TEPCat: K2-199c


 

This page summarises the information held within TEPCat for the transiting planetary system K2-199c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018AJ....155..136M  
Date of discovery paper 2018 / 2 / 14 y / m / d
Right ascension 13 55 36.41 h m s
Declination −06 08 10.1 d m s
V-band apparent magnitude 12.29 mag
K-band apparent magnitude 10.28 mag
Transit duration 0.1022
( 2.453 )
day
hour
Transit depth 0.18 %
Time of mid-transit   2457222.93034 ± 0.00035     HJD or BJD
Orbital period 7.3744897 ± 0.0000037 days
Reference for orbital ephemeris   arXiv:2110.05502  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4491 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.01 ± 0.09 dex
Stellar mass 0.711 +0.022 −0.024   Msun
Stellar radius 0.682 ± 0.014 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.03 +0.06 −0.03  
Orbital semimajor axis   0.0662 ± 0.0007  AU
Planetary mass 0.039 ± 0.007
( 12.4 ± 2.2 )
Mjup
Mearth
Planetary radius 0.254 +0.009 −0.008
( 2.847 +0.101 −0.090 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 2.2 ± 0.5
( 2.92 ± 0.66 )
ρjup
g cm-3
Planetary equilibrium temperature 694 ± 17 K
Reference of detailed study arXiv:2110.05502  

 

K2-199c does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-199c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)