TEPCat: K2-19c


 

This page summarises the information held within TEPCat for the transiting planetary system K2-19c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015A+A...582A..33A  
Date of discovery paper 2015 / 3 / 3 y / m / d
Right ascension 11 39 50.48 h m s
Declination +00 36 12.9 d m s
V-band apparent magnitude 13.00 mag
K-band apparent magnitude 11.16 mag
Transit duration 0.1536
( 3.686 )
day
hour
Transit depth 0.25 %
Time of mid-transit   2456817.2755 ± 0.0022     HJD or BJD
Orbital period 11.90727 ± 0.00006 days
Reference for orbital ephemeris   2015MNRAS.454.4267B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5430 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.10 ± 0.04 dex
Stellar mass 0.93 ± 0.05   Msun
Stellar radius 0.86 ± 0.04 Rsun
Stellar logarithmic surface gravity 4.63 ± 0.07 c.g.s.
Stellar mean density 1.23 ± 0.33
( 1.74 ± 0.47 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.82 −0.0  
Orbital semimajor axis   0.1001 ± 0.0029  AU
Planetary mass 0.081 ± 0.022
( 25.7 ± 7.0 )
Mjup
Mearth
Planetary radius 0.402 ± 0.042
( 4.51 ± 0.47 )
Rjup
Rearth
Planetary surface gravity 9.0 +2.1 −2.6
2.95 +0.09 −0.15
m/s2
log(cgs)
Planetary mean density 0.89 ± 0.43
( 1.18 ± 0.57 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2016ApJ...823..115D  

 

K2-19c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-19c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/11           John Southworth   (Keele University, UK)