Planet LTT 3780 b

Name LTT 3780 b
Planet Status Confirmed
Discovered in 2020
Mass 0.00982 (± 0.0016) MJ
Mass*sin(i)
Semi-Major Axis 0.012 AU
Orbital Period 0.7683881 (± 8.4e-05) day
Eccentricity 0.064 ( -0.046 +0.075 )
ω 251.0 (± 66.0) deg
Tperi
Radius 0.11883 (± 0.00669) RJ
Inclination 85.9 ( -0.5 +0.59 ) deg
Update 2020-03-04
Detection Method Primary Transit
Mass Detection Method Spectrum
Radius Detection Method Primary Transit
Primary transit 2458543.91281 ( -0.00052 +0.00048 ) JD
Secondary transit
λ
Impact Parameter b 0.518 ( -0.089 +0.059 )
Time Vr=0
Velocity Semiamplitude K
Calculated temperature 892.0 K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names TOI-732 b, LP 729-54 b

Star

LTT 3780
Name LTT 3780
Distance 21.981 (± 0.04) pc
Spectral type M4V
Apparent magnitude V 13.0
Mass 0.401 (± 0.012) MSun
Age
Effective temperature 3360.0 (± 51.0) K +
Radius 0.374 (± 0.011) RSun
Metallicity [Fe/H] 0.28 (± 0.13)
Detected Disc
Magnetic Field
RA2000 10:18:35.0
Dec2000 -11:43:04
Alternate Names TOI-732, LP 729-54
Planetary system
2 planets

More data


Related publications

A pair of TESS planets spanning the radius valley around the nearby mid-M dwarf LTT 3780
2020 CLOUTIER R., EASTMAN J., RODRIGUEZ J., ASTUDILLO-DEFRU N., BONFILS X. et al.
Astron. J., 160, 3
paper   arxiv  

The CARMENES search for exoplanets around M dwarfs. Two planets on the opposite sides of the radius gap transiting the nearby M dwarf LP 729-54
2020 NOWAK G., LUQUE R., PARVIAINEN H., PALLE E., MOLAVERDIKHANI K. et al.
Astron. & Astrophys., 642, A173
paper  arxiv