TEPCat: WASP-17


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-17. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2010ApJ...709..159A  
Date of discovery paper 2009 / 8 / 11 y / m / d
Right ascension 15 59 50.95 h m s
Declination −28 03 42.3 d m s
V-band apparent magnitude 11.50 mag
K-band apparent magnitude 10.22 mag
Transit duration 0.1830
( 4.392 )
day
hour
Transit depth 1.8 %
Time of mid-transit   2454592.80154 ± 0.00050     HJD or BJD
Orbital period 3.7354845 ± 0.0000019 days
Reference for orbital ephemeris   2012MNRAS.426.1338S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6550 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.25 ± 0.09 dex
Stellar mass 1.286 ± 0.079   Msun
Stellar radius 1.583 ± 0.041 Rsun
Stellar logarithmic surface gravity 4.149 ± 0.014 c.g.s.
Stellar mean density 0.324 ± 0.012
( 0.457 ± 0.017 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.05135 ± 0.00103  AU
Planetary mass 0.477 ± 0.033
( 151 ± 10 )
Mjup
Mearth
Planetary radius 1.932 ± 0.053
( 21.66 ± 0.59 )
Rjup
Rearth
Planetary surface gravity 3.16 ± 0.20
2.50 ± 0.03
m/s2
log(cgs)
Planetary mean density 0.0618 ± 0.0048
( 0.0820 ± 0.0064 )
ρjup
g cm-3
Planetary equilibrium temperature 1755 ± 28 K
Reference of detailed study 2012MNRAS.426.1338S  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Anderson et al. (2010)   −147   + 49   - 11  
Bayliss et al. (2010)   167.4   ±   11.2  
Triaud et al. (2010)   −148.5   + 4.2   - 5.4  
Anderson et al. (2011)   −148.7   + 7.7   - 6.7  

 

 

WASP-17 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)