TEPCat: TOI-1422


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-1422. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2207.03293  
Date of discovery paper 2022 / 7 / 8 y / m / d
Data/telescope used for discovery TESS  
Right ascension 23 36 57.89 h m s
Declination +39 38 21.8 d m s
Right ascension (decimal) 354.24121 degrees
Declination (decimal) 39.63939 degrees
V-band apparent magnitude 10.62 mag
K-band apparent magnitude 9.19 mag
Transit duration 0.188
( 4.51 )
day
hour
Transit depth 0.1 %
Time of mid-transit   2458745.9205 ± 0.0012     HJD or BJD
Orbital period 12.9972 ± 0.0006 days
Reference for orbital ephemeris   arXiv:2207.03293  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5840 ± 62 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.09 ± 0.07 dex
Stellar mass 0.981 +0.062 −0.065   Msun
Stellar radius 1.019 +0.014 −0.013 Rsun
Stellar logarithmic surface gravity 4.41 ± 0.11 c.g.s.
Stellar mean density 0.92 ± 0.07
( 1.298 ± 0.099 )
ρsun
g cm-3
Orbital eccentricity 0.04 +0.05 −0.03  
Orbital semimajor axis   0.108 ± 0.003  AU
Planetary mass 0.0283 +0.0072 −0.0063
( 9.0 +2.3 −2.0 )
Mjup
Mearth
Planetary radius 0.353 +0.012 −0.010
( 3.96 +0.13 −0.11 )
Rjup
Rearth
Planetary surface gravity 5.6 +1.1 −1.5
2.75 +0.08 −0.14
m/s2
log(cgs)
Planetary mean density 0.60 +0.21 −0.18
( 0.80 +0.28 −0.24 )
ρjup
g cm-3
Planetary equilibrium temperature 867 ± 17 K
Reference of detailed study arXiv:2207.03293  

 

TOI-1422 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-1422 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)