TEPCat: HAT-P-17


 

This page summarises the information held within TEPCat for the transiting planetary system HAT-P-17. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012ApJ...749..134H  
Date of discovery paper 2010 / 8 / 24 y / m / d
Right ascension 21 38 08.88 h m s
Declination +30 29 19.4 d m s
V-band apparent magnitude 10.54 mag
K-band apparent magnitude 8.54 mag
Transit duration 0.1663
( 3.991 )
day
hour
Transit depth 1.5 %
Time of mid-transit   2457122.67990 ± 0.00008     HJD or BJD
Orbital period 10.338524 ± 0.000009 days
Reference for orbital ephemeris   arXiv:2106.11331  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5322 ± 55 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.05 ± 0.13 dex
Stellar mass 0.88 ± 0.04   Msun
Stellar radius 0.84 ± 0.01 Rsun
Stellar logarithmic surface gravity c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.3417 ± 0.0036  
Orbital semimajor axis   0.0882 ± 0.0014  AU
Planetary mass 0.54 ± 0.02
( 171.66 ± 6.36 )
Mjup
Mearth
Planetary radius 1.04 ± 0.02
( 11.66 ± 0.22 )
Rjup
Rearth
Planetary surface gravity 12.9 ± 0.6
3.11 ± 0.02
m/s2
log(cgs)
Planetary mean density 0.33 ± 0.02
( 0.438 ± 0.027 )
ρjup
g cm-3
Planetary equilibrium temperature 792 ± 15 K
Reference of detailed study 2012ApJ...749..134H  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Fulton et al. (2013)   19   + 14   - 16  

 

 

HAT-P-17 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)