TEPCat: Kepler-503


 

This page summarises the information held within TEPCat for the transiting brown dwarf system Kepler-503. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018ApJ...861L...4C  
Date of discovery paper 2018 / 5 / 23 y / m / d
Right ascension 19 22 32.76 h m s
Declination +38 42 27.6 d m s
V-band apparent magnitude 14.94 mag
K-band apparent magnitude 13.04 mag
Transit duration 0.25
( 6.0 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2454971.34494 ± 0.00026     HJD or BJD
Orbital period 7.2584481 ± 0.0000023 days
Reference for orbital ephemeris   2018ApJ...861L...4C  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5670 +100 −110 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.169 +0.046 −0.045 dex
Stellar mass 1.154 +0.047 −0.042   Msun
Stellar radius 1.764 +0.080 −0.068 Rsun
Stellar logarithmic surface gravity 4.008 ± 0.038 c.g.s.
Stellar mean density 0.210 +0.027 −0.026
( 0.296 +0.038 −0.037 )
ρsun
g cm-3
Orbital eccentricity 0.025 +0.014 −0.012  
Orbital semimajor axis   0.0786 ± 0.0010  AU
Planetary mass 78.6 ± 3.1
( 249862 ± 9855 )
Mjup
Mearth
Planetary radius 0.96 +0.06 −0.04
( 10.76 + 0.67 − 0.45 )
Rjup
Rearth
Planetary surface gravity 2090 ± 230
5.32 ± 0.05
m/s2
log(cgs)
Planetary mean density 81 ± 13
( 107 ± 17 )
ρjup
g cm-3
Planetary equilibrium temperature 1296 +22 −23 K
Reference of detailed study 2018ApJ...861L...4C  

 

Kepler-503 does not have an entry in the catalogue of orbital obliquity measurements.

 

Kepler-503 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)