TEPCat: HATS-31


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-31. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016AJ....152..161D  
Date of discovery paper 2016 / 7 / 4 y / m / d
Right ascension 12 46 48.72 h m s
Declination −24 25 38.5 d m s
V-band apparent magnitude 13.11 mag
K-band apparent magnitude 11.57 mag
Transit duration 0.1914
( 4.594 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2456960.1476 ± 0.0011     HJD or BJD
Orbital period 3.377960 ± 0.000012 days
Reference for orbital ephemeris   2016AJ....152..161D  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6050 ± 120 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.000 ± 0.070 dex
Stellar mass 1.275 ± 0.096   Msun
Stellar radius 1.87 ± 0.18 Rsun
Stellar logarithmic surface gravity 4.000 ± 0.065 c.g.s.
Stellar mean density 0.195 +0.058 −0.042
( 0.275 +0.082 −0.059 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.233 −0.0  
Orbital semimajor axis   0.0478 ± 0.0012  AU
Planetary mass 0.88 ± 0.12
( 279 ± 38 )
Mjup
Mearth
Planetary radius 1.64 ± 0.22
( 18.4 ± 2.5 )
Rjup
Rearth
Planetary surface gravity 7.9 +2.5 −1.9
2.9 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 0.183 +0.093 −0.066
( 0.243 +0.123 −0.088 )
ρjup
g cm-3
Planetary equilibrium temperature 1823 ± 81 K
Reference of detailed study 2016AJ....152..161D  

 

HATS-31 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-31 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)