TEPCat: HATS-38


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-38. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2007.07135  
Date of discovery paper 2020 / 7 / 15 y / m / d
Right ascension 10 17 05.08 h m s
Declination −25 16 34.6 d m s
V-band apparent magnitude 12.41 mag
K-band apparent magnitude 10.77 mag
Transit duration 0.1340
( 3.216 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2457725.16042 ± 0.00072     HJD or BJD
Orbital period 4.375021 ± 0.000010 days
Reference for orbital ephemeris   arXiv:2007.07135  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5732 ± 25 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.102 ± 0.043 dex
Stellar mass 0.890 +0.016 −0.012   Msun
Stellar radius 1.105 ± 0.016 Rsun
Stellar logarithmic surface gravity 4.301 ± 0.013 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0 +0.122 −0.0  
Orbital semimajor axis   0.05036 +0.00030 −0.00023  AU
Planetary mass 0.074 ± 0.011
( 23.5 ± 3.5 )
Mjup
Mearth
Planetary radius 0.614 ± 0.017
( 6.88 ± 0.19 )
Rjup
Rearth
Planetary surface gravity 4.91 +0.93 −0.78
2.69 +0.08 −0.08
m/s2
log(cgs)
Planetary mean density 0.304 ± 0.054
( 0.403 ± 0.072 )
ρjup
g cm-3
Planetary equilibrium temperature 1294 ± 10 K
Reference of detailed study arXiv:2007.07135  

 

HATS-38 does not have an entry in the catalogue of orbital obliquity measurements.

 

HATS-38 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)