Planet KOI-227.01

Detailed information about planet KOI-227.01 and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

KOI-227.01

Planet Status

Candidate

Discovered in

2017

Publication Status

Announced on a website

Update

2025-03-01

Mass

—

Mass*sin(i)

—

Semi-Major Axis

0.1047 AU

Orbital Period

17.65737838 (\begin{matrix} + 1.528e-05 \\ - 1.528e-05 \end{matrix})

day

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.219 (\begin{matrix} + 0.024 \\ - 0.023 \end{matrix})

R_J

Inclination

88.24 deg

Detection Method

Primary Transit

Mass Meas. Method

—

Radius Meas. Method

—

Primary transit

2454969.586 (\begin{matrix} + 2454833.000702 \\ - 2454832.999298 \end{matrix})

Secondary transit

—

λ

—

Impact Parameter b

0.8277 (\begin{matrix} + 0.0186 \\ - 0.3729 \end{matrix})

Time V_r=0

—

Velocity Semiamplitude K

—

Calculated temperature

350.0 K

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

—

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Star

Name

KOI-227 A

Distance

189.64 (\pm 13.23)

pc 1 publication

Planetary Candidates Observed by Kepler. VI. Planet Sample from Q1--Q16 (47 Months)

Spectral type

M1V

Apparent magnitude V

14.54

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.49 (\pm 0.06)

M_Sun 1 publication

Photo-Dynamical Analysis of Three Kepler Objects of Interest with Significant Transit Timing Variations

Age

—

Effective temperature

3745.0 (\begin{matrix} + 51.0 \\ - 59.0 \end{matrix})

K 1 publication

Photo-Dynamical Analysis of Three Kepler Objects of Interest with Significant Transit Timing Variations

Radius

0.47 (\pm 0.05)

R_Sun 1 publication

Photo-Dynamical Analysis of Three Kepler Objects of Interest with Significant Transit Timing Variations

Metallicity [Fe/H]

-0.02 (\pm 0.1)

1 publication

Photo-Dynamical Analysis of Three Kepler Objects of Interest with Significant Transit Timing Variations

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

18:57:24.5

Dec₂₀₀₀

+41:31:09.1

Alternate Names

KIC 6185476, 2MASS J18572448+4131091

Furlan et al. (2017) report two companion stars, an inner nearly equal object 0.31 arcseconds away (58.6 AUs at 189 pc) and an outer much fainter one, possibly a brown dwarf, 3.35 arcseconds away (633 AUs at 189 pc). Sullivan et al. (2023) confirm companionship for the inner companion star.

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