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 0.1130
( 2.712 )
day
hour
Transit depth 1.9 %
Time of mid-transit   2456418.80996 ± 0.00025     HJD or BJD
Orbital period 3.65281572 ± 0.00000095 days
Reference for orbital ephemeris   arXiv:1805.01580  

 

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 1.012 +0.053 −0.051   Msun
Stellar radius 0.919 ± 0.034 Rsun
Stellar logarithmic surface gravity 4.516 +0.026 −0.025 c.g.s.
Stellar mean density 1.30 +0.12 −0.11
( 1.83 +0.17 −0.16 )
ρsun
g cm-3
Orbital eccentricity 0.023 +0.022 −0.014  
Orbital semimajor axis   0.04660 +0.00081 −0.00080  AU
Planetary mass 0.569 +0.022 −0.023
( 180.88 +6.99 −7.31 )
Mjup
Mearth
Planetary radius 1.135 ± 0.048
( 12.72 ± 0.54 )
Rjup
Rearth
Planetary surface gravity 10.94 +0.86 −0.78
3.04 +0.03 −0.03
m/s2
log(cgs)
Planetary mean density 0.364 +0.044 −0.038
( 0.483 +0.058 −0.050 )
ρjup
g cm-3
Planetary equilibrium temperature 1182 ± 25 K
Reference of detailed study arXiv:1805.01580  

 

HAT-P-25 does not have an entry in the catalogue of orbital obliquity measurements.

 

HAT-P-25 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2018/07/20           John Southworth   (Keele University, UK)