TEPCat: K2-216


 

This page summarises the information held within TEPCat for the transiting planetary system K2-216. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1805.04774  
Date of discovery paper 2018 / 5 / 13 y / m / d
Right ascension 00 45 55.26 h m s
Declination +06 20 49.1 d m s
V-band apparent magnitude 12.48 mag
K-band apparent magnitude 9.86 mag
Transit duration 0.0766
( 1.838 )
day
hour
Transit depth 0.06 %
Time of mid-transit   2457394.04186 ± 0.00094     HJD or BJD
Orbital period 2.17479 ± 0.00005 days
Reference for orbital ephemeris   arXiv:1805.04774  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4503 ± 140 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.00 +0.12 −0.21 dex
Stellar mass 0.70 ± 0.03   Msun
Stellar radius 0.72 ± 0.05 Rsun
Stellar logarithmic surface gravity 4.57 ± 0.09 c.g.s.
Stellar mean density 1.6 +0.6 −1.0
( 2.26 +0.85 −1.41 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.028 +0.004 −0.007  AU
Planetary mass 0.023 ± 0.007
( 7.3 ± 2.2 )
Mjup
Mearth
Planetary radius 0.16 +0.02 −0.01
( 1.79 +0.22 −0.11 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 5.7 +2.3 −2.2
( 7.6 +3.1 −2.9 )
ρjup
g cm-3
Planetary equilibrium temperature 1103 +163 −64 K
Reference of detailed study arXiv:1805.04774  

 

K2-216 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-216 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)