TEPCat: K2-5b


 

This page summarises the information held within TEPCat for the transiting system K2-5b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015ApJ...809...25M  
Date of discovery paper 2015 / 3 / 27 y / m / d
Right ascension 11 17 12.84 h m s
Declination −01 52 40.7 d m s
V-band apparent magnitude 14.91 mag
K-band apparent magnitude 11.59 mag
Transit duration 0.111
( 2.66 )
day
hour
Transit depth 0.11 %
Time of mid-transit   2456808.86360 ± 0.00610     HJD or BJD
Orbital period 5.73501 ± 0.00058 days
Reference for orbital ephemeris   2015ApJ...809...25M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4102 +45 −41 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.51 +0.04 −0.06 dex
Stellar mass 0.53 ± 0.01   Msun
Stellar radius 0.52 ± 0.01 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0509 ± 0.0004  AU
Planetary mass Mjup
Mearth
Planetary radius 0.171 ± 0.021
( 1.92 ± 0.24 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 634 ± 12 K
Reference of detailed study 2015ApJ...809...25M  

 

K2-5b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-5b 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)