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 2018A+A...618A..33P  
Date of discovery paper 2018 / 5 / 13 y / m / d
Data/telescope used for discovery K2  
Right ascension 00 45 55.26 h m s
Declination +06 20 49.1 d m s
Right ascension (decimal) 11.48025 degrees
Declination (decimal) 6.34697 degrees
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   2457394.0417 ± 0.0009     HJD or BJD
Orbital period 2.17480 ± 0.00005 days
Reference for orbital ephemeris   2018A+A...618A..33P  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4503 ± 69 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.00 ± 0.07 dex
Stellar mass 0.70 ± 0.03   Msun
Stellar radius 0.72 ± 0.03 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 0.156 +0.015 −0.009
( 1.75 +0.17 −0.10 )
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 +180 −56 K
Reference of detailed study 2018A+A...618A..33P  

 

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