TEPCat: TOI-263


 

This page summarises the information held within TEPCat for the transiting brown dwarf system TOI-263. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2103.11150  
Date of discovery paper 2021 / 3 / 23 y / m / d
Right ascension 02 28 25.99 h m s
Declination −25 05 50.4 d m s
V-band apparent magnitude 18.97 mag
K-band apparent magnitude 13.25 mag
Transit duration 0.0380
( 0.912 )
day
hour
Transit depth 4.0 %
Time of mid-transit   2458386.17146 ± 0.00060     HJD or BJD
Orbital period 0.5568143 ± 0.000032 days
Reference for orbital ephemeris   arXiv:2103.11150  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3471 ± 33 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.438 ± 0.036   Msun
Stellar radius 0.438 ± 0.026 Rsun
Stellar logarithmic surface gravity 4.67 ± 0.03 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.017 +0.009 −0.010  
Orbital semimajor axis   0.0098 +0.0007 −0.0008  AU
Planetary mass 61.6 +4.0 −3.0
( 195820 +12716 −9537 )
Mjup
Mearth
Planetary radius 0.91 ± 0.07
( 10.20 ± 0.78 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 82 +29 −21
( 108 + 38 − 27 )
ρjup
g cm-3
Planetary equilibrium temperature 1020 ± 80 K
Reference of detailed study arXiv:2103.11150  

 

TOI-263 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-263 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)