Planet K2-32 Ac

Detailed information about planet K2-32 Ac and its parameters.

Planet parameters Publications Observability Predictor

Planet

Name

K2-32 Ac

Planet Status

Confirmed

Discovered in

2016

Update

2024-08-01

Mass

0.0255 (\pm 0.0076)

M_J 4 publications

Masses for the seven planets in K2-32 and K2-233. Four diverse planets in resonant chain and the first young rocky worlds
The Transit Least Squares Survey - I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance
Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes
Doppler Monitoring of five K2 Transiting Planetary Systems

Mass*sin(i)

—

Semi-Major Axis

0.1399 (\begin{matrix} + 0.0016 \\ - 0.0016 \end{matrix})

AU 1 publication

Transit least-squares survey. I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance

Orbital Period

20.66186 (\begin{matrix} + 0.00102 \\ - 0.00098 \end{matrix})

day 1 publication

Transit least-squares survey. I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance

Eccentricity

0.049 (\pm 0.005)

1 publication

Masses for the seven planets in K2-32 and K2-233. Four diverse planets in resonant chain and the first young rocky worlds

ω

168.0 (\pm 110.0)

deg 1 publication

Masses for the seven planets in K2-32 and K2-233. Four diverse planets in resonant chain and the first young rocky worlds

T_peri

—

Radius

0.244 (\begin{matrix} + 0.018 \\ - 0.014 \end{matrix})

R_J 1 publication

Transit least-squares survey. I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance

Inclination

89.4 (\pm 0.3)

deg 2 publications

Masses for the seven planets in K2-32 and K2-233. Four diverse planets in resonant chain and the first young rocky worlds
Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2456899.42344 (\pm 0.0017)

JD 2 publications

Masses for the seven planets in K2-32 and K2-233. Four diverse planets in resonant chain and the first young rocky worlds
Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths

Secondary transit

—

λ

—

Impact Parameter b

0.28 (\begin{matrix} + 0.1 \\ - 0.08 \end{matrix})

1 publication

Transit least-squares survey. I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance

Time V_r=0

—

Velocity Semiamplitude K

2.15 (\pm 0.65)

m/s 2 publications

Masses for the seven planets in K2-32 and K2-233. Four diverse planets in resonant chain and the first young rocky worlds
Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes

Calculated temperature

634.0 (\pm 10.0)

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

K2-32 c, WISE J164942.25-193234.6 c, EPIC 205071984 c, EPIC 205071984 Ac, EPIC 205071984.03 c, TIC 437444661 c, 2MASS J16494226-1932340 c

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

K2-32 A

Distance

158.39 (\begin{matrix} + 1.3 \\ - 1.3 \end{matrix})

Spectral type

G9/K0V

Apparent magnitude V

12.31

Mass

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

M_Sun

Age

—

Effective temperature

5315.0 (\pm 60.0)

K 1 publication

Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths

Radius

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

R_Sun

Metallicity [Fe/H]

— 1 publication

Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

16:49:42.3

Dec₂₀₀₀

-19:32:34.2

Alternate Names

EPIC 205071984, WISE J164942.25-193234.6, EPIC 205071984 AA, TIC 437444661A, 2MASS J16494226-1932340A

Mugrauer (2019): K2-32 forms a widely separated (a = 2346 AUs) binary system with an M dwarf star.

No link

Simbad
Most recent references (ADS)

Planet K2-32 Ac

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 4 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Planet K2-32 Ac

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 4 planets

Remarks Some remarks

Other web pages No page

More data 2 references

Related publications

Gaia Search for (sub)stellar Companions of Exoplanet Hosts

Confirming Resonance in Three Transiting Systems

The GALAH Survey: Improving our understanding of confirmed and candidate planetary systems with large stellar surveys

Masses for the seven planets in K2-32 and K2-233. Four diverse planets in resonant chain and the first young rocky worlds

Transit least-squares survey. I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance

The Transit Least Squares Survey - I. Discovery and validation of an Earth-sized planet in the four-planet system K2-32 near the 1:2:5:7 resonance

Search for stellar companions of exoplanet host stars by exploring the second ESA-Gaia data release

Close-in sub-Neptunes reveal the past rotation history of their host stars: atmospheric evolution of planets in the HD3167 and K2-32 planetary systems

Four Sub-Saturns with Dissimilar Densities: Windows into Planetary Cores and Envelopes

Doppler Monitoring of five K2 Transiting Planetary Systems

197 Candidates and 104 Validated Planets in K2’s First Five Fields

Eleven Multi-planet Systems from K2 Campaigns 1 & 2 and the Masses of Two Hot Super-Earths