TEPCat: K2-46


 

This page summarises the information held within TEPCat for the transiting system K2-46. 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 11 37 03.92 h m s
Declination +00 54 26.1 d m s
V-band apparent magnitude 12.03 mag
K-band apparent magnitude 99.99 mag
Transit duration 0.280
( 6.72 )
day
hour
Transit depth 0.02 %
Time of mid-transit   2456815.33530 ± 0.00820     HJD or BJD
Orbital period 19.154100 ± 0.004100 days
Reference for orbital ephemeris   2016ApJS..226....7C  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6256 ± 37 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.960 ± 0.020   Msun
Stellar radius 1.290 ± 0.120 Rsun
Stellar logarithmic surface gravity 4.198 ± 0.073 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.138 ± 0.001  AU
Planetary mass Mjup
Mearth
Planetary radius 0.183 ± 0.021
( 2.05 ± 0.24 )
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  

 

K2-46 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-46 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)