TEPCat: K2-8c


 

This page summarises the information held within TEPCat for the transiting system K2-8c. 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 11 19 10.48 h m s
Declination −00 17 03.8 d m s
V-band apparent magnitude 14.29 mag
K-band apparent magnitude 12.24 mag
Transit duration 0.087
( 2.09 )
day
hour
Transit depth 0.15 %
Time of mid-transit   2456813.0707 ± 0.0033     HJD or BJD
Orbital period 5.06416 ± 0.00041 days
Reference for orbital ephemeris   2016ApJ...827...78S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4890 +38 −58 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.01 +0.11 −0.13 dex
Stellar mass 0.79 +0.03 −0.04   Msun
Stellar radius 0.74 +0.02 −0.03 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0532 ± 0.0009  AU
Planetary mass Mjup
Mearth
Planetary radius 0.215 ± 0.030
( 2.41 ± 0.34 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 801 ± 23 K
Reference of detailed study 2016ApJ...827...78S  

 

K2-8c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-8c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)