TEPCat: WASP-181


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-181. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1903.06622  
Date of discovery paper 2019 / 3 / 18 y / m / d
Right ascension 01 47 10.37 h m s
Declination +03 07 59.0 d m s
V-band apparent magnitude 12.91 mag
K-band apparent magnitude 11.44 mag
Transit duration 0.1277
( 3.065 )
day
hour
Transit depth 1.6 %
Time of mid-transit   2457747.66681 ± 0.00035     HJD or BJD
Orbital period 4.5195064 ± 0.0000034 days
Reference for orbital ephemeris   arXiv:1903.06622  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5839 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.09 ± 0.04 dex
Stellar mass 1.04 ± 0.04   Msun
Stellar radius 0.965 ± 0.043 Rsun
Stellar logarithmic surface gravity 4.487 ± 0.039 c.g.s.
Stellar mean density 1.16 ± 0.15
( 1.64 ± 0.21 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.05427 ± 0.00069  AU
Planetary mass 0.299 ± 0.034
( 95 ± 10 )
Mjup
Mearth
Planetary radius 1.184 +0.071 −0.059
( 13.27 + 0.80 − 0.66 )
Rjup
Rearth
Planetary surface gravity 4.85 +0.78 −0.67
2.69 +0.06 −0.06
m/s2
log(cgs)
Planetary mean density 0.179 ± 0.033
( 0.237 ± 0.044 )
ρjup
g cm-3
Planetary equilibrium temperature 1186 +32 −26 K
Reference of detailed study arXiv:1903.06622  

 

WASP-181 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-181 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/02           John Southworth   (Keele University, UK)