TEPCat: WASP-140


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-140. 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
Data/telescope used for discovery WASP  
Right ascension 04 01 32.53 h m s
Declination −20 27 03.9 d m s
Right ascension (decimal) 60.38554 degrees
Declination (decimal) -20.45108 degrees
V-band apparent magnitude 11.13 mag
K-band apparent magnitude 9.17 mag
Transit duration 0.0631
( 1.514 )
day
hour
Transit depth 1.9 %
Time of mid-transit   2456912.35143 ± 0.00028     HJD or BJD
Orbital period 2.23598468 ± 0.00000036 days
Reference for orbital ephemeris   arXiv:2202.11990  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5300 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.12 ± 0.10 dex
Stellar mass 0.90 ± 0.04   Msun
Stellar radius 0.87 ± 0.04 Rsun
Stellar logarithmic surface gravity 4.51 ± 0.04 c.g.s.
Stellar mean density 1.38 ± 0.18
( 1.95 ± 0.25 )
ρsun
g cm-3
Orbital eccentricity 0.0470 ± 0.0035  
Orbital semimajor axis   0.0323 ± 0.0005  AU
Planetary mass 2.44 ± 0.07
( 775 ± 22 )
Mjup
Mearth
Planetary radius 1.27 ± 0.06
( 14.24 ± 0.67 )
Rjup
Rearth
Planetary surface gravity 39.1 ± 0.8
3.592 ± 0.009
m/s2
log(cgs)
Planetary mean density 1.19 ± 0.07
( 1.579 ± 0.093 )
ρjup
g cm-3
Planetary equilibrium temperature 1270 ± 25 K
Reference of detailed study 2022AN....34324012A  

 

WASP-140 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-140 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)