TEPCat: HATS-4


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-4. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014AJ....148...29J  
Date of discovery paper 2014 / 2 / 27 y / m / d
Right ascension 06 16 26.90 h m s
Declination −22 32 48.8 d m s
V-band apparent magnitude 13.46 mag
K-band apparent magnitude 11.61 mag
Transit duration 0.1053
( 2.527 )
day
hour
Transit depth 2.0 %
Time of mid-transit   2455808.34095 ± 0.00036     HJD or BJD
Orbital period 2.516729 ± 0.000002 days
Reference for orbital ephemeris   2014AJ....148...29J  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5403 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.43 ± 0.08 dex
Stellar mass 1.001 ± 0.020   Msun
Stellar radius 0.925 ± 0.022 Rsun
Stellar logarithmic surface gravity 4.51 ± 0.02 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.013 ± 0.016  
Orbital semimajor axis   0.0362 ± 0.0002  AU
Planetary mass 1.323 ± 0.028
( 420.57 ± 8.90 )
Mjup
Mearth
Planetary radius 1.020 ± 0.037
( 11.43 ± 0.41 )
Rjup
Rearth
Planetary surface gravity 31.6 ± 2.2
3.50 ± 0.03
m/s2
log(cgs)
Planetary mean density 1.17 ± 0.12
( 1.55 ± 0.16 )
ρjup
g cm-3
Planetary equilibrium temperature 1315 ± 21 K
Reference of detailed study 2014AJ....148...29J  

 

HATS-4 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-4 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)