TEPCat: WASP-174


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-174. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018MNRAS.480.5307T  
Date of discovery paper 2018 / 2 / 5 y / m / d
Right ascension 13 03 10.57 h m s
Declination −41 23 05.3 d m s
V-band apparent magnitude 11.79 mag
K-band apparent magnitude 10.58 mag
Transit duration 0.084
( 2.02 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2457465.9336 ± 0.0004     HJD or BJD
Orbital period 4.233700 ± 0.000003 days
Reference for orbital ephemeris   2018MNRAS.480.5307T  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6400 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.09 ± 0.09 dex
Stellar mass 1.30 ± 0.06   Msun
Stellar radius 1.31 ± 0.08 Rsun
Stellar logarithmic surface gravity 4.32 ± 0.04 c.g.s.
Stellar mean density 0.6 ± 0.2
( 0.85 ± 0.28 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.0559 ± 0.0009  AU
Planetary mass 0.0 +1.3 −0.0
( 0 +413 −0 )
Mjup
Mearth
Planetary radius 1.2 ± 0.5
( 13.5 ± 5.6 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 1490 ± 50 K
Reference of detailed study 2018MNRAS.480.5307T  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Temple et al. (2018)   31   ±   1  

 

 

WASP-174 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)