Planet pi Men c

Name pi Men c
Planet Status Confirmed
Discovered in 2018
Mass 0.01517 (± 0.00267) MJ
Mass*sin(i)
Semi-Major Axis 0.06702 (± 0.0005) AU +
Orbital Period 6.26784 (± 1e-05) day +
Eccentricity 0.15 (± 0.15)
ω
Tperi
Radius 0.16719 ( -0.004532 +0.004247 ) RJ +
Inclination 87.553 (± 0.18) deg +
Update 2020-07-23
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2458325.50306 (± 0.00077) JD +
Secondary transit
λ 336.0 (± 4.1) deg
Impact Parameter b 0.5738 (± 0.03) +
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

Strong Scatterings of Cold Jupiters and their Influence on Inner Low-mass Planet Systems: Theory and Simulations
2020 PU B. & LAI D.
MNRAS, submitted
arxiv  

Stellar wind effects on the atmospheres of close-in giants: a possible reduction in escape instead of increased erosion
2020 VIDOTTO A. & CLEARY A.
MNRAS, 494, 2417
paper   arxiv

Three-dimensional hydrodynamic simulations of the upper atmosphere of pi Men c: Comparison with Ly alpha transit observations
2020 SHAIKHISLAMOV I., FOSSATI L., KHODACHENKO M., LAMMER H., GARCIA MU&Numl;OZ A. et al.
Astron. & Astrophys., 639, A109
paper

Evidence for a high mutual inclination between the cold Jupiter and transiting super Earth orbiting π Men
2020 XUAN J. & WYATT M.
MNRAS, 497, 2096
paper  arxiv  

Orbital misalignment of the super-Earth π Men c with the spin of its star
2020 HODZIC V., TRIAUD A., CEGIA H., CHAPLIN W. & DAVIES G.
MNRAS, submitted
arxiv  

A precise architecture characterization of the π Men planetary system
2020 DAMASSO M., SOZZETTI A., LOVIS Ch., BARROS S., SOUSA S. et al.
Astron. & Astrophys., accepted
  arxiv

A significant mutual inclination between the planets within the π Mensae system
2020 DE ROSA R., DAWSON R. & NIELSEN E.
Astron. & Astrophys., 640, A73
paper    arxiv

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  

Is pi Men c's atmosphere hydrogen-dominated? Insights from a non-detecton of Hy Ly-alpha absorption
2019 GARCIA MU&Numl;OZ A., YOUNGBLOOD A., FOSSATI L., GANDOLFI D., CABRERA J. & RAUER H.
lett, accepted
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, 131, 094502
paper   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  

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