TEPCat: Kepler-250b


 

This page summarises the information held within TEPCat for the transiting system Kepler-250b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014ApJ...784...45R  
Date of discovery paper 2014 / 3 / 20 y / m / d
Right ascension 19 18 22.74 h m s
Declination +44 08 31.0 d m s
V-band apparent magnitude 15.67 mag
K-band apparent magnitude 13.48 mag
Transit duration 0.1001
( 2.402 )
day
hour
Transit depth 0.02 %
Time of mid-transit   2454966.39095 ± 0.00672     HJD or BJD
Orbital period 4.148141 ± 0.000046 days
Reference for orbital ephemeris   2014ApJ...784...45R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5160 ± 200 K
Stellar metal abundance ([Fe/H] or [M/H])   0.06 ± 0.50 dex
Stellar mass 0.864   Msun
Stellar radius 0.805 ± 0.462 Rsun
Stellar logarithmic surface gravity 4.565 ± 0.300 c.g.s.
Stellar mean density 2.337 ± 0.958
( 3.3 ± 1.4 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis     AU
Planetary mass Mjup
Mearth
Planetary radius 0.101 ± 0.061
( 1.13 ± 0.68 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2014ApJ...784...45R  

 

Kepler-250b does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-250b 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)