TEPCat: HAT-P-48


 

This page summarises the information held within TEPCat for the transiting planetary system HAT-P-48. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1606.04556  
Date of discovery paper 2016 / 6 / 16 y / m / d
Right ascension 02 57 53.03 h m s
Declination +30 37 32.5 d m s
V-band apparent magnitude 12.16 mag
K-band apparent magnitude 10.26 mag
Transit duration 0.1411
( 3.386 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2455839.21023 ± 0.00029     HJD or BJD
Orbital period 4.408650 ± 0.000008 days
Reference for orbital ephemeris   arXiv:1606.04556  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5946 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.02 ± 0.08 dex
Stellar mass 1.099 ± 0.041   Msun
Stellar radius 1.223 ± 0.046 Rsun
Stellar logarithmic surface gravity 4.30 ± 0.03 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0 +0.378 −0.0  
Orbital semimajor axis   0.0543 ± 0.0007  AU
Planetary mass 0.168 ± 0.024
( 53.4 ± 7.6 )
Mjup
Mearth
Planetary radius 1.131 ± 0.054
( 12.68 ± 0.61 )
Rjup
Rearth
Planetary surface gravity 3.24 +0.57 −0.48
2.51 +0.07 −0.07
m/s2
log(cgs)
Planetary mean density 0.106 +0.023 −0.015
( 0.141 +0.031 −0.020 )
ρjup
g cm-3
Planetary equilibrium temperature 1361 ± 25 K
Reference of detailed study arXiv:1606.04556  

 

HAT-P-48 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HAT-P-48 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)