TEPCat: TOI-1728


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-1728. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2006.14546  
Date of discovery paper 2020 / 6 / 26 y / m / d
Right ascension 08 02 26.55 h m s
Declination +64 47 48.9 d m s
V-band apparent magnitude 12.40 mag
K-band apparent magnitude 8.80 mag
Transit duration 0.0817
( 1.961 )
day
hour
Transit depth 0.6 %
Time of mid-transit   2458843.27427 ± 0.00043     HJD or BJD
Orbital period 3.491510 ± 0.000062 days
Reference for orbital ephemeris   arXiv:2006.14546  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3975 ± 77 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.09 ± 0.13 dex
Stellar mass 0.646 +0.032 −0.022   Msun
Stellar radius 0.624 ± 0.010 Rsun
Stellar logarithmic surface gravity 4.657 ± 0.017 c.g.s.
Stellar mean density 2.68 ± 0.13
( 3.78 ± 0.18 )
ρsun
g cm-3
Orbital eccentricity 0.057 +0.054 −0.039  
Orbital semimajor axis   0.0391 ± 0.0009  AU
Planetary mass 0.084 +0.017 −0.016
( 26.7 +5.4 −5.1 )
Mjup
Mearth
Planetary radius 0.451 +0.014 −0.015
( 5.06 +0.16 −0.17 )
Rjup
Rearth
Planetary surface gravity 10.37 +0.29 −0.30
3.02 +0.01 −0.01
m/s2
log(cgs)
Planetary mean density 0.86 +0.20 −0.18
( 1.14 +0.27 −0.24 )
ρjup
g cm-3
Planetary equilibrium temperature 767 ± 8 K
Reference of detailed study arXiv:2006.14546  

 

TOI-1728 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-1728 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)