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 2021AJ....161...97C  
Date of discovery paper 2020 / 9 / 29 y / m / d
Data/telescope used for discovery TESS  
Right ascension 05 52 07.28 h m s
Declination −32 55 30.3 d m s
Right ascension (decimal) 88.03033 degrees
Declination (decimal) -32.92508 degrees
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   2021AJ....161...97C  

 

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 59.9 +13.0 −8.6
( 19042 +4133 −2734 )
Mjup
Mearth
Planetary radius 1.262 ± 0.062
( 14.15 ± 0.69 )
Rjup
Rearth
Planetary surface gravity 946 +155 −135
4.98 +0.07 −0.07
m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 762 +15 −16 K
Reference of detailed study 2021AJ....161...97C  

 

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

 


Page generated on 2024/04/19           John Southworth   (Keele University, UK)