TEPCat: K2-100


 

This page summarises the information held within TEPCat for the transiting planetary system K2-100. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017AJ....153...64M  
Date of discovery paper 2016 / 9 / 6 y / m / d
Right ascension 08 38 24.30 h m s
Declination +20 06 21.8 d m s
V-band apparent magnitude 10.52 mag
K-band apparent magnitude 9.18 mag
Transit duration 0.067
( 1.61 )
day
hour
Transit depth 0.08 %
Time of mid-transit   2457140.71941 ± 0.00027     HJD or BJD
Orbital period 1.6739035 ± 0.0000004 days
Reference for orbital ephemeris   arXiv:1909.05252  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5945 ± 110 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.22 ± 0.09 dex
Stellar mass 1.15 ± 0.05   Msun
Stellar radius 1.24 ± 0.05 Rsun
Stellar logarithmic surface gravity 4.33 ± 0.10 c.g.s.
Stellar mean density 0.60 ± 0.08
( 0.85 ± 0.11 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.28 −-1  
Orbital semimajor axis   0.0301 ± 0.0014  AU
Planetary mass 0.069 ± 0.020
( 21.9 ± 6.4 )
Mjup
Mearth
Planetary radius 0.346 ± 0.014
( 3.88 ± 0.16 )
Rjup
Rearth
Planetary surface gravity 15.4 ± 4.4
3.2 ± 0.1
m/s2
log(cgs)
Planetary mean density 1.54 +0.50 −0.46
( 2.04 +0.66 −0.61 )
ρjup
g cm-3
Planetary equilibrium temperature 1841 ± 41 K
Reference of detailed study arXiv:1909.05252  

 

K2-100 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-100 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/01/04           John Southworth   (Keele University, UK)