TEPCat: Kepler-78


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-78. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2013ApJ...774...54S  
Date of discovery paper 2013 / 5 / 23 y / m / d
Right ascension 19 34 58.00 h m s
Declination +44 26 54.0 d m s
V-band apparent magnitude 11.75 mag
K-band apparent magnitude 9.59 mag
Transit duration 0.0339
( 0.814 )
day
hour
Transit depth 0.022 %
Time of mid-transit   2454953.95995 ± 0.00015     HJD or BJD
Orbital period 0.35500744 ± 0.00000006 days
Reference for orbital ephemeris   2013ApJ...774...54S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5121 ± 44 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.08 ± 0.06 dex
Stellar mass 0.83 ± 0.05   Msun
Stellar radius 0.74 ± 0.05 Rsun
Stellar logarithmic surface gravity 4.61 ± 0.06 c.g.s.
Stellar mean density 2.0 +0.5 −0.4
( 2.82 +0.71 −0.56 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0089  AU
Planetary mass 0.0059 ± 0.0008
( 1.88 ± 0.25 )
Mjup
Mearth
Planetary radius 0.107 ± 0.008
( 1.199 ± 0.090 )
Rjup
Rearth
Planetary surface gravity 11.4 +3.5 −3.1
3.1 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 4.5 +1.4 −1.1
( 6.0 +1.9 −1.5 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2015ApJ...808..127G  

 

Kepler-78 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-78 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)