TEPCat: K2-107


 

This page summarises the information held within TEPCat for the transiting planetary system K2-107. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017AJ....153..130E  
Date of discovery paper 2016 / 11 / 14 y / m / d
Right ascension 18 59 56.49 h m s
Declination −22 17 36.3 d m s
V-band apparent magnitude 12.92 mag
K-band apparent magnitude 11.21 mag
Transit duration 0.133
( 3.19 )
day
hour
Transit depth 0.66 %
Time of mid-transit   2457304.5244 ± 0.0002     HJD or BJD
Orbital period 3.31392 ± 0.00002 days
Reference for orbital ephemeris   2017AJ....153..130E  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6030 ± 120 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.10 ± 0.10 dex
Stellar mass 1.30 ± 0.14   Msun
Stellar radius 1.78 ± 0.16 Rsun
Stellar logarithmic surface gravity 4.05 ± 0.07 c.g.s.
Stellar mean density 0.23 ± 0.04
( 0.325 ± 0.056 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.21 −0.0  
Orbital semimajor axis   0.048 ± 0.005  AU
Planetary mass 0.84 ± 0.08
( 267 ± 25 )
Mjup
Mearth
Planetary radius 1.44 ± 0.15
( 16.1 ± 1.7 )
Rjup
Rearth
Planetary surface gravity 10.0 +1.7 −1.5
3.00 +0.07 −0.07
m/s2
log(cgs)
Planetary mean density 0.26 ± 0.08
( 0.34 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1780 ± 90 K
Reference of detailed study 2017AJ....153..130E  

 

K2-107 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-107 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/05           John Southworth   (Keele University, UK)