TEPCat: TOI-1227


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-1227. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2110.09531  
Date of discovery paper 2021 / 10 / 20 y / m / d
Data/telescope used for discovery TESS  
Right ascension 12 27 04.32 h m s
Declination −72 27 06.4 d m s
Right ascension (decimal) 186.76800 degrees
Declination (decimal) -72.45178 degrees
V-band apparent magnitude 17.19 mag
K-band apparent magnitude 11.03 mag
Transit duration 0.2013
( 4.831 )
day
hour
Transit depth 2.5 %
Time of mid-transit   2458617.4621 ± 0.0016     HJD or BJD
Orbital period 27.36397 ± 0.00011 days
Reference for orbital ephemeris   arXiv:2110.09531  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3072 ± 74 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.170 ± 0.015   Msun
Stellar radius 0.56 ± 0.03 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density 0.705 +0.062 −0.072
( 0.995 +0.087 −0.102 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.2 −0.0  
Orbital semimajor axis   0.0886 +0.0054 −0.0057  AU
Planetary mass 0.0 +0.5 −0.0
( 0 +158 −0 )
Mjup
Mearth
Planetary radius 0.854 +0.067 −0.052
( 9.57 +0.75 −0.58 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study arXiv:2110.09531  

 

TOI-1227 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-1227 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)