TEPCat: K2-314d


 

This page summarises the information held within TEPCat for the transiting planetary system K2-314d. 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 0.398
( 9.55 )
day
hour
Transit depth 0.05 %
Time of mid-transit   2458008.652 ± 0.003     HJD or BJD
Orbital period 35.747 ± 0.005 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 0.15 +0.21 −0.11  
Orbital semimajor axis   0.22 +0.02 −0.04  AU
Planetary mass 0.0320 +0.0077 −0.0076
( 10.2 +2.4 −2.4 )
Mjup
Mearth
Planetary radius 0.352 +0.012 −0.011
( 3.95 +0.13 −0.12 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.69 +0.19 −0.17
( 0.92 +0.25 −0.23 )
ρjup
g cm-3
Planetary equilibrium temperature 752 +69 −37 K
Reference of detailed study 2020A+A...636A..89H  

 

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

 

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

 


Page generated on 2022/12/06           John Southworth   (Keele University, UK)