TEPCat: WASP-26


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-26. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2010A+A...520A..56S  
Date of discovery paper 2010 / 4 / 9 y / m / d
Right ascension 00 18 24.70 h m s
Declination −15 16 02.3 d m s
V-band apparent magnitude 11.10 mag
K-band apparent magnitude 9.69 mag
Transit duration 0.097
( 2.33 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2455837.59821 ± 0.00044     HJD or BJD
Orbital period 2.7565972 ± 0.0000019 days
Reference for orbital ephemeris   2014MNRAS.444..776S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6015 ± 55 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.02 ± 0.09 dex
Stellar mass 1.095 ± 0.046   Msun
Stellar radius 1.284 ± 0.036 Rsun
Stellar logarithmic surface gravity 4.260 ± 0.022 c.g.s.
Stellar mean density 0.517 ± 0.037
( 0.729 ± 0.052 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.0097 −0.0  
Orbital semimajor axis   0.03966 ± 0.00056  AU
Planetary mass 1.020 ± 0.033
( 324 ± 10 )
Mjup
Mearth
Planetary radius 1.216 ± 0.047
( 13.63 ± 0.53 )
Rjup
Rearth
Planetary surface gravity 17.1 ± 1.3
3.23 ± 0.03
m/s2
log(cgs)
Planetary mean density 0.530 ± 0.060
( 0.703 ± 0.080 )
ρjup
g cm-3
Planetary equilibrium temperature 1650 ± 24 K
Reference of detailed study 2014MNRAS.444..776S  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Anderson et al. (2011) indeterminate
Albrecht et al. (2012)   −34   + 36   - 26  

 

 

WASP-26 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)