TEPCat: WASP-79


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-79. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012A+A...547A..61S  
Date of discovery paper 2012 / 6 / 7 y / m / d
Right ascension 04 25 29.02 h m s
Declination −30 36 01.5 d m s
V-band apparent magnitude 10.04 mag
K-band apparent magnitude 9.06 mag
Transit duration 0.1661
( 3.986 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2456215.4556 ± 0.0005     HJD or BJD
Orbital period 3.662392 ± 0.000004 days
Reference for orbital ephemeris   2017MNRAS.464..810B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6600 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.03 ± 0.10 dex
Stellar mass 1.39 ± 0.08   Msun
Stellar radius 1.51 +0.04 −0.03 Rsun
Stellar logarithmic surface gravity 4.226 ± 0.010 c.g.s.
Stellar mean density 0.408 ± 0.012
( 0.576 ± 0.017 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0519 ± 0.0008  AU
Planetary mass 0.86 ± 0.08
( 273 ± 25 )
Mjup
Mearth
Planetary radius 1.53 ± 0.04
( 17.15 ± 0.45 )
Rjup
Rearth
Planetary surface gravity 8.39 ± 0.74
2.92 ± 0.04
m/s2
log(cgs)
Planetary mean density 0.240 ± 0.023
( 0.318 ± 0.031 )
ρjup
g cm-3
Planetary equilibrium temperature 1716 +26 −24 K
Reference of detailed study 2017MNRAS.464..810B  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Addison et al. (2013)   −106   + 19   - 13  
Brown et al. (2016)   −95.2   + 0.9   - 1.0  
Johnson et al. (2017)   −99.1   + 4.1   - 3.9  

 

 

WASP-79 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)