TEPCat: TOI-2818


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-2818. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023ApJS..265....1Y  
Date of discovery paper 2022 / 10 / 28 y / m / d
Data/telescope used for discovery TESS  
Right ascension 07 56 14.36 h m s
Declination −35 07 00.2 d m s
Right ascension (decimal) 119.05983 degrees
Declination (decimal) -35.11672 degrees
V-band apparent magnitude 11.92 mag
K-band apparent magnitude 10.40 mag
Transit duration 0.1585
( 3.804 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2459023.44641 ± 0.00025     HJD or BJD
Orbital period 4.0397090 ± 0.0000024 days
Reference for orbital ephemeris   2023ApJS..265....1Y  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5721 +88 −83 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.02 +0.11 −0.09 dex
Stellar mass 0.977 +0.063 −0.049   Msun
Stellar radius 1.229 +0.032 −0.031 Rsun
Stellar logarithmic surface gravity 4.250 +0.034 −0.030 c.g.s.
Stellar mean density 0.528 +0.052 −0.045
( 0.745 +0.073 −0.063 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.147 −0.0  
Orbital semimajor axis   0.0493 +0.0010 −0.0008  AU
Planetary mass 0.71 ± 0.26
( 225 ± 82 )
Mjup
Mearth
Planetary radius 1.363 +0.046 −0.045
( 15.28 + 0.52 − 0.50 )
Rjup
Rearth
Planetary surface gravity 9.5 +3.6 −3.2
3.0 +0.1 −0.2
m/s2
log(cgs)
Planetary mean density 0.256 +0.106 −0.098
( 0.34 +0.14 −0.13 )
ρjup
g cm-3
Planetary equilibrium temperature 1376 +26 −24 K
Reference of detailed study 2023ApJS..265....1Y  

 

TOI-2818 does not have an entry in the catalogue of orbital obliquity measurements.

 


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