Planet pi Men c

Name pi Men c
Planet Status Confirmed
Discovered in 2018
Mass 0.01422 (± 0.00255) MJ
Mass*sin(i)
Semi-Major Axis 0.06702 (± 0.0005) AU +
Orbital Period 6.26834 (± 0.00024) day +
Eccentricity
ω
Tperi
Radius 0.1838 (± 0.0027) RJ +
Inclination 87.31 (± 0.11) deg +
Update 2019-02-28
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2458325.50306 (± 0.00077) JD +
Secondary transit
λ
Impact Parameter b 0.614 (± 0.018)
Time Vr=0
Velocity Semiamplitude K 1.55 (± 0.27) m/s +
Calculated temperature 1147.0 (± 12.0) K +
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 39091 c

Star

pi Men
Name pi Men
Distance 18.37 (± 0.02) pc
Spectral type G0V
Apparent magnitude V 5.67
Mass 1.094 (± 0.039) MSun
Age 2.98 (± 1.4) Gyr
Effective temperature 6037.0 (± 45.0) K
Radius 1.1 (± 0.023) RSun
Metallicity [Fe/H] 0.08 (± 0.03)
Detected Disc
Magnetic Field
RA2000 05:37:09.9
Dec2000 -80:28:09
Alternate Names HD 39091
Planetary system
2 planets

More data

Observability Predictor

Remarks

19 Sep 2018 <:b> pi Men c is the second planet of the planetary system around HD 39091 for which the planet HD 39091 b has benn discovered in 2011. pi Men c is the name given by Huang et al. (2018).

Related publications

The XUV irradiation and likely atmospheric escape of the super-Earth π Men c
2019 KING G., WHEATLEY P., BOURRIER V. & EHRENREICH D.
MNRAS, 484, L49
paper  arxiv  

eleanor: An open-source tool for extracting light curves from the TESS Full-Frame Images
2019 FEINSTEIN A., MONTET B., FOREMAN-MACKEY D., BEDELL M., SAUNDERS N. et al.
PASP, submitted
arxiv  

TESS Discovery of a Transiting Super-Earth in the Π Mensae System
2018 HUANG Ch., BURT J., VANDERBURG A., GÜNTHER M., SHPORER A. et al.
Res. Notes AAS, submitted
arxiv  

TESS's first planet: a super-Earth transiting the naked-eye star π Mensae
2018 GANDOLFI D., BARRAGAN O., LIVINGSTON J., FRIDLUND M., JUSTESEN A. et al.
Astron. & Astrophys., 619, L10
paper  arxiv