TEPCat: WASP-127


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-127. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017A+A...599A...3L  
Date of discovery paper 2016 / 7 / 27 y / m / d
Right ascension 10 42 14.08 h m s
Declination −03 50 06.3 d m s
V-band apparent magnitude 10.16 mag
K-band apparent magnitude 8.64 mag
Transit duration 0.1795
( 4.308 )
day
hour
Transit depth 1.1 %
Time of mid-transit   2457248.74131 ± 0.00016     HJD or BJD
Orbital period 4.178062 ± 0.000002 days
Reference for orbital ephemeris   2017A+A...599A...3L  

 

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])   −0.18 ± 0.06 dex
Stellar mass 1.08 ± 0.03   Msun
Stellar radius 1.39 ± 0.03 Rsun
Stellar logarithmic surface gravity 4.18 ± 0.01 c.g.s.
Stellar mean density 0.404 ± 0.015
( 0.570 ± 0.021 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0520 ± 0.0005  AU
Planetary mass 0.18 ± 0.02
( 57.2 ± 6.4 )
Mjup
Mearth
Planetary radius 1.37 ± 0.03
( 15.36 ± 0.34 )
Rjup
Rearth
Planetary surface gravity 2.14 +0.32 −0.28
2.33 +0.06 −0.06
m/s2
log(cgs)
Planetary mean density 0.068 ± 0.010
( 0.090 ± 0.013 )
ρjup
g cm-3
Planetary equilibrium temperature 1400 ± 24 K
Reference of detailed study 2017A+A...599A...3L  

 

WASP-127 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-127 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/13           John Southworth   (Keele University, UK)