TEPCat: WASP-74


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-74. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015AJ....150...18H  
Date of discovery paper 2014 / 10 / 24 y / m / d
Right ascension 20 18 09.32 h m s
Declination −01 04 32.6 d m s
V-band apparent magnitude 9.76 mag
K-band apparent magnitude 8.22 mag
Transit duration 0.0955
( 2.292 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2457173.87198 ± 0.00018     HJD or BJD
Orbital period 2.13774453 ± 0.00000077 days
Reference for orbital ephemeris   arXiv:1903.02800  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5984 ± 57 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.34 ± 0.02 dex
Stellar mass 1.191 ± 0.038   Msun
Stellar radius 1.536 ± 0.026 Rsun
Stellar logarithmic surface gravity 4.141 ± 0.012 c.g.s.
Stellar mean density 0.329 ± 0.012
( 0.464 ± 0.017 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.07 −0.0  
Orbital semimajor axis   0.03443 ± 0.00022  AU
Planetary mass 0.826 ± 0.021
( 262.58 ± 6.68 )
Mjup
Mearth
Planetary radius 1.404 ± 0.022
( 15.74 ± 0.25 )
Rjup
Rearth
Planetary surface gravity 10.38 ± 0.26
3.02 ± 0.01
m/s2
log(cgs)
Planetary mean density 0.279 ± 0.010
( 0.370 ± 0.013 )
ρjup
g cm-3
Planetary equilibrium temperature 1926 ± 21 K
Reference of detailed study arXiv:1903.02800  

 

WASP-74 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-74 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)