TEPCat: WASP-177


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-177. 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 22 19 11.19 h m s
Declination −01 50 04.7 d m s
V-band apparent magnitude 12.58 mag
K-band apparent magnitude   mag
Transit duration 0.0672
( 1.613 )
day
hour
Transit depth 1.9 %
Time of mid-transit   2457994.37140 ± 0.00028     HJD or BJD
Orbital period 3.071722 ± 0.000001 days
Reference for orbital ephemeris   arXiv:1903.06622  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5017 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.25 ± 0.04 dex
Stellar mass 0.876 ± 0.038   Msun
Stellar radius 0.885 ± 0.046 Rsun
Stellar logarithmic surface gravity 4.486 +0.049 −0.037 c.g.s.
Stellar mean density 1.26 +0.23 −0.15
( 1.78 +0.32 −0.21 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.03957 ± 0.00058  AU
Planetary mass 0.508 ± 0.038
( 161 ± 12 )
Mjup
Mearth
Planetary radius 1.58 +0.66 −0.36
( 17.7 + 7.4 − 4.0 )
Rjup
Rearth
Planetary surface gravity 4.7 +3.1 −2.4
2.7 +0.2 −0.3
m/s2
log(cgs)
Planetary mean density 0.130 +0.153 −0.085
( 0.17 +0.20 −0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1142 ± 32 K
Reference of detailed study arXiv:1903.06622  

 

WASP-177 does not have an entry in the catalogue of orbital obliquity measurements.

 

WASP-177 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)