TEPCat: HAT-P-34


 

This page summarises the information held within TEPCat for the transiting planetary system HAT-P-34. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012AJ....144...19B  
Date of discovery paper 2012 / 1 / 4 y / m / d
Right ascension 20 12 46.88 h m s
Declination +18 06 17.5 d m s
V-band apparent magnitude 10.16 mag
K-band apparent magnitude 9.25 mag
Transit duration 0.1455
( 3.492 )
day
hour
Transit depth 0.8 %
Time of mid-transit   2455431.59629 ± 0.00055     HJD or BJD
Orbital period 5.452654 ± 0.000016 days
Reference for orbital ephemeris   2012AJ....144...19B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6442 ± 88 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.22 ± 0.04 dex
Stellar mass 1.392 ± 0.047   Msun
Stellar radius 1.535 +0.135 −0.102 Rsun
Stellar logarithmic surface gravity 4.21 ± 0.06 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.441 ± 0.032  
Orbital semimajor axis   0.0677 ± 0.0008  AU
Planetary mass 3.328 ± 0.211
( 1057 ± 67 )
Mjup
Mearth
Planetary radius 1.197 +0.128 −0.092
( 13.4 + 1.4 − 1.0 )
Rjup
Rearth
Planetary surface gravity 58 ± 11
3.76 ± 0.08
m/s2
log(cgs)
Planetary mean density 1.81 ± 0.47
( 2.40 ± 0.62 )
ρjup
g cm-3
Planetary equilibrium temperature 1520 ± 60 K
Reference of detailed study 2012AJ....144...19B  

 

Entries in the catalogue of Rossiter-McLaughlin measurements:
 
Reference λ (degrees)
Albrecht et al. (2012)   0   ±   14  

 

 

HAT-P-34 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)