TEPCat: HATS-47


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-47. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2002.05776  
Date of discovery paper 2020 / 2 / 17 y / m / d
Right ascension 19 09 56.25 h m s
Declination −49 39 53.9 d m s
V-band apparent magnitude 14.83 mag
K-band apparent magnitude 11.93 mag
Transit duration 0.08343
( 2.0023 )
day
hour
Transit depth 3.0 %
Time of mid-transit   2457365.35804 ± 000029     HJD or BJD
Orbital period 3.9228038 ± 0.0000022 days
Reference for orbital ephemeris   arXiv:2002.05776  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4479 ± 51 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.140 ± 0.066 dex
Stellar mass 0.674 +0.016 −0.012   Msun
Stellar radius 0.6564 ± 0.0055 Rsun
Stellar logarithmic surface gravity 4.633 ± 0.011 c.g.s.
Stellar mean density 2.381 +0.092 −0.070
( 3.360 +0.130 −0.099 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.088 −0.0  
Orbital semimajor axis   0.04269 +0.00033 −0.00025  AU
Planetary mass 0.369 +0.031 −0.021
( 117.30 +9.85 −6.68 )
Mjup
Mearth
Planetary radius 1.117 ± 0.014
( 12.52 ± 0.16 )
Rjup
Rearth
Planetary surface gravity 7.35 +0.56 −0.52
2.87 +0.03 −0.03
m/s2
log(cgs)
Planetary mean density 0.250 ± 0.020
( 0.332 ± 0.027 )
ρjup
g cm-3
Planetary equilibrium temperature 853 ± 5 K
Reference of detailed study arXiv:2002.05776  

 

HATS-47 does not have an entry in the catalogue of orbital obliquity measurements.

 

HATS-47 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/01/04           John Southworth   (Keele University, UK)