TEPCat: TOI-198


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-198. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023AJ....165..134O  
Date of discovery paper 2023 / 1 / 25 y / m / d
Data/telescope used for discovery TESS  
Right ascension 00 09 04.36 h m s
Declination −27 07 19.7 d m s
Right ascension (decimal) 2.26817 degrees
Declination (decimal) -27.12214 degrees
V-band apparent magnitude 11.67 mag
K-band apparent magnitude 8.14 mag
Transit duration 0.0680
( 1.632 )
day
hour
Transit depth 0.09 %
Time of mid-transit   2459480.0480 ± 0.0004     HJD or BJD
Orbital period 10.21520 ± 0.00006 days
Reference for orbital ephemeris   2023AJ....165..134O  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3650 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.7 ± 0.5 dex
Stellar mass 0.467 ± 0.023   Msun
Stellar radius 0.441 ± 0.019 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.100 ± 0.006  AU
Planetary mass Mjup
Mearth
Planetary radius 0.128 ± 0.007
( 1.435 ± 0.078 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 368 ± 26 K
Reference of detailed study 2023AJ....165..134O  

 

TOI-198 does not have an entry in the catalogue of orbital obliquity measurements.

 


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