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 arXiv:2106.08660  
Date of discovery paper 2021 / 6 / 17 y / m / d
Right ascension 09 30 58.42 h m s
Declination +26 32 24.0 d m s
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 ± 0.00072     HJD or BJD
Orbital period 3.208666 ± 0.000016 days
Reference for orbital ephemeris   arXiv:2106.08660  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5984 +55 −57 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.370 +0.073 −0.089 dex
Stellar mass 1.499 +0.061 −0.15   Msun
Stellar radius 2.172 +0.037 −0.035 Rsun
Stellar logarithmic surface gravity 3.939 +0.024 −0.046 c.g.s.
Stellar mean density 0.145 +0.011 −0.015
( 0.205 +0.016 −0.021 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.04873 +0.00065 −0.0016  AU
Planetary mass 0.70 ± 0.16
( 222 ± 50 )
Mjup
Mearth
Planetary radius 1.40 +0.22 −0.13
( 15.7 + 2.5 − 1.5 )
Rjup
Rearth
Planetary surface gravity 8.5 +3.2 −2.9
2.9 +0.1 −0.2
m/s2
log(cgs)
Planetary mean density 0.23 +0.10 −0.11
( 0.31 +0.13 −0.15 )
ρjup
g cm-3
Planetary equilibrium temperature 1929 +28 −18 K
Reference of detailed study arXiv:2106.08660  

 

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

 

TOI-1789 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)