TEPCat: WASP-123


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-123. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016PASP..128f4401T  
Date of discovery paper 2015 / 9 / 9 y / m / d
Data/telescope used for discovery WASP  
Right ascension 19 17 55.05 h m s
Declination −32 51 35.9 d m s
Right ascension (decimal) 289.47938 degrees
Declination (decimal) -32.85997 degrees
V-band apparent magnitude 11.03 mag
K-band apparent magnitude 9.36 mag
Transit duration 0.1289
( 3.094 )
day
hour
Transit depth 1.1 %
Time of mid-transit   2456845.17082 ± 0.00039     HJD or BJD
Orbital period 2.9776412 ± 0.0000023 days
Reference for orbital ephemeris   2016PASP..128f4401T  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5740 ± 130 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.18 ± 0.08 dex
Stellar mass 1.166 ± 0.061   Msun
Stellar radius 1.285 ± 0.051 Rsun
Stellar logarithmic surface gravity 4.286 ± 0.032 c.g.s.
Stellar mean density 0.548 ± 0.059
( 0.773 ± 0.083 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.12 −0.0  
Orbital semimajor axis   0.04263 ± 0.00074  AU
Planetary mass 0.899 ± 0.036
( 285 ± 11 )
Mjup
Mearth
Planetary radius 1.35 ± 0.05
( 15.13 ± 0.56 )
Rjup
Rearth
Planetary surface gravity 11.6 ± 0.7
3.06 ± 0.03
m/s2
log(cgs)
Planetary mean density 0.37 ± 0.05
( 0.491 ± 0.066 )
ρjup
g cm-3
Planetary equilibrium temperature 1500 ± 40 K
Reference of detailed study arXiv:2201.02133  

 

WASP-123 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-123 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/11/23           John Southworth   (Keele University, UK)