TEPCat: WASP-143


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-143. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1812.09264  
Date of discovery paper 2018 / 12 / 24 y / m / d
Right ascension 09 23 22.96 h m s
Declination +02 55 57.1 d m s
V-band apparent magnitude 12.58 mag
K-band apparent magnitude 11.32 mag
Transit duration 0.1286
( 3.086 )
day
hour
Transit depth 1.9 %
Time of mid-transit   2457099.94471 ± 0.00015     HJD or BJD
Orbital period 3.7788730 ± 0.0000032 days
Reference for orbital ephemeris   arXiv:1812.09264  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5900 ± 140 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.23 ± 0.10 dex
Stellar mass 1.087 ± 0.045   Msun
Stellar radius 1.013 ± 0.032 Rsun
Stellar logarithmic surface gravity 4.465 ± 0.018 c.g.s.
Stellar mean density 1.054 ± 0.050
( 1.487 ± 0.071 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.07 −0.0  
Orbital semimajor axis   0.0490 ± 0.0014  AU
Planetary mass 0.725 ± 0.084
( 230 ± 26 )
Mjup
Mearth
Planetary radius 1.234 ± 0.042
( 13.83 ± 0.47 )
Rjup
Rearth
Planetary surface gravity 10.8 +1.2 −1.1
3.03 +0.05 −0.05
m/s2
log(cgs)
Planetary mean density 0.382 ± 0.045
( 0.507 ± 0.060 )
ρjup
g cm-3
Planetary equilibrium temperature 1325 ± 30 K
Reference of detailed study arXiv:1812.09264  

 

WASP-143 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-143 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)