TEPCat: HATS-57


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-57. 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 04 03 47.60 h m s
Declination −19 03 24.3 d m s
V-band apparent magnitude 12.34 mag
K-band apparent magnitude 10.71 mag
Transit duration 0.1037
( 2.489 )
day
hour
Transit depth 1.9 %
Time of mid-transit   2457778.49589 ± 0.00025     HJD or BJD
Orbital period 2.3506210 ± 0.0000013 days
Reference for orbital ephemeris   arXiv:1812.07668  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5659 ± 84 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.160 ± 0.059 dex
Stellar mass 1.026 +0.019 −0.026   Msun
Stellar radius 0.960 ± 0.011 Rsun
Stellar logarithmic surface gravity 4.484 ± 0.016 c.g.s.
Stellar mean density 1.157 ± 0.053
( 1.633 ± 0.075 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.028 −0.0  
Orbital semimajor axis   0.03493 +0.00021 −0.00030  AU
Planetary mass 3.147 ± 0.073
( 1000 ± 23 )
Mjup
Mearth
Planetary radius 1.139 ± 0.028
( 12.77 ± 0.31 )
Rjup
Rearth
Planetary surface gravity 60.1 +3.5 −3.4
3.78 +0.02 −0.03
m/s2
log(cgs)
Planetary mean density 1.998 ± 0.158
( 2.65 ± 0.21 )
ρjup
g cm-3
Planetary equilibrium temperature 1413 ± 10 K
Reference of detailed study arXiv:1812.07668  

 

HATS-57 does not have an entry in the catalogue of orbital obliquity measurements.

 

HATS-57 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)