TEPCat: HATS-44


 

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

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1707.07093  
Date of discovery paper 2017 / 7 / 25 y / m / d
Right ascension 05 37 18.41 h m s
Declination −27 58 21.4 d m s
V-band apparent magnitude 14.43 mag
K-band apparent magnitude 12.17 mag
Transit duration 0.0688
( 1.651 )
day
hour
Transit depth 1.6 %
Time of mid-transit   2456931.11384 ± 0.00061     HJD or BJD
Orbital period 2.7439004 ± 0.0000032 days
Reference for orbital ephemeris   arXiv:1707.07093  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5080 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.320 ± 0.071 dex
Stellar mass 0.860 ± 0.021   Msun
Stellar radius 0.847 ± 0.036 Rsun
Stellar logarithmic surface gravity 4.514 ± 0.036 c.g.s.
Stellar mean density 1.40 ± 0.18
( 1.98 ± 0.25 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.279 −0.0  
Orbital semimajor axis   0.03649 ± 0.00030  AU
Planetary mass 0.56 ± 0.11
( 178 ± 34 )
Mjup
Mearth
Planetary radius 1.067 +0.125 −0.071
( 11.96 + 1.40 − 0.80 )
Rjup
Rearth
Planetary surface gravity 12.0 +4.2 −3.1
3.1 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 0.42 ± 0.14
( 0.56 ± 0.19 )
ρjup
g cm-3
Planetary equilibrium temperature 1161 ± 34 K
Reference of detailed study arXiv:1707.07093  

 

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

 

HATS-44 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)