TEPCat: K2-104


 

This page summarises the information held within TEPCat for the transiting planetary system K2-104. 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 32.82 h m s
Declination +19 46 25.8 d m s
V-band apparent magnitude 16.26 mag
K-band apparent magnitude 12.01 mag
Transit duration 0.060
( 1.44 )
day
hour
Transit depth 0.16 %
Time of mid-transit   2457140.38097 ± 0.00255     HJD or BJD
Orbital period 1.97419 ± 0.00011 days
Reference for orbital ephemeris   2017AJ....153...64M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3660 ± 67 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.14 ± 0.04 dex
Stellar mass 0.51 ± 0.02   Msun
Stellar radius 0.48 ± 0.02 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density 4.64 +0.68 −0.60
( 6.55 +0.96 −0.85 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.17 +0.02 −0.01
( 1.91 +0.22 −0.11 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2017AJ....153...64M  

 

K2-104 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-104 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/12           John Southworth   (Keele University, UK)