TEPCat: K2-199b


 

This page summarises the information held within TEPCat for the transiting planetary system K2-199b. 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 0.0840
( 2.016 )
day
hour
Transit depth 0.08 %
Time of mid-transit   2457218.73733 ± 0.00053     HJD or BJD
Orbital period 3.2253993 ± 0.0000024 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 0.02 +0.03 −0.02  
Orbital semimajor axis   0.0382 ± 0.0004  AU
Planetary mass 0.022 ± 0.006
( 7.0 ± 1.9 )
Mjup
Mearth
Planetary radius 0.154 +0.005 −0.004
( 1.726 +0.056 −0.045 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 5.4 +1.6 −1.5
( 7.2 +2.1 −2.0 )
ρjup
g cm-3
Planetary equilibrium temperature 913 ± 23 K
Reference of detailed study arXiv:2110.05502  

 

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

 

K2-199b 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)