TEPCat: WASP-100


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-100. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014MNRAS.440.1982H  
Date of discovery paper 2013 / 10 / 22 y / m / d
Right ascension 04 35 50.32 h m s
Declination −64 01 37.3 d m s
V-band apparent magnitude 10.80 mag
K-band apparent magnitude 9.67 mag
Transit duration 0.160
( 3.84 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2458509.10542 ± 0.00014     HJD or BJD
Orbital period 2.8493823 ± 0.0000012 days
Reference for orbital ephemeris   2020AJ....160..155W  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6940 ± 120 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.00 ± 0.08 dex
Stellar mass 1.47 +0.06 −0.05   Msun
Stellar radius 1.67 +0.18 −0.11 Rsun
Stellar logarithmic surface gravity 4.16 +0.06 −0.08 c.g.s.
Stellar mean density 0.269 +0.010 −0.009
( 0.380 +0.014 −0.013 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.10 −0.0  
Orbital semimajor axis   0.043 +0.005 −0.003  AU
Planetary mass 2.03 ± 0.12
( 645 ± 38 )
Mjup
Mearth
Planetary radius 1.4 +0.2 −0.3
( 15.7 + 2.2 − 3.4 )
Rjup
Rearth
Planetary surface gravity 16.2 +6.7 −4.7
3.2 +0.2 −0.1
m/s2
log(cgs)
Planetary mean density 0.4 ± 0.2
( 0.53 ± 0.27 )
ρjup
g cm-3
Planetary equilibrium temperature 2077 +58 −55 K
Reference of detailed study arXiv:2001.10580  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Addison et al. (2018)   79   + 19   - 10  

 

 

WASP-100 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)