TEPCat: WASP-71


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-71. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2013A+A...552A.120S  
Date of discovery paper 2012 / 11 / 14 y / m / d
Right ascension 01 57 03.21 h m s
Declination +00 45 31.8 d m s
V-band apparent magnitude 10.56 mag
K-band apparent magnitude 9.32 mag
Transit duration 0.2091
( 5.018 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2455738.84974 ± 0.00070     HJD or BJD
Orbital period 2.9036747 ± 0.0000068 days
Reference for orbital ephemeris   2013A+A...552A.120S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6180 ± 52 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.37 ± 0.04 dex
Stellar mass 1.559 ± 0.060   Msun
Stellar radius 2.26 ± 0.17 Rsun
Stellar logarithmic surface gravity 3.920 ± 0.050 c.g.s.
Stellar mean density 0.135 ± 0.024
( 0.190 ± 0.034 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.060 −0.0  
Orbital semimajor axis   0.04619 ± 0.00069  AU
Planetary mass 2.242 ± 0.080
( 712 ± 25 )
Mjup
Mearth
Planetary radius 1.46 ± 0.13
( 16.4 ± 1.5 )
Rjup
Rearth
Planetary surface gravity 23.9 ± 3.3
3.38 ± 0.06
m/s2
log(cgs)
Planetary mean density 0.71 ± 0.16
( 0.94 ± 0.21 )
ρjup
g cm-3
Planetary equilibrium temperature 2049 ± 73 K
Reference of detailed study 2013A+A...552A.120S  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Smith et al. (2012)   20.1   ±   9.7  
Brown et al. (2016)   −1.9   + 7.1   - 7.5  

 

 

WASP-71 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)