TEPCat: TOI-640


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-640. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2021AJ....161..194R  
Date of discovery paper 2021 / 1 / 7 y / m / d
Data/telescope used for discovery TESS  
Right ascension 06 38 56.31 h m s
Declination −36 38 46.1 d m s
Right ascension (decimal) 99.73462 degrees
Declination (decimal) -36.64614 degrees
V-band apparent magnitude 10.57 mag
K-band apparent magnitude 9.24 mag
Transit duration 0.1502
( 3.605 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2458459.73877 ± 0.00077     HJD or BJD
Orbital period 5.0037775 ± 0.0000048 days
Reference for orbital ephemeris   2021AJ....161..194R  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6460 +130 −150 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.072 +0.085 −0.076 dex
Stellar mass 1.536 +0.069 −0.076   Msun
Stellar radius 2.082 +0.064 −0.058 Rsun
Stellar logarithmic surface gravity 3.987 +0.030 −0.036 c.g.s.
Stellar mean density 0.170 +0.017 −0.018
( 0.240 +0.024 −0.025 )
ρsun
g cm-3
Orbital eccentricity 0.060 +0.054 −0.035  
Orbital semimajor axis   0.06608 +0.00098 −0.0011  AU
Planetary mass 0.88 ± 0.16
( 279 ± 50 )
Mjup
Mearth
Planetary radius 1.771 +0.060 −0.056
( 19.85 + 0.67 − 0.63 )
Rjup
Rearth
Planetary surface gravity 6.9 ± 1.4
2.84 ± 0.08
m/s2
log(cgs)
Planetary mean density 0.147 +0.032 −0.030
( 0.195 +0.042 −0.040 )
ρjup
g cm-3
Planetary equilibrium temperature 1749 +26 −30 K
Reference of detailed study 2021AJ....161..194R  

 

TOI-640 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-640 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)