TEPCat: TOI-954


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-954. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2010.14436  
Date of discovery paper 2020 / 10 / 28 y / m / d
Right ascension 04 07 45.85 h m s
Declination −25 12 31.7 d m s
V-band apparent magnitude 10.34 mag
K-band apparent magnitude 8.78 mag
Transit duration 0.212
( 5.09 )
day
hour
Transit depth 0.2 %
Time of mid-transit   2458411.90651 ± 0.00081     HJD or BJD
Orbital period 3.6849729 ± 0.0000028 days
Reference for orbital ephemeris   arXiv:2010.14436  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5710 +53 −49 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.215 +0.050 −0.051 dex
Stellar mass 1.201 +0.066 −0.064   Msun
Stellar radius 1.892 +0.077 −0.076 Rsun
Stellar logarithmic surface gravity 3.962 +0.026 −0.024 c.g.s.
Stellar mean density 0.176 +0.018 −0.015
( 0.248 +0.025 −0.021 )
ρsun
g cm-3
Orbital eccentricity 0.14 +0.18 −0.11  
Orbital semimajor axis   0.04962 +0.00089 −0.00090  AU
Planetary mass 0.174 +0.018 −0.017
( 55.3 +5.7 −5.4 )
Mjup
Mearth
Planetary radius 0.852 +0.053 −0.062
( 9.55 +0.59 −0.69 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.26 +0.08 −0.05
( 0.345 +0.106 −0.066 )
ρjup
g cm-3
Planetary equilibrium temperature 1526 +123 −164 K
Reference of detailed study arXiv:2010.14436  

 

TOI-954 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-954 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)