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 arXiv:1707.07093  
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   2457376.68539 ± 0.00060     HJD or BJD
Orbital period 4.7423729 ± 0.0000049 days
Reference for orbital ephemeris   arXiv:1707.07093  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5495 ± 69 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.060 ± 0.046 dex
Stellar mass 0.917 ± 0.027   Msun
Stellar radius 0.853 +0.040 −0.030 Rsun
Stellar logarithmic surface gravity 4.542 ± 0.038 c.g.s.
Stellar mean density 1.49 +0.16 −0.21
( 2.10 +0.23 −0.30 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.559 −0.0  
Orbital semimajor axis   0.05367 ± 0.00053  AU
Planetary mass 0.173 ± 0.062
( 54 ± 19 )
Mjup
Mearth
Planetary radius 0.903 +0.058 −0.045
( 10.12 + 0.65 − 0.50 )
Rjup
Rearth
Planetary surface gravity 5.1 +2.0 −1.9
2.7 +0.1 −0.2
m/s2
log(cgs)
Planetary mean density 0.21 ± 0.09
( 0.28 ± 0.12 )
ρjup
g cm-3
Planetary equilibrium temperature 1054 ± 29 K
Reference of detailed study arXiv:1707.07093  

 

HATS-46 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-46 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)