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 4.9540045 ± 0.0000020 days
Reference for orbital ephemeris   arXiv:2106.14808  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6450 ± 61 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.03 ± 0.04 dex
Stellar mass 1.288 ± 0.035   Msun
Stellar radius 1.93 +0.12 −0.03 Rsun
Stellar logarithmic surface gravity 3.976 +0.015 −0.051 c.g.s.
Stellar mean density 0.179 +0.09 −0.029
( 0.253 +0.127 −0.041 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.482 −0.0  
Orbital semimajor axis   0.06431 +0.00065 −0.00062  AU
Planetary mass 0.520 +0.067 −0.066
( 165 +21 −20 )
Mjup
Mearth
Planetary radius 1.63 +0.12 −0.03
( 18.27 + 1.35 − 0.34 )
Rjup
Rearth
Planetary surface gravity 4.84 +0.64 −0.88
2.68 +0.05 −0.09
m/s2
log(cgs)
Planetary mean density 0.112 +0.016 −0.026
( 0.149 +0.021 −0.034 )
ρjup
g cm-3
Planetary equilibrium temperature 1737 +54 −15 K
Reference of detailed study arXiv:2106.14808  

 

WASP-88 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-88 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)