TEPCat: KELT-1


 

This page summarises the information held within TEPCat for the transiting brown dwarf system KELT-1. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012ApJ...761..123S  
Date of discovery paper 2012 / 6 / 11 y / m / d
Right ascension 00 01 26.92 h m s
Declination +39 23 01.7 d m s
V-band apparent magnitude 10.70 mag
K-band apparent magnitude 9.44 mag
Transit duration 0.11526
( 2.7662 )
day
hour
Transit depth 0.6 %
Time of mid-transit   2456093.13464 ± 0.00019     HJD or BJD
Orbital period 1.21749448 ± 0.00000080 days
Reference for orbital ephemeris   2015MNRAS.450.3101B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6516 ± 49 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.052 ± 0.079 dex
Stellar mass 1.335 ± 0.063   Msun
Stellar radius 1.471 +0.045 −0.035 Rsun
Stellar logarithmic surface gravity 4.337 +0.014 −0.021 c.g.s.
Stellar mean density 0.421 +0.019 −0.030
( 0.594 +0.027 −0.042 )
ρsun
g cm-3
Orbital eccentricity 0.0100 +0.010 −0.0070  
Orbital semimajor axis   0.02472 ± 0.00039  AU
Planetary mass 27.38 ± 0.93
( 87038 ± 2956 )
Mjup
Mearth
Planetary radius 1.116 +0.038 −0.029
( 12.51 + 0.43 − 0.33 )
Rjup
Rearth
Planetary surface gravity 545 +22 −30
4.74 +0.02 −0.02
m/s2
log(cgs)
Planetary mean density 18.5 +1.1 −1.6
( 24.5 + 1.5 − 2.1 )
ρjup
g cm-3
Planetary equilibrium temperature 2423 +34 −27 K
Reference of detailed study 2012ApJ...761..123S  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Siverd et al. (2012)   2   ±   16  

 

 

KELT-1 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)