Planet pi Men c

Name pi Men c
Planet Status Confirmed
Discovered in 2018
Mass 0.01517 ( -0.00271 +0.00264 ) MJ
Mass*sin(i)
Semi-Major Axis 0.06839 (± 0.0005) AU
Orbital Period 6.2682 (± 0.00024) day
Eccentricity
ω
Tperi
Radius 0.1909 (± 0.00393) RJ
Inclination 87.27 (± 0.07) deg
Update 2018-09-19
Detection Method Primary Transit
Mass Detection Method Radial Velocity
Radius Detection Method Primary Transit
Primary transit 2458325.5034 (± 0.0007) JD
Secondary transit
λ
Impact Parameter b 0.59 (± 0.02)
Time Vr=0
Velocity Semiamplitude K 1.58 ( -0.28 +0.26 ) m/s
Calculated temperature 1169.8 ( -4.3 +2.8 ) K
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 39091 c

Star

HD 39091
Name HD 39091
Distance 18.32 (± 0.09) pc
Spectral type G1 IV
Apparent magnitude V 5.67
Mass 1.1 MSun
Age 3.83 Gyr
Effective temperature 5888.0 K
Radius 2.1 (± 0.6) RSun
Metallicity [Fe/H] 0.09
Detected Disc
Magnetic Field
RA2000 05:37:09.0
Dec2000 -80:28:08
Alternate Names
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

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., submitted
arxiv  

On the Ages of Exoplanet Host Stars
2005 SAFFE C., GOMEZ M. & CHAVERO C.
Astron. & Astrophys., 443, 609
paper   arxiv

The Geneva-Copenhagen survey of the Solar neighbourhood. Ages, metallicities, and kinematic properties of ~14000 F and G dwarfs.
2004 NORDSTROM B., MAYOR M., ANDERSEN J., HOLMBERG J., PONT F., JORGENSEN B., OLSEN E., UDRY S. & MOWLAVI N.
Astron. & Astrophys., 419, 989
paper

A probable planetary companion to HD 39091 from the Anglo-Australian Planet Search.
2002 JONES H., BUTLER P., TINNEY C., MARCY G., PENNY A., McCARTHY C., CARTER B. & POURBAIX D.
MNRAS, 333, 871
paper

Catalogue of Stellar Diameters and Absolute Radii of Stars (CADARS) - Third edition -Comments and statistics
2000 PASINITTI-FRASCANI L., PASTORI L., COVINO S. & POZZI A.
Astron. & Astrophys., 367, 521
paper