TEPCat: WASP-173


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-173. 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 23 36 40.32 h m s
Declination −34 36 40.4 d m s
V-band apparent magnitude 11.15 mag
K-band apparent magnitude 10.00 mag
Transit duration 0.0957
( 2.297 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2457288.8585 ± 0.0002     HJD or BJD
Orbital period 1.38665318 ± 0.00000027 days
Reference for orbital ephemeris   arXiv:1803.02224  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5700 ± 150 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.16 ± 0.14 dex
Stellar mass 1.05 ± 0.08   Msun
Stellar radius 1.11 ± 0.05 Rsun
Stellar logarithmic surface gravity 4.37 ± 0.03 c.g.s.
Stellar mean density 0.76 ± 0.08
( 1.07 ± 0.11 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.032 −0.0  
Orbital semimajor axis   0.0248 ± 0.0006  AU
Planetary mass 3.69 ± 0.18
( 1173 ± 57 )
Mjup
Mearth
Planetary radius 1.20 ± 0.06
( 13.45 ± 0.67 )
Rjup
Rearth
Planetary surface gravity 48.9 +5.7 −5.2
3.69 +0.05 −0.05
m/s2
log(cgs)
Planetary mean density 2.14 ± 0.28
( 2.84 ± 0.37 )
ρjup
g cm-3
Planetary equilibrium temperature 1880 ± 55 K
Reference of detailed study arXiv:1803.02224  

 

WASP-173 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-173 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)