TEPCat: Kepler-446c


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-446c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015ApJ...801...18M  
Date of discovery paper 2015 / 1 / 8 y / m / d
Data/telescope used for discovery Kepler  
Right ascension 18 49 00.05 h m s
Declination +44 55 16.0 d m s
Right ascension (decimal) 282.25021 degrees
Declination (decimal) 44.92111 degrees
V-band apparent magnitude 17.26 mag
K-band apparent magnitude 12.83 mag
Transit duration 0.0400
( 0.960 )
day
hour
Transit depth 0.21 %
Time of mid-transit   2454967.06957 ± 0.00095     HJD or BJD
Orbital period 3.036179 ± 0.0000055 days
Reference for orbital ephemeris   2015ApJ...801...18M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3359 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.30 ± 0.12 dex
Stellar mass 0.22 ± 0.05   Msun
Stellar radius 0.24 ± 0.04 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.099 ± 0.016
( 1.11 ± 0.18 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2015ApJ...801...18M  

 

Kepler-446c does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2025/02/12           John Southworth   (Keele University, UK)