TEPCat: TOI-251


 

This page summarises the information held within TEPCat for the transiting planetary system TOI-251. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2011.13349  
Date of discovery paper 2020 / 11 / 30 y / m / d
Right ascension 23 32 14.90 h m s
Declination −37 15 21.1 d m s
V-band apparent magnitude 9.89 mag
K-band apparent magnitude 8.43 mag
Transit duration 0.0930
( 2.232 )
day
hour
Transit depth 0.10 %
Time of mid-transit   2458357.3055 ± 0.0014     HJD or BJD
Orbital period 4.937770 ± 0.000029 days
Reference for orbital ephemeris   arXiv:2011.13349  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5875 +100 −190 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.106 +0.079 −0.070 dex
Stellar mass 1.036 +0.013 −0.009   Msun
Stellar radius 0.881 +0.038 −0.047 Rsun
Stellar logarithmic surface gravity 4.560 ± 0.046 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.05741 +0.00023 −0.00017  AU
Planetary mass 0.0 +1.0 −0.0
( 0 +317 −0 )
Mjup
Mearth
Planetary radius 0.244 ± 0.016
( 2.73 ± 0.18 )
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:2011.13349  

 

TOI-251 does not have an entry in the catalogue of orbital obliquity measurements.

 

TOI-251 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)