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   2456506.8918 ± 0.0002     HJD or BJD
Orbital period 2.137750 ± 0.000001 days
Reference for orbital ephemeris   2015AJ....150...18H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5990 ± 110 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.39 ± 0.13 dex
Stellar mass 1.48 ± 0.12   Msun
Stellar radius 1.64 ± 0.05 Rsun
Stellar logarithmic surface gravity 4.180 ± 0.018 c.g.s.
Stellar mean density 0.338 ± 0.018
( 0.477 ± 0.025 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.07 −0.0  
Orbital semimajor axis   0.037 ± 0.001  AU
Planetary mass 0.95 ± 0.06
( 301 ± 19 )
Mjup
Mearth
Planetary radius 1.56 ± 0.06
( 17.49 ± 0.67 )
Rjup
Rearth
Planetary surface gravity 8.91 ± 0.41
2.95 ± 0.02
m/s2
log(cgs)
Planetary mean density 0.25 ± 0.02
( 0.332 ± 0.027 )
ρjup
g cm-3
Planetary equilibrium temperature 1910 ± 40 K
Reference of detailed study 2015AJ....150...18H  

 

WASP-74 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-74 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)