TEPCat: HATS-23


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-23. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017MNRAS.468..835B  
Date of discovery paper 2016 / 7 / 5 y / m / d
Right ascension 19 05 27.96 h m s
Declination −50 04 02.5 d m s
V-band apparent magnitude 13.90 mag
K-band apparent magnitude 12.26 mag
Transit duration 0.0752
( 1.805 )
day
hour
Transit depth 1.6 %
Time of mid-transit   2457072.85266 ± 0.00070     HJD or BJD
Orbital period 2.1605156 ± 0.0000045 days
Reference for orbital ephemeris   2017MNRAS.468..835B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5780 ± 120 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.280 ± 0.070 dex
Stellar mass 1.121 ± 0.046   Msun
Stellar radius 1.199 +0.061 −0.081 Rsun
Stellar logarithmic surface gravity 4.328 ± 0.044 c.g.s.
Stellar mean density 0.64 +0.14 −0.08
( 0.90 +0.20 −0.11 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.114 −0.0  
Orbital semimajor axis   0.03397 ± 0.00047  AU
Planetary mass 1.470 ± 0.072
( 467 ± 22 )
Mjup
Mearth
Planetary radius 1.86 +0.30 −0.40
( 20.8 + 3.4 − 4.5 )
Rjup
Rearth
Planetary surface gravity 10.5 +6.5 −2.5
3.0 +0.2 −0.1
m/s2
log(cgs)
Planetary mean density 0.22 +0.23 −0.08
( 0.29 +0.31 −0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1654 ± 54 K
Reference of detailed study 2017MNRAS.468..835B  

 

HATS-23 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-23 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/12           John Southworth   (Keele University, UK)