TEPCat: K2-34


 

This page summarises the information held within TEPCat for the transiting planetary system K2-34. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016A+A...594A..50L  
Date of discovery paper 2016 / 1 / 29 y / m / d
Right ascension 08 30 18.90 h m s
Declination +22 14 09.3 d m s
V-band apparent magnitude 11.45 mag
K-band apparent magnitude 10.19 mag
Transit duration 0.1026
( 2.462 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2457141.35103 ± 0.00043     HJD or BJD
Orbital period 2.9956675 ± 0.0000073 days
Reference for orbital ephemeris   2016A+A...594A..50L  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6131 ± 47 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.121 ± 0.053 dex
Stellar mass 1.204 ± 0.031   Msun
Stellar radius 1.383 ± 0.046 Rsun
Stellar logarithmic surface gravity 4.236 ± 0.025 c.g.s.
Stellar mean density 0.356 ± 0.044
( 0.502 ± 0.062 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.04328 ± 0.00037  AU
Planetary mass 1.649 ± 0.098
( 524 ± 31 )
Mjup
Mearth
Planetary radius 1.217 ± 0.053
( 13.64 ± 0.59 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.92 ± 0.14
( 1.22 ± 0.19 )
ρjup
g cm-3
Planetary equilibrium temperature 1670 ± 26 K
Reference of detailed study 2016A+A...594A..50L  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Hirano et al. (2016)   −1   + 10   - 9  

 

 

K2-34 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)