Planet Kepler-1221 Ab

Detailed information about planet Kepler-1221 Ab and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

Kepler-1221 Ab

Planet Status

Confirmed

Discovered in

2016

Publication Status

Announced on a website

Update

2025-03-01

Mass

—

Mass*sin(i)

—

Semi-Major Axis

—

Orbital Period

12.00096042 (\begin{matrix} + 5.761e-05 \\ - 5.761e-05 \end{matrix})

day

Eccentricity

—

Angular distance

—

ω

—

T_peri

—

Radius

0.168 (\begin{matrix} + 0.027 \\ - 0.014 \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 J19031736+4542428 b, K02397.01, KIC 9269042 b, KOI-2397 b, KOI-2397.01, WISE J190317.37+454242.6 b

Data Source	Type	Result Value	Result Figure	Notes	Reference

Molecule	Data Source	Type	Result Value	Result Figure	Notes	Reference

Star

Name

Kepler-1221 A

Distance

909.0 pc

Spectral type

G9/K0V

Apparent magnitude V

—

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

0.87 (\begin{matrix} + 0.04 \\ - 0.04 \end{matrix})

M_Sun

Age

4.57 (\begin{matrix} + 6.34 \\ - -2.81 \end{matrix})

Gyr

Effective temperature

5194.0 (\begin{matrix} + 45.8 \\ - 51.51 \end{matrix})

Radius

0.82 (\begin{matrix} + 0.05 \\ - 0.03 \end{matrix})

R_Sun

Metallicity [Fe/H]

0.09 (\begin{matrix} + 0.156 \\ - 0.163 \end{matrix})

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:03:17.4

Dec₂₀₀₀

+45:42:42.8

Alternate Names

2MASS J19031736+4542428, KIC 9269042, KOI-2397, WISE J190317.37+454242.6

Sullivan et al. (2024): A nearly equal K dwarf companion star is detected 0.19 arcseconds away (173 AUs at 909 pc).

No link

Simbad
Most recent references (ADS)

Planet Kepler-1221 Ab

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Planet Kepler-1221 Ab

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks Some remarks

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

Revising Properties of Planet-Host Binary Systems. IV. The Radius Distribution of Small Planets in Binary Star Systems is Dependent on Stellar Separation

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