TEPCat: HAT-P-25


 

This page summarises the information held within TEPCat for the transiting planetary system HAT-P-25. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012ApJ...745...80Q  
Date of discovery paper 2010 / 8 / 20 y / m / d
Right ascension 03 13 44.51 h m s
Declination +25 11 50.7 d m s
V-band apparent magnitude 13.19 mag
K-band apparent magnitude 10.81 mag
Transit duration 0.1174
( 2.818 )
day
hour
Transit depth 2.0 %
Time of mid-transit   2455176.85173 ± 0.00047     HJD or BJD
Orbital period 3.652836 ± 0.000019 days
Reference for orbital ephemeris   2012ApJ...745...80Q  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5500 ± 80 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.31 ± 0.08 dex
Stellar mass 1.010 ± 0.032   Msun
Stellar radius 0.959 +0.054 −0.037 Rsun
Stellar logarithmic surface gravity 4.48 ± 0.04 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.032 ± 0.022  
Orbital semimajor axis   0.0466 ± 0.0005  AU
Planetary mass 0.567 ± 0.022
( 180.24 ± 6.99 )
Mjup
Mearth
Planetary radius 1.190 +0.081 −0.056
( 13.34 + 0.91 − 0.63 )
Rjup
Rearth
Planetary surface gravity 10.0 +1.0 −1.3
3.00 +0.04 −0.06
m/s2
log(cgs)
Planetary mean density 0.39 ± 0.06
( 0.517 ± 0.080 )
ρjup
g cm-3
Planetary equilibrium temperature 1202 ± 36 K
Reference of detailed study 2012ApJ...745...80Q  

 

HAT-P-25 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HAT-P-25 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)