TEPCat: HATS-54


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-54. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1812.07668  
Date of discovery paper 2018 / 12 / 20 y / m / d
Right ascension 13 22 32.37 h m s
Declination −44 41 19.7 d m s
V-band apparent magnitude 13.91 mag
K-band apparent magnitude 12.17 mag
Transit duration 0.1042
( 2.501 )
day
hour
Transit depth 0.9 %
Time of mid-transit   2457780.01102 ± 0.00089     HJD or BJD
Orbital period 2.5441828 ± 0.0000043 days
Reference for orbital ephemeris   arXiv:1812.07668  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5528 ± 78 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.390 ± 0.032 dex
Stellar mass 1.097 ± 0.022   Msun
Stellar radius 1.317 ± 0.036 Rsun
Stellar logarithmic surface gravity 4.240 ± 0.023 c.g.s.
Stellar mean density 0.481 ± 0.038
( 0.679 ± 0.054 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.126 −0.0  
Orbital semimajor axis   0.03763 ± 0.00024  AU
Planetary mass 0.76 ± 0.10
( 241 ± 31 )
Mjup
Mearth
Planetary radius 1.067 ± 0.052
( 11.96 ± 0.58 )
Rjup
Rearth
Planetary surface gravity 16.4 +3.1 −2.6
3.21 +0.08 −0.07
m/s2
log(cgs)
Planetary mean density 0.580 ± 0.121
( 0.77 ± 0.16 )
ρjup
g cm-3
Planetary equilibrium temperature 1625 ± 22 K
Reference of detailed study arXiv:1812.07668  

 

HATS-54 does not have an entry in the catalogue of orbital obliquity measurements.

 

HATS-54 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/02           John Southworth   (Keele University, UK)