TEPCat: WASP-88


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-88. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014A+A...563A.143D  
Date of discovery paper 2013 / 12 / 9 y / m / d
Right ascension 20 38 02.70 h m s
Declination −48 27 43.2 d m s
V-band apparent magnitude 11.39 mag
K-band apparent magnitude 10.32 mag
Transit duration 0.252
( 6.05 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2456474.73154 ± 0.00086     HJD or BJD
Orbital period 4.954000 ± 0.000019 days
Reference for orbital ephemeris   2014A+A...563A.143D  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6430 ± 130 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.08 ± 0.12 dex
Stellar mass 1.45 ± 0.05   Msun
Stellar radius 2.08 +0.12 −0.06 Rsun
Stellar logarithmic surface gravity 3.96 +0.02 −0.05 c.g.s.
Stellar mean density 0.16 +0.02 −0.03
( 0.226 +0.028 −0.042 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.482 −0.0  
Orbital semimajor axis   0.06431 +0.00065 −0.00062  AU
Planetary mass 0.56 ± 0.08
( 178 ± 25 )
Mjup
Mearth
Planetary radius 1.70 +0.13 −0.07
( 19.06 + 1.46 − 0.78 )
Rjup
Rearth
Planetary surface gravity 4.68 +0.82 −0.79
2.67 +0.07 −0.08
m/s2
log(cgs)
Planetary mean density 0.11 ± 0.03
( 0.146 ± 0.040 )
ρjup
g cm-3
Planetary equilibrium temperature 1772 +54 −45 K
Reference of detailed study 2014A+A...563A.143D  

 

WASP-88 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-88 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)