TEPCat: KELT-2


 

This page summarises the information held within TEPCat for the transiting planetary system KELT-2. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012ApJ...756L..39B  
Date of discovery paper 2012 / 6 / 11 y / m / d
Right ascension 06 10 39.35 h m s
Declination +30 57 25.7 d m s
V-band apparent magnitude 8.70 mag
K-band apparent magnitude 7.35 mag
Transit duration 0.2156
( 5.174 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2455974.60338 ± 0.00082     HJD or BJD
Orbital period 4.1137913 ± 0.0000100 days
Reference for orbital ephemeris   2012ApJ...756L..39B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6151 ± 48 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.034 ± 0.078 dex
Stellar mass 1.314 +0.063 −0.060   Msun
Stellar radius 1.836 +0.066 −0.046 Rsun
Stellar logarithmic surface gravity 4.030 +0.015 −0.026 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.05504 ± 0.00086  AU
Planetary mass 1.524 ± 0.088
( 484 ± 27 )
Mjup
Mearth
Planetary radius 1.290 +0.064 −0.050
( 14.46 + 0.72 − 0.56 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 1712 +28 −20 K
Reference of detailed study 2012ApJ...756L..39B  

 

KELT-2 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

KELT-2 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)