TEPCat: K2-26b


 

This page summarises the information held within TEPCat for the transiting planetary system K2-26b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...818...87S  
Date of discovery paper 2016 / 1 / 13 y / m / d
Right ascension 06 16 49.58 h m s
Declination +24 35 47.1 d m s
V-band apparent magnitude 14.53 mag
K-band apparent magnitude 10.53 mag
Transit duration 0.197
( 4.73 )
day
hour
Transit depth 0.25 %
Time of mid-transit   2456775.16503 ± 0.00050     HJD or BJD
Orbital period 14.568101 ± 0.000020 days
Reference for orbital ephemeris   2016ApJ...822...39B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3785 ± 185 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.13 ± 0.15 dex
Stellar mass 0.560 ± 0.100   Msun
Stellar radius 0.520 ± 0.080 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density 2.8 ± 1.0
( 4.0 ± 1.4 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0962 +0.0054 −0.0061  AU
Planetary mass Mjup
Mearth
Planetary radius 0.220 ± 0.036
( 2.47 ± 0.40 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 430 K
Reference of detailed study 2016ApJ...822...39B  

 

K2-26b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-26b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


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