TEPCat: K2-38c


 

This page summarises the information held within TEPCat for the transiting planetary system K2-38c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...827...78S  
Date of discovery paper 2015 / 12 / 1 y / m / d
Right ascension 16 00 08.06 h m s
Declination −23 11 21.4 d m s
V-band apparent magnitude 11.39 mag
K-band apparent magnitude 9.47 mag
Transit duration 0.11
( 2.6 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2456900.4752 ± 0.0033     HJD or BJD
Orbital period 10.56103 ± 0.00090 days
Reference for orbital ephemeris   2016ApJ...827...78S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5757 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.28 ± 0.04 dex
Stellar mass 1.03 +0.04 −0.02   Msun
Stellar radius 1.06 +0.09 −0.06 Rsun
Stellar logarithmic surface gravity 4.38 ± 0.11 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.161 +0.096 −0.068  
Orbital semimajor axis   0.09514 +0.00091 −0.00094  AU
Planetary mass 0.0261 ± 0.0041
( 8.3 ± 1.3 )
Mjup
Mearth
Planetary radius 0.204 ± 0.023
( 2.29 ± 0.26 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 2.9 +1.4 −0.8
( 3.8 +1.9 −1.1 )
ρjup
g cm-3
Planetary equilibrium temperature 916 +32 −37 K
Reference of detailed study arXiv:2007.01081  

 

K2-38c does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-38c 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)