TEPCat: HATS-46


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-46. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018AJ....155..112B  
Date of discovery paper 2017 / 7 / 25 y / m / d
Right ascension 00 26 48.58 h m s
Declination −56 18 58.0 d m s
V-band apparent magnitude 13.63 mag
K-band apparent magnitude 11.97 mag
Transit duration 0.1014
( 2.434 )
day
hour
Transit depth 1.4 %
Time of mid-transit   2457149.05166 ± 0.00056     HJD or BJD
Orbital period 4.7423749 ± 0.0000043 days
Reference for orbital ephemeris   2021MNRAS.501.5393L  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5451 ± 19 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.029 ± 0.039 dex
Stellar mass 0.869 ± 0.023   Msun
Stellar radius 0.894 ± 0.010 Rsun
Stellar logarithmic surface gravity 4.474 ± 0.019 c.g.s.
Stellar mean density 1.215 ± 0.069
( 1.714 ± 0.097 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.559 −0.0  
Orbital semimajor axis   0.05272 ± 0.00045  AU
Planetary mass 0.158 ± 0.042
( 50 ± 13 )
Mjup
Mearth
Planetary radius 0.951 ± 0.029
( 10.66 ± 0.33 )
Rjup
Rearth
Planetary surface gravity 4.4 +1.7 −1.2
2.6 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 0.171 ± 0.049
( 0.227 ± 0.065 )
ρjup
g cm-3
Planetary equilibrium temperature 1082 ± 8 K
Reference of detailed study 2021MNRAS.501.5393L  

 

HATS-46 does not have an entry in the catalogue of orbital obliquity measurements.

 

HATS-46 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)