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
Data/telescope used for discovery HAT  
Right ascension 21 38 08.88 h m s
Declination +30 29 19.4 d m s
Right ascension (decimal) 324.53700 degrees
Declination (decimal) 30.48872 degrees
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   2454801.16943 ± 0.00015     HJD or BJD
Orbital period 10.33853781 ± 0.00000060 days
Reference for orbital ephemeris   arXiv:2205.10549  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5350 ± 20 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.02 ± 0.09 dex
Stellar mass 0.886 ± 0.038   Msun
Stellar radius 0.860 ± 0.024 Rsun
Stellar logarithmic surface gravity 4.516 ± 0.027 c.g.s.
Stellar mean density 1.39 ± 0.12
( 1.96 ± 0.17 )
ρsun
g cm-3
Orbital eccentricity 0.3417 ± 0.0036  
Orbital semimajor axis   0.0892 ± 0.0013  AU
Planetary mass 0.558 ± 0.018
( 177.38 ± 5.72 )
Mjup
Mearth
Planetary radius 1.015 ± 0.041
( 11.38 ± 0.46 )
Rjup
Rearth
Planetary surface gravity 13.4 ± 1.0
3.13 ± 0.03
m/s2
log(cgs)
Planetary mean density 0.499 ± 0.058
( 0.662 ± 0.077 )
ρjup
g cm-3
Planetary equilibrium temperature 800 ± 11 K
Reference of detailed study arXiv:2205.10549  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Fulton et al. (2013)   19   + 14   - 16  
Mancini et al. (2022)   −27.5   ±   6.7  

 

 

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

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)