TEPCat: WASP-146


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-146. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1812.09264  
Date of discovery paper 2018 / 12 / 24 y / m / d
Right ascension 23 56 22.02 h m s
Declination −13 16 17.6 d m s
V-band apparent magnitude 12.70 mag
K-band apparent magnitude 11.14 mag
Transit duration 0.0998
( 2.395 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2457109.72182 ± 0.00021     HJD or BJD
Orbital period 3.3969440 ± 0.0000036 days
Reference for orbital ephemeris   arXiv:1812.09264  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6100 ± 140 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.01 ± 0.16 dex
Stellar mass 1.057 ± 0.085   Msun
Stellar radius 1.232 ± 0.072 Rsun
Stellar logarithmic surface gravity 4.282 ± 0.029 c.g.s.
Stellar mean density 0.568 ± 0.035
( 0.801 ± 0.049 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.14 −0.0  
Orbital semimajor axis   0.0451 ± 0.0024  AU
Planetary mass 1.11 ± 0.15
( 352 ± 47 )
Mjup
Mearth
Planetary radius 1.228 ± 0.076
( 13.76 ± 0.85 )
Rjup
Rearth
Planetary surface gravity 16.9 +1.8 −1.6
3.23 +0.04 −0.04
m/s2
log(cgs)
Planetary mean density 0.604 ± 0.084
( 0.80 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1486 ± 43 K
Reference of detailed study arXiv:1812.09264  

 

WASP-146 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-146 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)