TEPCat: TOI-503


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1909.07984  
Date of discovery paper 2019 / 9 / 19 y / m / d
Right ascension 08 17 16.89 h m s
Declination +12 36 04.8 d m s
V-band apparent magnitude 9.70 mag
K-band apparent magnitude 8.90 mag
Transit duration 0.07
( 1.7 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2458506.76256 ± 0.00039     HJD or BJD
Orbital period 3.67718 ± 0.00010 days
Reference for orbital ephemeris   arXiv:1909.07984  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 7650 +140 −160 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.30 +0.08 −0.09 dex
Stellar mass 1.80 ± 0.06   Msun
Stellar radius 1.70 +0.05 −0.04 Rsun
Stellar logarithmic surface gravity 4.23 ± 0.03 c.g.s.
Stellar mean density 0.36 +0.03 −0.04
( 0.508 +0.042 −0.056 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.05727 ± 0.00063  AU
Planetary mass 53.7 ± 1.2
( 170707 ± 3815 )
Mjup
Mearth
Planetary radius 1.34 +0.26 −0.15
( 15.0 + 2.9 − 1.7 )
Rjup
Rearth
Planetary surface gravity 741 +236 −240
4.9 +0.1 −0.2
m/s2
log(cgs)
Planetary mean density 20.4 +9.8 −8.3
( 27 +12 −11 )
ρjup
g cm-3
Planetary equilibrium temperature 2011 +27 −28 K
Reference of detailed study arXiv:1909.07984  

 

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

 

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

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)