TEPCat: TOI-1789


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-1789. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2022MNRAS.509.3339K  
Date of discovery paper 2021 / 6 / 17 y / m / d
Data/telescope used for discovery TESS  
Right ascension 09 30 58.42 h m s
Declination +26 32 24.0 d m s
Right ascension (decimal) 142.74342 degrees
Declination (decimal) 26.54000 degrees
V-band apparent magnitude 9.79 mag
K-band apparent magnitude 8.35 mag
Transit duration 0.0957
( 2.297 )
day
hour
Transit depth 0.3 %
Time of mid-transit   2458873.65374 ± 0.00062     HJD or BJD
Orbital period 3.208664 ± 0.000015 days
Reference for orbital ephemeris   2022MNRAS.509.3339K  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5991 ± 55 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.373 +0.071 −0.086 dex
Stellar mass 1.507 +0.059 −0.14   Msun
Stellar radius 2.168 +0.036 −0.034 Rsun
Stellar logarithmic surface gravity 3.943 +0.023 −0.043 c.g.s.
Stellar mean density 0.147 +0.010 −0.015
( 0.207 +0.014 −0.021 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.04882 +0.00061 −0.0016  AU
Planetary mass 0.70 ± 0.16
( 222 ± 50 )
Mjup
Mearth
Planetary radius 1.44 +0.24 −0.14
( 16.1 + 2.7 − 1.6 )
Rjup
Rearth
Planetary surface gravity 8.1 +3.1 −2.8
2.9 +0.1 −0.2
m/s2
log(cgs)
Planetary mean density 0.21 +0.11 −0.10
( 0.28 +0.15 −0.13 )
ρjup
g cm-3
Planetary equilibrium temperature 1927 +27 −17 K
Reference of detailed study 2022MNRAS.509.3339K  

 

TOI-1789 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/03/28           John Southworth   (Keele University, UK)