TEPCat: TOI-811


 

This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-811. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2009.13515  
Date of discovery paper 2020 / 9 / 29 y / m / d
Right ascension 05 52 07.28 h m s
Declination −32 55 30.3 d m s
V-band apparent magnitude 11.41 mag
K-band apparent magnitude 10.08 mag
Transit duration 0.18
( 4.3 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2458438.24914 ± 0.00048     HJD or BJD
Orbital period 25.16551 ± 0.00034 days
Reference for orbital ephemeris   arXiv:2009.13515  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6107 ± 77 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.402 +0.065 −0.090 dex
Stellar mass 1.323 +0.053 −0.069   Msun
Stellar radius 1.270 +0.064 −0.092 Rsun
Stellar logarithmic surface gravity 4.352 +0.045 −0.029 c.g.s.
Stellar mean density 0.646 +0.128 −0.070
( 0.912 +0.181 −0.099 )
ρsun
g cm-3
Orbital eccentricity 0.407 +0.017 −0.046  
Orbital semimajor axis   0.1874 +0.0026 −0.0035  AU
Planetary mass 55.3 +2.1 −3.2
( 175793 +6676 −10172 )
Mjup
Mearth
Planetary radius 1.354 +0.042 −0.090
( 15.18 + 0.47 − 1.01 )
Rjup
Rearth
Planetary surface gravity 1040 +150 −130
5.02 +0.06 −0.06
m/s2
log(cgs)
Planetary mean density 31.6 +5.6 −4.7
( 41.9 + 7.4 − 6.2 )
ρjup
g cm-3
Planetary equilibrium temperature 767 +16 −26 K
Reference of detailed study arXiv:2009.13515  

 

TOI-811 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-811 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)