TEPCat: TOI-2018


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-2018. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2301.09865  
Date of discovery paper 2023 / 1 / 25 y / m / d
Data/telescope used for discovery TESS  
Right ascension 15 19 21.15 h m s
Declination +29 12 22.2 d m s
Right ascension (decimal) 229.83812 degrees
Declination (decimal) 29.20617 degrees
V-band apparent magnitude 10.25 mag
K-band apparent magnitude 7.10 mag
Transit duration 0.098
( 2.35 )
day
hour
Transit depth 0.11 %
Time of mid-transit   2458958.2582 ± 0.0006     HJD or BJD
Orbital period 7.435588 ± 0.000009 days
Reference for orbital ephemeris   2023AJ....166....9M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4174 +34 −42 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.58 ± 0.18 dex
Stellar mass 0.57 ± 0.02   Msun
Stellar radius 0.62 ± 0.01 Rsun
Stellar logarithmic surface gravity 4.62 +0.02 −0.03 c.g.s.
Stellar mean density 2.29 ± 0.22
( 3.23 ± 0.31 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis     AU
Planetary mass 0.0289 ± 0.0066
( 9.2 ± 2.1 )
Mjup
Mearth
Planetary radius 0.2023 ± 0.0062
( 2.268 ± 0.069 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 652 K
Reference of detailed study 2023AJ....166...49D  

 

TOI-2018 does not have an entry in the catalogue of orbital obliquity measurements.

 


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