TEPCat: K2-15b


 

This page summarises the information held within TEPCat for the transiting system K2-15b. 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 52 26.59 h m s
Declination +04 15 17.1 d m s
V-band apparent magnitude 14.66 mag
K-band apparent magnitude 12.49 mag
Transit duration 0.0
( 0. )
day
hour
Transit depth 0.12 %
Time of mid-transit   2456811.84920 ± 0.00810     HJD or BJD
Orbital period 11.81037 ± 0.00170 days
Reference for orbital ephemeris   2015ApJ...809...25M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5131 +69 −55 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.46 +0.20 −0.14 dex
Stellar mass 0.72 +0.06 −0.03   Msun
Stellar radius 0.68 +0.06 −0.03 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0910 ± 0.0018  AU
Planetary mass Mjup
Mearth
Planetary radius 0.221 ± 0.027
( 2.48 ± 0.30 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 676 ± 26 K
Reference of detailed study 2015ApJ...809...25M  

 

K2-15b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-15b 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)