TEPCat: WASP-46


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-46. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012MNRAS.422.1988A  
Date of discovery paper 2011 / 5 / 17 y / m / d
Right ascension 21 14 56.86 h m s
Declination −55 52 18.1 d m s
V-band apparent magnitude 12.93 mag
K-band apparent magnitude 11.40 mag
Transit duration 0.06973
( 1.6735 )
day
hour
Transit depth 2.1 %
Time of mid-transit   2455392.3170 ± 0.0004     HJD or BJD
Orbital period 1.43037148 ± 0.00000053 days
Reference for orbital ephemeris   arXiv:1710.04707  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5600 ± 150 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.37 ± 0.13 dex
Stellar mass 0.828 ± 0.076   Msun
Stellar radius 0.858 ± 0.027 Rsun
Stellar logarithmic surface gravity 4.489 ± 0.013 c.g.s.
Stellar mean density 1.310 ± 0.025
( 1.848 ± 0.035 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.02335 ± 0.00072  AU
Planetary mass 1.91 ± 0.13
( 607 ± 41 )
Mjup
Mearth
Planetary radius 1.174 ± 0.037
( 13.16 ± 0.41 )
Rjup
Rearth
Planetary surface gravity 34.3 ± 1.1
3.54 ± 0.01
m/s2
log(cgs)
Planetary mean density 1.103 ± 0.052
( 1.463 ± 0.069 )
ρjup
g cm-3
Planetary equilibrium temperature 1636 ± 44 K
Reference of detailed study 2016MNRAS.456..990C  

 

WASP-46 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-46 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)