TEPCat: HAT-P-26


 

This page summarises the information held within TEPCat for the transiting planetary system HAT-P-26. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2011ApJ...728..138H  
Date of discovery paper 2010 / 10 / 7 y / m / d
Data/telescope used for discovery HAT  
Right ascension 14 12 37.54 h m s
Declination +04 03 36.1 d m s
Right ascension (decimal) 213.15642 degrees
Declination (decimal) 4.06003 degrees
V-band apparent magnitude 11.74 mag
K-band apparent magnitude 9.58 mag
Transit duration 0.1023
( 2.455 )
day
hour
Transit depth 0.6 %
Time of mid-transit   2455304.65218 ± 0.00025     HJD or BJD
Orbital period 4.23450236 ± 0.00000003 days
Reference for orbital ephemeris   arXiv:1904.06360  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5100 ± 20 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.05 ± 0.10 dex
Stellar mass 0.796 ± 0.030   Msun
Stellar radius 0.916 ± 0.063 Rsun
Stellar logarithmic surface gravity 4.416 ± 0.063 c.g.s.
Stellar mean density 1.04 ± 0.22
( 1.47 ± 0.31 )
ρsun
g cm-3
Orbital eccentricity 0.124 ± 0.060  
Orbital semimajor axis   0.04748 ± 0.00060  AU
Planetary mass 0.0577 ± 0.0070
( 18.3 ± 2.2 )
Mjup
Mearth
Planetary radius 0.652 ± 0.055
( 7.31 ± 0.62 )
Rjup
Rearth
Planetary surface gravity 3.37 ± 0.69
2.53 ± 0.08
m/s2
log(cgs)
Planetary mean density 0.195 ± 0.055
( 0.259 ± 0.073 )
ρjup
g cm-3
Planetary equilibrium temperature 1080 ± 39 K
Reference of detailed study arXiv:2205.10549  

 

HAT-P-26 does not have an entry in the catalogue of orbital obliquity measurements.

 

HAT-P-26 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)