TEPCat: HATS-12


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-12. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016AJ....152...88R  
Date of discovery paper 2016 / 3 / 10 y / m / d
Right ascension 19 16 48.72 h m s
Declination −19 21 21.2 d m s
V-band apparent magnitude 12.76 mag
K-band apparent magnitude 11.39 mag
Transit duration 0.18849
( 4.5238 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2457364.66541 ± 0.00012     HJD or BJD
Orbital period 3.1428347 ± 0.000011 days
Reference for orbital ephemeris   arXiv:1706.03858  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6408 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.100 ± 0.040 dex
Stellar mass 1.489 ± 0.071   Msun
Stellar radius 2.21 ± 0.21 Rsun
Stellar logarithmic surface gravity 3.923 ± 0.065 c.g.s.
Stellar mean density 0.139 +0.040 −0.031
( 0.196 +0.056 −0.044 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.085 −0.0  
Orbital semimajor axis   0.04795 ± 0.00077  AU
Planetary mass 2.390 ± 0.087
( 759 ± 27 )
Mjup
Mearth
Planetary radius 1.384 ± 0.059
( 15.51 ± 0.66 )
Rjup
Rearth
Planetary surface gravity 32.1 +7.8 −6.3
3.51 +0.09 −0.09
m/s2
log(cgs)
Planetary mean density 0.84 +0.11 −0.14
( 1.11 +0.15 −0.19 )
ρjup
g cm-3
Planetary equilibrium temperature 2097 ± 89 K
Reference of detailed study arXiv:1706.03858  

 

HATS-12 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-12 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)