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
Right ascension 14 12 37.54 h m s
Declination +04 03 36.1 d m s
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 ± 0.00035     HJD or BJD
Orbital period 4.2345023 ± 0.0000007 days
Reference for orbital ephemeris   2016ApJ...817..141S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5011 ± 55 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.01 ± 0.04 dex
Stellar mass 0.816 ± 0.033   Msun
Stellar radius 0.788 +0.098 −0.043 Rsun
Stellar logarithmic surface gravity 4.56 ± 0.06 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.124 ± 0.060  
Orbital semimajor axis   0.0479 ± 0.0006  AU
Planetary mass 0.059 ± 0.007
( 18.8 ± 2.2 )
Mjup
Mearth
Planetary radius 0.565 +0.072 −0.032
( 6.33 +0.81 −0.36 )
Rjup
Rearth
Planetary surface gravity 4.47 +0.90 −0.92
2.65 +0.08 −0.10
m/s2
log(cgs)
Planetary mean density 0.32 ± 0.08
( 0.42 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1001 +66 −47 K
Reference of detailed study 2011ApJ...728..138H  

 

HAT-P-26 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HAT-P-26 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)