TEPCat: HAT-P-46


 

This page summarises the information held within TEPCat for the transiting planetary system HAT-P-46. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014AJ....147..128H  
Date of discovery paper 2013 / 8 / 14 y / m / d
Right ascension 18 01 46.56 h m s
Declination −02 58 15.4 d m s
V-band apparent magnitude 11.94 mag
K-band apparent magnitude 9.93 mag
Transit duration 0.1291
( 3.098 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2455701.33646 ± 0.00047     HJD or BJD
Orbital period 4.463129 ± 0.000048 days
Reference for orbital ephemeris   2014AJ....147..128H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6120 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.30 ± 0.10 dex
Stellar mass 1.284 ± 0.095   Msun
Stellar radius 1.396 +0.293 −0.136 Rsun
Stellar logarithmic surface gravity 4.25 ± 0.11 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.123 ± 0.120  
Orbital semimajor axis   0.0577 +0.0014 −0.0009  AU
Planetary mass 0.493 +0.082 −0.052
( 156 +26 −16 )
Mjup
Mearth
Planetary radius 1.284 +0.271 −0.133
( 14.4 + 3.0 − 1.5 )
Rjup
Rearth
Planetary surface gravity 7.3 +1.9 −1.5
2.86 +0.10 −0.10
m/s2
log(cgs)
Planetary mean density 0.21 ± 0.08
( 0.28 ± 0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1458 +140 −75 K
Reference of detailed study 2014AJ....147..128H  

 

HAT-P-46 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HAT-P-46 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)