TEPCat: K2-90b


 

This page summarises the information held within TEPCat for the transiting system K2-90b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJS..226....7C  
Date of discovery paper 2016 / 7 / 19 y / m / d
Right ascension 03 56 36.58 h m s
Declination +22 28 21.5 d m s
V-band apparent magnitude 13.85 mag
K-band apparent magnitude 10.36 mag
Transit duration 0.128
( 3.07 )
day
hour
Transit depth 0.14 %
Time of mid-transit   2457078.66480 ± 0.00250     HJD or BJD
Orbital period 13.731100 ± 0.001400 days
Reference for orbital ephemeris   2016ApJS..226....7C  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4136 ± 164 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.562 ± 0.071   Msun
Stellar radius 0.494 ± 0.070 Rsun
Stellar logarithmic surface gravity 4.791 ± 0.066 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.093 ± 0.004  AU
Planetary mass Mjup
Mearth
Planetary radius 0.182 ± 0.029
( 2.04 ± 0.33 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2016ApJS..226....7C  

 

K2-90b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-90b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)