Planet K2-146 c

Name	K2-146 c
Planet Status	Confirmed
Discovered in	2019
Mass	0.02358 ( -0.00031 +0.00031 ) MJ
Mass*sin(i)	—
Semi-Major Axis	0.034 (± 0.001) AU
Orbital Period	4.00498 (± 0.00011) day
Eccentricity	0.075 (± 0.016)
ω	130.0 (± 5.0) deg
Tperi	—
Radius	0.195 ( -0.006 +0.006 ) RJ
Inclination	87.54 (± 0.04) deg
Update	2021-02-05
Detection Method	Primary Transit
Mass Detection Method	TTV
Radius Detection Method	Primary Transit
Primary transit	2458204.1316 (± 0.0007) JD
Secondary transit	—
λ	—
Impact Parameter b	—
Time Vr=0	—
Velocity Semiamplitude K	—
Calculated temperature	—
Measured temperature	—
Hottest point longitude	—
Geometric albedo	—
Surface gravity log(g/gH)	—
Alternate Names	2MASS J08400641+1905346 c, EPIC 211924657 c, WISE J084006.41+190533.1 c

Star

K2-146

Name	K2-146
Distance	79.31 (± 0.45) pc
Spectral type	M3.0 V
Apparent magnitude V	16.25
Mass	0.33 ( -0.01 +0.01 ) MSun
Age	5.0 ( --2.0 +4.0 ) Gyr
Effective temperature	3385.0 (± 70.0) K
Radius	0.33 (± 0.01) RSun
Metallicity [Fe/H]	-0.02 (± 0.12)
Detected Disc	—
Magnetic Field	—
RA2000	08:40:06.4
Dec2000	+19:05:34
Alternate Names	UCAC3 219-93463, 2MASS J08400641+1905346, K2-146, EPIC 211924657, WISE J084006.41+190533.1
Planetary system	2 planets

More data

• Simbad
• Most recent references (ADS)

Related publications

K2-146: Discovery of Planet c, Precise Masses from Transit Timing, and Observed Precession
2019 HAMANN A., MONTET B., FABRYCKY D. & AGOL E.
Astron. J., 158, 133
paper  arxiv  

Exoplanets around Low-mass Stars Unveiled by K2
2018 HIRANO T., DAI F., GANDOLFI D., FUKUI A., LIVINGSTON J. et al.
ApJ, 155, 127
paper  arxiv