TEPCat: HATS-28


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-28. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016AJ....152..108E  
Date of discovery paper 2016 / 6 / 2 y / m / d
Right ascension 18 57 36.00 h m s
Declination −49 08 18.5 d m s
V-band apparent magnitude 13.93 mag
K-band apparent magnitude 12.09 mag
Transit duration 0.0981
( 2.354 )
day
hour
Transit depth 2.1 %
Time of mid-transit   2457034.28300 ± 0.00046     HJD or BJD
Orbital period 3.1810781 ± 0.0000039 days
Reference for orbital ephemeris   2016AJ....152..108E  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5498 ± 84 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.010 ± 0.060 dex
Stellar mass 0.929 ± 0.036   Msun
Stellar radius 0.922 ± 0.040 Rsun
Stellar logarithmic surface gravity 4.476 ± 0.039 c.g.s.
Stellar mean density 1.19 ± 0.19
( 1.68 ± 0.27 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.202 −0.0  
Orbital semimajor axis   0.04131 ± 0.00053  AU
Planetary mass 0.672 ± 0.087
( 213 ± 27 )
Mjup
Mearth
Planetary radius 1.194 ± 0.070
( 13.38 ± 0.78 )
Rjup
Rearth
Planetary surface gravity 11.6 +2.2 −1.9
3.06 +0.08 −0.08
m/s2
log(cgs)
Planetary mean density 0.36 ± 0.08
( 0.48 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1253 ± 35 K
Reference of detailed study 2016AJ....152..108E  

 

HATS-28 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-28 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)