TEPCat: WASP-144


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-144. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1803.02224  
Date of discovery paper 2018 / 3 / 7 y / m / d
Right ascension 21 23 03.09 h m s
Declination −40 02 54.4 d m s
V-band apparent magnitude 12.90 mag
K-band apparent magnitude 10.90 mag
Transit duration 0.0814
( 1.954 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2457157.27493 ± 0.00015     HJD or BJD
Orbital period 2.2783152 ± 0.0000013 days
Reference for orbital ephemeris   arXiv:1803.02224  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4950 ± 150 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.18 ± 0.14 dex
Stellar mass 0.81 ± 0.04   Msun
Stellar radius 0.81 ± 0.04 Rsun
Stellar logarithmic surface gravity 4.53 ± 0.03 c.g.s.
Stellar mean density 1.54 ± 0.16
( 2.17 ± 0.23 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.30 −0.0  
Orbital semimajor axis   0.0316 ± 0.0005  AU
Planetary mass 0.44 ± 0.06
( 139 ± 19 )
Mjup
Mearth
Planetary radius 0.85 ± 0.05
( 9.53 ± 0.56 )
Rjup
Rearth
Planetary surface gravity 14.1 ± 2.0
3.15 ± 0.06
m/s2
log(cgs)
Planetary mean density 0.72 ± 0.15
( 0.96 ± 0.20 )
ρjup
g cm-3
Planetary equilibrium temperature 1260 ± 40 K
Reference of detailed study arXiv:1803.02224  

 

WASP-144 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-144 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/02           John Southworth   (Keele University, UK)