TEPCat: WASP-99


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-99. 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 02 39 35.44 h m s
Declination −50 00 28.8 d m s
V-band apparent magnitude 9.48 mag
K-band apparent magnitude 8.09 mag
Transit duration 0.219
( 5.26 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2456224.9824 ± 0.0014     HJD or BJD
Orbital period 5.75251 ± 0.00004 days
Reference for orbital ephemeris   2014MNRAS.440.1982H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6150 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.21 ± 0.15 dex
Stellar mass 1.48 ± 0.10   Msun
Stellar radius 1.76 +0.11 −0.06 Rsun
Stellar logarithmic surface gravity 4.12 +0.02 −0.04 c.g.s.
Stellar mean density 0.27 +0.02 −0.04
( 0.381 +0.028 −0.056 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.02 −0.0  
Orbital semimajor axis   0.0717 ± 0.0016  AU
Planetary mass 2.78 ± 0.13
( 883 ± 41 )
Mjup
Mearth
Planetary radius 1.10 +0.08 −0.05
( 12.33 + 0.90 − 0.56 )
Rjup
Rearth
Planetary surface gravity 52.5 +3.8 −6.8
3.72 +0.03 −0.06
m/s2
log(cgs)
Planetary mean density 2.1 ± 0.3
( 2.79 ± 0.40 )
ρjup
g cm-3
Planetary equilibrium temperature 1480 ± 40 K
Reference of detailed study 2014MNRAS.440.1982H  

 

WASP-99 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-99 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


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