TEPCat: WASP-149


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-149. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1412.7761  
Date of discovery paper 2019 / 2 / 11 y / m / d
Right ascension 08 16 17.67 h m s
Declination −08 41 12.0 d m s
V-band apparent magnitude 11.69 mag
K-band apparent magnitude 9.83 mag
Transit duration 0.0842
( 2.021 )
day
hour
Transit depth 1.9 %
Time of mid-transit   2457160.52490 ± 0.00007     HJD or BJD
Orbital period 1.332811 ± 0.000001 days
Reference for orbital ephemeris   arXiv:1412.7761  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5750 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.16 ± 0.11 dex
Stellar mass 1.09 ± 0.06   Msun
Stellar radius 1.02 ± 0.03 Rsun
Stellar logarithmic surface gravity 4.478 ± 0.001 c.g.s.
Stellar mean density 1.03 ± 0.06
( 1.453 ± 0.085 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0247 ± 0.0004  AU
Planetary mass 1.02 ± 0.04
( 324 ± 12 )
Mjup
Mearth
Planetary radius 1.32 ± 0.04
( 14.80 ± 0.45 )
Rjup
Rearth
Planetary surface gravity 14.6 ± 3.4
3.16 ± 0.09
m/s2
log(cgs)
Planetary mean density 0.497
( 0.66
ρjup
g cm-3
Planetary equilibrium temperature 1870 K
Reference of detailed study arXiv:1412.7761  

 

WASP-149 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-149 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)