TEPCat: HATS-9


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-9. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015AJ....150...33B  
Date of discovery paper 2015 / 3 / 3 y / m / d
Right ascension 19 23 14.28 h m s
Declination −20 09 58.7 d m s
V-band apparent magnitude 13.28 mag
K-band apparent magnitude 11.48 mag
Transit duration 0.14618
( 3.5083 )
day
hour
Transit depth 0.7 %
Time of mid-transit   2457380.702470 ± 0.000036     HJD or BJD
Orbital period 1.91531100 ± 0.00000094 days
Reference for orbital ephemeris   arXiv:1706.03858  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5366 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.340 ± 0.050 dex
Stellar mass 1.030 ± 0.039   Msun
Stellar radius 1.503 +0.101 −0.043 Rsun
Stellar logarithmic surface gravity 4.095 ± 0.038 c.g.s.
Stellar mean density 0.303 +0.021 −0.050
( 0.428 +0.030 −0.071 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.129 −0.0  
Orbital semimajor axis   0.03048 ± 0.00038  AU
Planetary mass 0.816 ± 0.038
( 259 ± 12 )
Mjup
Mearth
Planetary radius 1.1724 ± 0.0098
( 13.14 ± 0.11 )
Rjup
Rearth
Planetary surface gravity 17.9 +3.0 −2.6
3.25 +0.07 −0.07
m/s2
log(cgs)
Planetary mean density 0.472 ± 0.022
( 0.626 ± 0.029 )
ρjup
g cm-3
Planetary equilibrium temperature 1823 +52 −35 K
Reference of detailed study arXiv:1706.03858  

 

HATS-9 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-9 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)