TEPCat: TOI-1820


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-1820. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2204.13956  
Date of discovery paper 2022 / 5 / 3 y / m / d
Data/telescope used for discovery TESS  
Right ascension 12 30 44.81 h m s
Declination +27 27 07.2 d m s
Right ascension (decimal) 187.68671 degrees
Declination (decimal) 27.45200 degrees
V-band apparent magnitude 10.90 mag
K-band apparent magnitude 9.51 mag
Transit duration 0.115
( 2.76 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2458903.0631 ± 0.0007     HJD or BJD
Orbital period 4.860700 ± 0.000010 days
Reference for orbital ephemeris   arXiv:2204.13956  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5734 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.14 ± 0.15 dex
Stellar mass 1.04 ± 0.13   Msun
Stellar radius 1.51 ± 0.06 Rsun
Stellar logarithmic surface gravity 4.24 ± 0.05 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.043 +0.008 −0.009  
Orbital semimajor axis   0.069 ± 0.005  AU
Planetary mass 2.3 ± 0.2
( 731 ± 63 )
Mjup
Mearth
Planetary radius 1.12 ± 0.02
( 12.55 ± 0.22 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.6 ± 0.2
( 2.12 ± 0.27 )
ρjup
g cm-3
Planetary equilibrium temperature 1295 ± 11 K
Reference of detailed study arXiv:2204.13956  

 

TOI-1820 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-1820 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)