TEPCat: WASP-44


 

This page summarises the information held within TEPCat for the transiting planetary system WASP-44. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012MNRAS.422.1988A  
Date of discovery paper 2011 / 5 / 17 y / m / d
Right ascension 00 15 36.76 h m s
Declination −11 56 17.4 d m s
V-band apparent magnitude 12.88 mag
K-band apparent magnitude 11.34 mag
Transit duration 0.0936
( 2.246 )
day
hour
Transit depth 1.6 %
Time of mid-transit   2455434.37655 ± 0.00020     HJD or BJD
Orbital period 2.4238120 ± 0.0000012 days
Reference for orbital ephemeris   2016MNRAS.459..789T  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5400 ± 150 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.06 ± 0.10 dex
Stellar mass 0.917 ± 0.092   Msun
Stellar radius 0.865 ± 0.038 Rsun
Stellar logarithmic surface gravity 4.526 ± 0.020 c.g.s.
Stellar mean density 1.414 ± 0.058
( 1.995 ± 0.082 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.03445 ± 0.00112  AU
Planetary mass 0.869 ± 0.081
( 276 ± 25 )
Mjup
Mearth
Planetary radius 1.002 ± 0.038
( 11.23 ± 0.43 )
Rjup
Rearth
Planetary surface gravity 21.5 ± 1.6
3.33 ± 0.03
m/s2
log(cgs)
Planetary mean density 0.808 ± 0.074
( 1.072 ± 0.098 )
ρjup
g cm-3
Planetary equilibrium temperature 1304 ± 37 K
Reference of detailed study 2013MNRAS.430.2932M  

 

WASP-44 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

WASP-44 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)