TEPCat: HATS-22


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-22. 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 11 36 02.16 h m s
Declination −29 32 35.9 d m s
V-band apparent magnitude 13.46 mag
K-band apparent magnitude 10.94 mag
Transit duration 0.0913
( 2.191 )
day
hour
Transit depth 2.5 %
Time of mid-transit   2457078.58030 ± 0.00022     HJD or BJD
Orbital period 4.7228124 ± 0.0000052 days
Reference for orbital ephemeris   2017MNRAS.468..835B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4803 ± 55 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.000 ± 0.040 dex
Stellar mass 0.759 ± 0.019   Msun
Stellar radius 0.689 +0.028 −0.018 Rsun
Stellar logarithmic surface gravity 4.644 ± 0.028 c.g.s.
Stellar mean density 2.32 +0.18 −0.28
( 3.27 +0.25 −0.40 )
ρsun
g cm-3
Orbital eccentricity 0.079 ± 0.026  
Orbital semimajor axis   0.05025 ± 0.00042  AU
Planetary mass 2.74 ± 0.11
( 871 ± 34 )
Mjup
Mearth
Planetary radius 0.953 +0.048 −0.029
( 10.68 + 0.54 − 0.33 )
Rjup
Rearth
Planetary surface gravity 73.8 +6.4 −5.9
3.87 +0.04 −0.04
m/s2
log(cgs)
Planetary mean density 2.93 ± 0.34
( 3.89 ± 0.45 )
ρjup
g cm-3
Planetary equilibrium temperature 858 +24 −17 K
Reference of detailed study 2017MNRAS.468..835B  

 

HATS-22 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-22 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/05           John Southworth   (Keele University, UK)