TEPCat: Kepler-538


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-538. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...822...86M  
Date of discovery paper 2016 / 5 / 11 y / m / d
Right ascension 19 49 56.85 h m s
Declination +49 37 24.4 d m s
V-band apparent magnitude 11.27 mag
K-band apparent magnitude 9.65 mag
Transit duration 0.276
( 6.62 )
day
hour
Transit depth 0.05 %
Time of mid-transit   2454962.94024 ± 0.00074     HJD or BJD
Orbital period 81.737980 ± 0.000073 days
Reference for orbital ephemeris   arXiv:2103.03259  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5547 ± 50 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.03 ± 0.08 dex
Stellar mass 0.892 +0.051 −0.035   Msun
Stellar radius 0.8717 +0.0064 −0.0061 Rsun
Stellar logarithmic surface gravity 4.51 ± 0.10 c.g.s.
Stellar mean density 1.349 +0.089 −0.072
( 1.90 +0.13 −0.10 )
ρsun
g cm-3
Orbital eccentricity 0.041 +0.034 −0.029  
Orbital semimajor axis   0.4669 +0.0087 −0.0090  AU
Planetary mass 0.0333 +0.0079 −0.0075
( 10.6 +2.5 −2.4 )
Mjup
Mearth
Planetary radius 0.1976 +0.0036 −0.0030
( 2.215 +0.040 −0.034 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 4.1 ± 1.0
( 5.4 ± 1.3 )
ρjup
g cm-3
Planetary equilibrium temperature 380 K
Reference of detailed study arXiv:1908.08585  

 

Kepler-538 does not have an entry in the catalogue of orbital obliquity measurements.

 

Kepler-538 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)