TEPCat: HATS-45


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-45. 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 06 47 58.63 h m s
Declination −21 54 38.5 d m s
V-band apparent magnitude 13.31 mag
K-band apparent magnitude 12.14 mag
Transit duration 0.1269
( 3.046 )
day
hour
Transit depth 1.2 %
Time of mid-transit   2456731.19533 ± 0.00073     HJD or BJD
Orbital period 4.1876244 ± 0.0000056 days
Reference for orbital ephemeris   arXiv:1707.07093  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6450 ± 110 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.020 ± 0.068 dex
Stellar mass 1.272 ± 0.048   Msun
Stellar radius 1.315 ± 0.064 Rsun
Stellar logarithmic surface gravity 4.305 ± 0.036 c.g.s.
Stellar mean density 0.60 ± 0.07
( 0.847 ± 0.099 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.240 −0.0  
Orbital semimajor axis   0.05511 ± 0.00069  AU
Planetary mass 0.70 ± 0.15
( 222 ± 47 )
Mjup
Mearth
Planetary radius 1.286 ± 0.093
( 14.4 ± 1.0 )
Rjup
Rearth
Planetary surface gravity 10.5 +3.3 −2.5
3.0 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 0.31 +0.12 −0.08
( 0.41 +0.16 −0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1518 ± 45 K
Reference of detailed study arXiv:1707.07093  

 

HATS-45 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-45 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)