TEPCat: WASP-141


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-141. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017MNRAS.465.3693H  
Date of discovery paper 2016 / 4 / 15 y / m / d
Right ascension 04 47 17.84 h m s
Declination −17 06 54.6 d m s
V-band apparent magnitude 12.42 mag
K-band apparent magnitude 11.19 mag
Transit duration 0.150
( 3.60 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2457019.5953 ± 0.0003     HJD or BJD
Orbital period 3.310651 ± 0.000005 days
Reference for orbital ephemeris   2017MNRAS.465.3693H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6050 ± 120 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.29 ± 0.09 dex
Stellar mass 1.25 ± 0.06   Msun
Stellar radius 1.37 ± 0.07 Rsun
Stellar logarithmic surface gravity 4.26 ± 0.04 c.g.s.
Stellar mean density 0.49 ± 0.07
( 0.691 ± 0.099 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.06 −0.0  
Orbital semimajor axis   0.0469 ± 0.0007  AU
Planetary mass 2.69 ± 0.15
( 855 ± 47 )
Mjup
Mearth
Planetary radius 1.21 ± 0.08
( 13.56 ± 0.90 )
Rjup
Rearth
Planetary surface gravity 41.7 +5.1 −4.5
3.62 +0.05 −0.05
m/s2
log(cgs)
Planetary mean density 1.49 ± 0.25
( 1.98 ± 0.33 )
ρjup
g cm-3
Planetary equilibrium temperature 1540 ± 50 K
Reference of detailed study 2017MNRAS.465.3693H  

 

WASP-141 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-141 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)