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
Data/telescope used for discovery WASP  
Right ascension 04 25 29.02 h m s
Declination −30 36 01.5 d m s
Right ascension (decimal) 66.37092 degrees
Declination (decimal) -30.60042 degrees
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   2455545.23906 ± 0.00021     HJD or BJD
Orbital period 3.6623920 ± 0.0000003 days
Reference for orbital ephemeris   arXiv:2312.03319  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6760 +88 −71 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.03 ± 0.10 dex
Stellar mass 1.399 +0.075 −0.087   Msun
Stellar radius 1.564 +0.025 −0.032 Rsun
Stellar logarithmic surface gravity 4.195 +0.012 −0.013 c.g.s.
Stellar mean density 0.3658 ± 0.0085
( 0.516 ± 0.012 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.05202 +0.00091 −0.00110  AU
Planetary mass 0.842 +0.077 −0.081
( 267 +24 −25 )
Mjup
Mearth
Planetary radius 1.625 +0.026 −0.033
( 18.21 + 0.29 − 0.37 )
Rjup
Rearth
Planetary surface gravity 7.90 +0.70 −0.69
2.90 +0.04 −0.04
m/s2
log(cgs)
Planetary mean density 0.196 +0.018 −0.017
( 0.260 +0.024 −0.023 )
ρjup
g cm-3
Planetary equilibrium temperature 1787 +23 −19 K
Reference of detailed study 2026MNRAS.545S2063M  

 

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

 

 


Page generated on 2026/01/29           John Southworth   (Keele University, UK)