TEPCat: HAT-P-56


 

This page summarises the information held within TEPCat for the transiting planetary system HAT-P-56. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015AJ....150...85H  
Date of discovery paper 2015 / 6 / 8 y / m / d
Right ascension 06 43 23.53 h m s
Declination +27 15 08.2 d m s
V-band apparent magnitude 10.91 mag
K-band apparent magnitude 9.83 mag
Transit duration 0.09463
( 2.2711 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2456553.61645 ± 0.00042     HJD or BJD
Orbital period 2.7908327 ± 0.0000047 days
Reference for orbital ephemeris   2015AJ....150...85H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6566 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.077 ± 0.080 dex
Stellar mass 1.296 ± 0.036   Msun
Stellar radius 1.428 ± 0.030 Rsun
Stellar logarithmic surface gravity 4.240 ± 0.015 c.g.s.
Stellar mean density 0.444 ± 0.023
( 0.626 ± 0.032 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.246 −0.0  
Orbital semimajor axis   0.04230 ± 0.00039  AU
Planetary mass 2.18 ± 0.25
( 693 ± 79 )
Mjup
Mearth
Planetary radius 1.466 +0.040 −0.04
( 16.43 + 0.45 − 0.45 )
Rjup
Rearth
Planetary surface gravity 25.2 +3.4 −3.0
3.40 +0.05 −0.06
m/s2
log(cgs)
Planetary mean density 0.65 ± 0.09
( 0.86 ± 0.12 )
ρjup
g cm-3
Planetary equilibrium temperature 1840 ± 21 K
Reference of detailed study 2015AJ....150...85H  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Zhou et al. (2016)   8   ±   2  

 

 

HAT-P-56 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/05           John Southworth   (Keele University, UK)