Planet K2-280 b

Detailed information about planet K2-280 b and its parameters.

Planet parameters Publications Observability Predictor Exo3D

Planet

Name

K2-280 b

Planet Status

Confirmed

Discovered in

2018

Publication Status

—

Update

2021-02-05

Mass

0.1167 (\pm 0.0176)

M_J 1 publication

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

Mass*sin(i)

—

Semi-Major Axis

0.1488 (\begin{matrix} + 0.0019 \\ - 0.002 \end{matrix})

AU 1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Orbital Period

19.895202 (\begin{matrix} + 0.000774 \\ - 0.000753 \end{matrix})

day 1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Eccentricity

0.35 (\pm 0.05)

1 publication

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

Angular distance

—

ω

246.77 (\begin{matrix} + 4.54 \\ - 5.28 \end{matrix})

deg 1 publication

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

T_peri

2457315.06 (\begin{matrix} + 0.38 \\ - 0.44 \end{matrix})

JD 1 publication

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

Radius

0.684 (\begin{matrix} + 0.023 \\ - 0.023 \end{matrix})

R_J 1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Inclination

89.4 (\pm 0.37)

deg 1 publication

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

Detection Method

Primary Transit

Mass Meas. Method

Radial Velocity

Radius Meas. Method

Primary Transit

Primary transit

2457307.58114 (\pm 0.00056)

JD 1 publication

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

Secondary transit

—

λ

—

Impact Parameter b

0.45 (\begin{matrix} + 0.17 \\ - 0.24 \end{matrix})

1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Time V_r=0

—

Velocity Semiamplitude K

9.18 (\pm 1.27)

m/s 1 publication

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

Calculated temperature

744.0 (\begin{matrix} + 15.0 \\ - 15.0 \end{matrix})

K 1 publication

Sixty Validated Planets from K2 Campaigns 5-8

Measured temperature

—

Hottest point longitude

—

Geometric albedo

—

Surface gravity log(g/g_H)

—

Alternate Names

2MASS J19262288-2214514 b, EPIC 216494238 b, EPIC 216494238.01, WISE J192622.88-221451.6 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

K2-280

Distance

396.9 (\begin{matrix} + 7.31 \\ - 7.31 \end{matrix})

Spectral type

—

Apparent magnitude V

12.5

Apparent magnitude I

—

Apparent magnitude J

—

Apparent magnitude H

—

Apparent magnitude K

—

Mass

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

M_Sun

Age

8.96 (\pm 1.7)

Gyr 1 publication

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

Effective temperature

5742.0 (\begin{matrix} + 90.0 \\ - 90.0 \end{matrix})

Radius

1.28 (\pm 0.07)

R_Sun 1 publication

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

Metallicity [Fe/H]

0.3 (\begin{matrix} + 0.05 \\ - 0.05 \end{matrix})

Detected Disc

—

Magnetic Field

—

RA₂₀₀₀

19:26:22.9

Dec₂₀₀₀

-22:14:51.6

Alternate Names

2MASS J19262288-2214514, EPIC 216494238, WISE J192622.88-221451.6

No remarks

No link

Simbad
Most recent references (ADS)

Planet K2-280 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Planet K2-280 b

Planet

Basic informations 30 parameters

Atmospheric parameters : Temperatures 0 temperatures

Atmospheric parameters : Molecules 0 molecules

Remarks No remark

Other web pages No page

Star

Basic informations 17 parameters

Planetary system 1 planet

Remarks No remark

Other web pages No page

More data 2 references

Related publications

Spin-Orbit Geometry of AU Mic b and c from Back-to-Back Transits Observed Contemporaneously with Magellan PFS, LCOGT, and CHEOPS

K2-280b -- a low density warm sub-Saturn around a mildly evolved star

Sixty Validated Planets from K2 Campaigns 5-8