TEPCat: HATS-42


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-42. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018MNRAS.477.3406B  
Date of discovery paper 2018 / 4 / 6 y / m / d
Right ascension 07 13 48.58 h m s
Declination −33 26 14.4 d m s
V-band apparent magnitude 13.62 mag
K-band apparent magnitude 12.25 mag
Transit duration 0.1361
( 3.266 )
day
hour
Transit depth 1.2 %
Time of mid-transit   2456768.60734 ± 0.00069     HJD or BJD
Orbital period 2.2921020 ± 0.0000021 days
Reference for orbital ephemeris   2018MNRAS.477.3406B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6060 ± 120 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.220 ± 0.070 dex
Stellar mass 1.273 ± 0.067   Msun
Stellar radius 1.48 +0.20 −0.12 Rsun
Stellar logarithmic surface gravity 4.201 ± 0.070 c.g.s.
Stellar mean density 0.39 ± 0.09
( 0.55 ± 0.13 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.229 −0.0  
Orbital semimajor axis   0.03689 ± 0.00065  AU
Planetary mass 1.88 ± 0.15
( 597 ± 47 )
Mjup
Mearth
Planetary radius 1.40 +0.25 −0.14
( 15.7 + 2.8 − 1.6 )
Rjup
Rearth
Planetary surface gravity 23.4 +5.5 −6.3
3.37 +0.09 −0.14
m/s2
log(cgs)
Planetary mean density 0.63 ± 0.21
( 0.84 ± 0.28 )
ρjup
g cm-3
Planetary equilibrium temperature 1856 +105 −76 K
Reference of detailed study 2018MNRAS.477.3406B  

 

HATS-42 does not have an entry in the catalogue of orbital obliquity measurements.

 

HATS-42 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)