TEPCat: TOI-269


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-269. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2104.14782  
Date of discovery paper 2021 / 5 / 3 y / m / d
Right ascension 05 03 23.11 h m s
Declination −54 10 39.8 d m s
V-band apparent magnitude 14.37 mag
K-band apparent magnitude 10.10 mag
Transit duration 0.037
( 0.89 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2458381.84668 ± 0.00033     HJD or BJD
Orbital period 3.6977104 ± 0.0000027 days
Reference for orbital ephemeris   arXiv:2104.14782  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3514 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.29 ± 0.12 dex
Stellar mass 0.3917 ± 0.0095   Msun
Stellar radius 0.398 ± 0.012 Rsun
Stellar logarithmic surface gravity 4.831 ± 0.029 c.g.s.
Stellar mean density 6.36 +0.59 −0.57
( 8.97 +0.83 −0.80 )
ρsun
g cm-3
Orbital eccentricity 0.425 +0.082 −0.086  
Orbital semimajor axis   0.0345 ± 0.0015  AU
Planetary mass 0.0277 ± 0.0044
( 8.8 ± 1.4 )
Mjup
Mearth
Planetary radius 0.247 ± 0.011
( 2.77 ± 0.12 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.72 +0.36 −0.32
( 2.28 +0.48 −0.42 )
ρjup
g cm-3
Planetary equilibrium temperature 531 ± 25 K
Reference of detailed study arXiv:2104.14782  

 

TOI-269 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-269 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)