Planet TOI-561 b

Name TOI-561 b
Planet Status Confirmed
Discovered in 2020
Mass 0.00705 (± 0.0006) MJ +
Mass*sin(i)
Semi-Major Axis 0.0106 (± 0.0004) AU +
Orbital Period 0.4465688 (± 8e-07) day +
Eccentricity 0.0
ω
Tperi
Radius 0.1222 (± 0.0036) RJ +
Inclination
Update 2022-10-14
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2458517.4988 ( -0.003 +0.0022 ) JD
Secondary transit
λ
Impact Parameter b 0.3 (± 0.2)
Time Vr=0
Velocity Semiamplitude K 2.18 (± 0.2) m/s +
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names

Star

TOI-561
Name TOI-561
Distance 86.01 (± 0.4) pc
Spectral type
Apparent magnitude V 9.5
Mass 0.805 (± 0.03) MSun
Age 10.0 (± 3.0) Gyr
Effective temperature 5326.0 (± 64.0) K
Radius 0.832 (± 0.019) RSun
Metallicity [Fe/H] -0.4 (± 0.05)
Detected Disc
Magnetic Field
RA2000 09:52:44.0
Dec2000 +06:12:58
Alternate Names
Planetary system
4 planets

More data


Related publications

TOI-561 b: A Low Density Ultra-Short Period "Rocky" Planet around a Metal-Poor Star
2022 BRINKMAN C., WEISS L., DAI F., HUBER D., KITE E. et al.
Astron. J., submitted
arxiv  

Investigating the architecture and internal structure of the TOI-561 system planets with CHEOPS, HARPS-N and TESS
2022 LACEDELLI G., WILSON T., MALAVOLTA L., HOOTON M., COLLIER CAMERON A. et al.
MNRAS, 511, 4551
paper   arxiv

The TESS-Keck Survey. II. An Ultra-short-period Rocky Planet and Its Siblings Transiting the Galactic Thick-disk Star TOI-561
2021 WEISS L., DAI F., HUBER D., BREWER J., COLLINS K., CIARDI D. et al.
Astron. J., 161, 56
paper  arxiv  

An unusually low density ultra-short period super-Earth and three mini-Neptunes around the old star TOI-561
2020 LACEDELLI G., MALAVOLTA L., BORSATO L., PIOTTO G., NARDIELLO D. et al.
MNRAS, in press
paper  arxiv