TEPCat: K2-314b


 

This page summarises the information held within TEPCat for the transiting planetary system K2-314b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2020A+A...636A..89H  
Date of discovery paper 2020 / 7 / 6 y / m / d
Data/telescope used for discovery K2  
Right ascension 15 12 59.57 h m s
Declination −16 43 28.7 d m s
Right ascension (decimal) 228.24821 degrees
Declination (decimal) -16.72464 degrees
V-band apparent magnitude 11.43 mag
K-band apparent magnitude 9.71 mag
Transit duration 0.180
( 4.32 )
day
hour
Transit depth 0.01 %
Time of mid-transit   2457994.396 ± 0.005     HJD or BJD
Orbital period 3.5951 ± 0.0003 days
Reference for orbital ephemeris   2020A+A...636A..89H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5430 ± 85 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.20 ± 0.05 dex
Stellar mass 1.05 ± 0.05   Msun
Stellar radius 1.71 ± 0.04 Rsun
Stellar logarithmic surface gravity 3.99 ± 0.03 c.g.s.
Stellar mean density 0.211 +0.018 −0.016
( 0.298 +0.025 −0.023 )
ρsun
g cm-3
Orbital eccentricity 0.06 +0.08 −0.04  
Orbital semimajor axis   0.047 +0.005 −0.007  AU
Planetary mass 0.0275 ± 0.0034
( 8.7 ± 1.1 )
Mjup
Mearth
Planetary radius 0.174 +0.008 −0.007
( 1.950 +0.090 −0.078 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 4.82 +0.90 −0.78
( 6.4 +1.2 −1.0 )
ρjup
g cm-3
Planetary equilibrium temperature 1616 +149 −79 K
Reference of detailed study 2020A+A...636A..89H  

 

K2-314b does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-314b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)