TEPCat: HATS-27


 

This page summarises the information held within TEPCat for the transiting planetary system HATS-27. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016AJ....152..108E  
Date of discovery paper 2016 / 6 / 2 y / m / d
Right ascension 12 54 12.60 h m s
Declination −46 35 15.8 d m s
V-band apparent magnitude 12.77 mag
K-band apparent magnitude 11.55 mag
Transit duration 0.2013
( 4.831 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2457029.3374 ± 0.0011     HJD or BJD
Orbital period 4.637038 ± 0.000014 days
Reference for orbital ephemeris   2016AJ....152..108E  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6438 ± 64 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.090 ± 0.040 dex
Stellar mass 1.415 ± 0.048   Msun
Stellar radius 1.74 +0.17 −0.10 Rsun
Stellar logarithmic surface gravity 4.107 ± 0.049 c.g.s.
Stellar mean density 0.269 ± 0.045
( 0.380 ± 0.063 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.581 −0.0  
Orbital semimajor axis   0.06110 ± 0.00068  AU
Planetary mass 0.53 ± 0.13
( 168 ± 41 )
Mjup
Mearth
Planetary radius 1.50 +0.20 −0.11
( 16.8 + 2.2 − 1.2 )
Rjup
Rearth
Planetary surface gravity 5.6 +2.3 −1.6
2.7 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 0.136 ± 0.063
( 0.180 ± 0.084 )
ρjup
g cm-3
Planetary equilibrium temperature 1659 +66 −46 K
Reference of detailed study 2016AJ....152..108E  

 

HATS-27 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HATS-27 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)