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   2456272.3395 ± 0.0009     HJD or BJD
Orbital period 2.849375 ± 0.000008 days
Reference for orbital ephemeris   2014MNRAS.440.1982H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6900 ± 120 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.03 ± 0.10 dex
Stellar mass 1.57 ± 0.10   Msun
Stellar radius 2.0 ± 0.3 Rsun
Stellar logarithmic surface gravity 4.04 ± 0.11 c.g.s.
Stellar mean density 0.20 +0.10 −0.05
( 0.282 +0.141 −0.071 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.10 −0.0  
Orbital semimajor axis   0.0457 ± 0.0010  AU
Planetary mass 2.03 ± 0.12
( 645 ± 38 )
Mjup
Mearth
Planetary radius 1.69 ± 0.29
( 18.9 ± 3.3 )
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 2190 ± 140 K
Reference of detailed study 2014MNRAS.440.1982H  

 

WASP-100 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-100 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)