TEPCat: WASP-82


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-82. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016A+A...585A.126W  
Date of discovery paper 2013 / 10 / 22 y / m / d
Right ascension 04 50 38.56 h m s
Declination +01 53 38.1 d m s
V-band apparent magnitude 10.08 mag
K-band apparent magnitude 8.76 mag
Transit duration 0.2081
( 4.994 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2456931.84438 ± 0.00080     HJD or BJD
Orbital period 2.7057846 ± 0.0000022 days
Reference for orbital ephemeris   2015AcA....65..117S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6500 ± 80 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.12 ± 0.11 dex
Stellar mass 1.635 ± 0.079   Msun
Stellar radius 2.219 +0.097 −0.076 Rsun
Stellar logarithmic surface gravity 3.958 ± 0.026 c.g.s.
Stellar mean density 0.149 ± 0.015
( 0.210 ± 0.021 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.053 −0.0  
Orbital semimajor axis   0.04477 ± 0.00072  AU
Planetary mass 1.248 ± 0.045
( 396 ± 14 )
Mjup
Mearth
Planetary radius 1.712 +0.088 −0.069
( 19.19 + 0.99 − 0.77 )
Rjup
Rearth
Planetary surface gravity 9.75 +0.72 −0.82
2.99 +0.03 −0.04
m/s2
log(cgs)
Planetary mean density 0.249 ± 0.030
( 0.330 ± 0.040 )
ρjup
g cm-3
Planetary equilibrium temperature 2202 ± 45 K
Reference of detailed study 2015AcA....65..117S  

 

WASP-82 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-82 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)