TEPCat: WASP-137


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-137. 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 01 43 29.09 h m s
Declination −14 08 56.8 d m s
V-band apparent magnitude 10.89 mag
K-band apparent magnitude 9.46 mag
Transit duration 0.1425
( 3.420 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2456937.6134 ± 0.0011     HJD or BJD
Orbital period 3.9080284 ± 0.0000053 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])   +0.08 ± 0.07 dex
Stellar mass 1.216 ± 0.066   Msun
Stellar radius 1.52 ± 0.11 Rsun
Stellar logarithmic surface gravity 4.155 ± 0.059 c.g.s.
Stellar mean density 0.343 ± 0.066
( 0.484 ± 0.093 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.14 −0.0  
Orbital semimajor axis   0.0519 ± 0.0018  AU
Planetary mass 0.681 ± 0.054
( 216 ± 17 )
Mjup
Mearth
Planetary radius 1.27 ± 0.11
( 14.2 ± 1.2 )
Rjup
Rearth
Planetary surface gravity 9.6 +1.7 −1.4
2.98 +0.07 −0.07
m/s2
log(cgs)
Planetary mean density 0.333 ± 0.081
( 0.44 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1601 ± 65 K
Reference of detailed study arXiv:1812.09264  

 

WASP-137 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-137 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)