TEPCat: K2-111


 

This page summarises the information held within TEPCat for the transiting planetary system K2-111. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017A+A...604A..16F  
Date of discovery paper 2017 / 4 / 28 y / m / d
Right ascension 03 59 33.54 h m s
Declination +21 17 55.3 d m s
V-band apparent magnitude 11.14 mag
K-band apparent magnitude 9.38 mag
Transit duration 0.133
( 3.19 )
day
hour
Transit depth 0.02 %
Time of mid-transit   2457067.9704 ± 0.0042     HJD or BJD
Orbital period 5.3518 ± 0.0004 days
Reference for orbital ephemeris   arXiv:2010.01993  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5775 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.46 ± 0.05 dex
Stellar mass 0.84 ± 0.02   Msun
Stellar radius 1.25 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.17 ± 0.01 c.g.s.
Stellar mean density 0.43 ± 0.02
( 0.607 ± 0.028 )
ρsun
g cm-3
Orbital eccentricity 0.13 +0.13 −0.09  
Orbital semimajor axis   0.0570 ± 0.0012  AU
Planetary mass 0.0166 ± 0.0024
( 5.28 ± 0.76 )
Mjup
Mearth
Planetary radius 0.162 +0.009 −0.09
( 1.82 +0.10 −1.01 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 3.6 ± 0.8
( 4.8 ± 1.1 )
ρjup
g cm-3
Planetary equilibrium temperature 1309 +71 −63 K
Reference of detailed study arXiv:2010.01993  

 

K2-111 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-111 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/01/04           John Southworth   (Keele University, UK)