TEPCat: pi Men c


 

This page summarises the information held within TEPCat for the transiting planetary system pi Men c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1809.05967  
Date of discovery paper 2018 / 9 / 18 y / m / d
Data/telescope used for discovery TESS  
Right ascension 05 37 09.89 h m s
Declination −80 28 08.8 d m s
Right ascension (decimal) 84.29121 degrees
Declination (decimal) -80.46911 degrees
V-band apparent magnitude 5.67 mag
K-band apparent magnitude 4.24 mag
Transit duration 0.1246
( 2.990 )
day
hour
Transit depth 0.03 %
Time of mid-transit   2458509.8068 ± 0.0003     HJD or BJD
Orbital period 6.267852 ± 0.000016 days
Reference for orbital ephemeris   arXiv:2007.06410  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5998 ± 62 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.09 ± 0.04 dex
Stellar mass 1.091 ± 0.031   Msun
Stellar radius 1.190 ± 0.004 Rsun
Stellar logarithmic surface gravity 4.365 ± 0.007 c.g.s.
Stellar mean density 0.7442 ± 0.0009
( 1.0501 ± 0.0013 )
ρsun
g cm-3
Orbital eccentricity 0.066 +0.086 −0.047  
Orbital semimajor axis   0.06876 ± 0.00065  AU
Planetary mass 0.0114 ± 0.0012
( 3.62 ± 0.38 )
Mjup
Mearth
Planetary radius 0.1914 ± 0.0013
( 2.145 ± 0.015 )
Rjup
Rearth
Planetary surface gravity 11.0 +1.9 −9.5
3.04 +0.07 −0.87
m/s2
log(cgs)
Planetary mean density 2.1 ± 0.4
( 2.79 ± 0.53 )
ρjup
g cm-3
Planetary equilibrium temperature 1170 +2.8 −4.3 K
Reference of detailed study arXiv:2203.01018  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Hozdic et al. (2020)   −24.0   ±   4.1  

 

 

pi Men c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)