TEPCat: K2-30


 

This page summarises the information held within TEPCat for the transiting planetary system K2-30. 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 03 29 22.07 h m s
Declination +22 17 57.9 d m s
V-band apparent magnitude 13.53 mag
K-band apparent magnitude 11.09 mag
Transit duration 0.0984
( 2.362 )
day
hour
Transit depth 1.7 %
Time of mid-transit   2457063.80699 ± 0.00017     HJD or BJD
Orbital period 4.098513 ± 0.000018 days
Reference for orbital ephemeris   2016A+A...594A..50L  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5582 ± 39 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.137 ± 0.031 dex
Stellar mass 0.984 ± 0.020   Msun
Stellar radius 0.941 ± 0.038 Rsun
Stellar logarithmic surface gravity 4.484 ± 0.039 c.g.s.
Stellar mean density 1.18 ± 0.15
( 1.66 ± 0.21 )
ρsun
g cm-3
Orbital eccentricity 0.026 +0.038 −0.020  
Orbital semimajor axis   0.04986 ± 0.00033  AU
Planetary mass 0.625 ± 0.030
( 198.68 ± 9.54 )
Mjup
Mearth
Planetary radius 1.197 ± 0.052
( 13.42 ± 0.58 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.363 ± 0.055
( 0.482 ± 0.073 )
ρjup
g cm-3
Planetary equilibrium temperature 1152 ± 19 K
Reference of detailed study 2016A+A...594A..50L  

 

K2-30 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-30 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)