TEPCat: Kepler-91


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-91. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2014A+A...562A.109L  
Date of discovery paper 2013 / 12 / 16 y / m / d
Right ascension 19 02 41.49 h m s
Declination +44 07 00.2 d m s
V-band apparent magnitude 12.81 mag
K-band apparent magnitude 10.14 mag
Transit duration 0.45
( 10.8 )
day
hour
Transit depth 0.04 %
Time of mid-transit   2455036.3966 ± 0.0048     HJD or BJD
Orbital period 6.246580 ± 0.000082 days
Reference for orbital ephemeris   2013ApJS..204...24B  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4550 ± 75 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.11 ± 0.07 dex
Stellar mass 1.31 ± 0.10   Msun
Stellar radius 6.20 ± 0.16 Rsun
Stellar logarithmic surface gravity 2.953 ± 0.007 c.g.s.
Stellar mean density 0.0052 ± 0.0001
( 0.00734 ± 0.00014 )
ρsun
g cm-3
Orbital eccentricity 0.066 +0.013 −0.017  
Orbital semimajor axis   0.0726 ± 0.0019  AU
Planetary mass 0.73 ± 0.13
( 232 ± 41 )
Mjup
Mearth
Planetary radius 1.384 +0.011 −0.054
( 15.51 + 0.12 − 0.61 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.33 +0.10 −0.05
( 0.438 +0.133 −0.066 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2014A+A...568L...1L  

 

Kepler-91 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

Kepler-91 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)