Planet L 98-59 b

Name L 98-59 b
Planet Status Confirmed
Discovered in 2018
Mass 0.0013 (± 0.0005) MJ
Mass*sin(i)
Semi-Major Axis 0.02191 ( -0.00084 +0.0008 ) AU +
Orbital Period 2.2531136 ( -1.5e-06 +1.2e-06 ) day +
Eccentricity 0.1 ( -0.045 +0.117 ) +
ω 192.0 ( -155.0 +70.0 ) deg
Tperi
Radius 0.0758 ( -0.0036 +0.005505 ) RJ +
Inclination 87.71 ( -0.44 +1.16 ) deg
Update 2021-08-06
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2451365.204 JD +
Secondary transit
λ
Impact Parameter b 0.53 ( -0.22 +0.14 ) +
Time Vr=0
Velocity Semiamplitude K 0.46 ( -0.17 +0.2 ) m/s
Calculated temperature 627.0 (± 36.0) K +
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names TOI-175 b

Star

L 98-59
Name L 98-59
Distance 10.623 (± 0.03) pc
Spectral type
Apparent magnitude V 11.7
Mass 0.32 (± 0.03) MSun
Age
Effective temperature 3500.0 (± 150.0) K +
Radius 0.291 (± 0.025) RSun +
Metallicity [Fe/H] -0.5 (± 0.5)
Detected Disc
Magnetic Field
RA2000 08:10:08.0
Dec2000 -68:18:47
Alternate Names TOI-175
Planetary system
4 planets

More data


Related publications

Warm terrestrial planet with half the mass of Venus transiting a nearby star
2021 DEMANGEON O., ZAPATERO OSORIO M.-R., ALIBERT Y., BARROS S., ADIBEKYAN V. et al.
Astron. & Astrophys., 653, A41
paper   arxiv

L 98-59: a Benchmark System of Small Planets for Future Atmospheric Characterization
2021 PIDHORODETSKA D., MORAN S., SCHWIETERMAN E., BARCLAY Th., FAUCHEZ Th. et al.
Astron. J., 162, 169
paper   arxiv  

Characterization of the L 98-59 multiplanetary system with HARPS. Mass characterization of a hot super-Earth, a sub-Neptune, and a mass upper limit on the third planet
2019 CLOUTIER R., ASTUDILLO-DEFRU N., BONFILS X., JENKINS J., RICKER G. et al.
Astron. & Astrophys., 629, A111
paper  arxiv  

The L 98-59 System: Three Transiting, Terrestrial-Sized Planets Orbiting a Nearby M-dwarf
2019 KOSTOV V., SCHLIEDER J., BARCLAY Th., QUINTANA E., CO0LON K. et al.
Astron. J., 158, 32
paper  arxiv  

A compact system of small characterizable planets at 11 pc
2019 SCHLIEDER J.
Bay Arae Exoplanet Meeting
paper

TESS Data Alerts
2018 TESS Team
TESS Data Products
link