TEPCat: HATS-7


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-7. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015ApJ...813..111B  
Date of discovery paper 2015 / 7 / 7 y / m / d
Right ascension 13 55 25.68 h m s
Declination −21 12 27.7 d m s
V-band apparent magnitude 13.34 mag
K-band apparent magnitude 10.98 mag
Transit duration 0.0958
( 2.299 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2456528.29697 ± 0.00058     HJD or BJD
Orbital period 3.1853150 ± 0.0000054 days
Reference for orbital ephemeris   2015ApJ...813..111B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4985 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.250 ± 0.080 dex
Stellar mass 0.849 ± 0.027   Msun
Stellar radius 0.815 +0.049 −0.035 Rsun
Stellar logarithmic surface gravity 4.545 ± 0.049 c.g.s.
Stellar mean density 1.57 ± 0.23
( 2.22 ± 0.32 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.170 −0.0  
Orbital semimajor axis   0.04012 ± 0.00043  AU
Planetary mass 0.120 ± 0.012
( 38.1 ± 3.8 )
Mjup
Mearth
Planetary radius 0.563 +0.046 −0.034
( 6.31 +0.52 −0.38 )
Rjup
Rearth
Planetary surface gravity 9.3 +1.8 −1.5
2.97 +0.08 −0.08
m/s2
log(cgs)
Planetary mean density 0.63 ± 0.14
( 0.84 ± 0.19 )
ρjup
g cm-3
Planetary equilibrium temperature 1084 ± 32 K
Reference of detailed study 2015ApJ...813..111B  

 

HATS-7 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-7 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/12           John Southworth   (Keele University, UK)