TEPCat: K2-29


 

This page summarises the information held within TEPCat for the transiting planetary system K2-29. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...824...55S  
Date of discovery paper 2016 / 1 / 29 y / m / d
Right ascension 04 10 40.96 h m s
Declination +24 24 07.4 d m s
V-band apparent magnitude 12.56 mag
K-band apparent magnitude 10.06 mag
Transit duration 0.0887
( 2.129 )
day
hour
Transit depth 1.9 %
Time of mid-transit   2453219.0095 ± 0.0022     HJD or BJD
Orbital period 3.2588321 ± 0.0000019 days
Reference for orbital ephemeris   2016ApJ...824...55S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5358 ± 38 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.16 ± 0.03 dex
Stellar mass 0.94 ± 0.02   Msun
Stellar radius 0.86 ± 0.01 Rsun
Stellar logarithmic surface gravity 4.549 ± 0.012 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.066 ± 0.022  
Orbital semimajor axis   0.04217 ± 0.00024  AU
Planetary mass 0.73 ± 0.04
( 232 ± 12 )
Mjup
Mearth
Planetary radius 1.19 ± 0.02
( 13.34 ± 0.22 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.43 ± 0.03
( 0.570 ± 0.040 )
ρjup
g cm-3
Planetary equilibrium temperature 1171 ± 10 K
Reference of detailed study 2016ApJ...824...55S  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Santerne et al. (2016)   1.5   ±   8.7  

 

 

K2-29 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)