TEPCat: HATS-55


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-55. 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 07 37 08.02 h m s
Declination −32 45 19.5 d m s
V-band apparent magnitude 13.47 mag
K-band apparent magnitude 12.02 mag
Transit duration 0.1160
( 2.784 )
day
hour
Transit depth 1.4 %
Time of mid-transit   2457413.13042 ± 0.00051     HJD or BJD
Orbital period 4.2042001 ± 0.0000033 days
Reference for orbital ephemeris   arXiv:1812.07668  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6095 ± 92 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.220 ± 0.049 dex
Stellar mass 1.196 +0.009 −0.012   Msun
Stellar radius 1.126 ± 0.011 Rsun
Stellar logarithmic surface gravity 4.412 ± 0.007 c.g.s.
Stellar mean density 0.836 ± 0.021
( 1.180 ± 0.030 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.092 −0.0  
Orbital semimajor axis   0.05412 +0.00014 −0.00018  AU
Planetary mass 0.921 ± 0.076
( 292 ± 24 )
Mjup
Mearth
Planetary radius 1.251 ± 0.026
( 14.02 ± 0.29 )
Rjup
Rearth
Planetary surface gravity 14.6 +1.5 −1.3
3.16 +0.04 −0.04
m/s2
log(cgs)
Planetary mean density 0.443 ± 0.047
( 0.588 ± 0.062 )
ρjup
g cm-3
Planetary equilibrium temperature 1367 ± 10 K
Reference of detailed study arXiv:1812.07668  

 

HATS-55 does not have an entry in the catalogue of orbital obliquity measurements.

 

HATS-55 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)