TEPCat: Kepler-25c


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-25c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2012MNRAS.421.2342S  
Date of discovery paper 2012 / 1 / 27 y / m / d
Right ascension 19 06 33.21 h m s
Declination +39 29 16.4 d m s
V-band apparent magnitude 10.98 mag
K-band apparent magnitude 9.49 mag
Transit duration 0.11925
( 2.8620 )
day
hour
Transit depth 0.12 %
Time of mid-transit   2454960.64642 ± 0.00026     HJD or BJD
Orbital period 12.72037372 ± 0.00000029 days
Reference for orbital ephemeris   2016ApJS..225....9H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6270 ± 79 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.04 ± 0.10 dex
Stellar mass 1.165 +0.027 −0.029   Msun
Stellar radius 1.316 +0.016 −0.015 Rsun
Stellar logarithmic surface gravity 4.278 ± 0.03 c.g.s.
Stellar mean density 0.53 ± 0.07
( 0.748 ± 0.099 )
ρsun
g cm-3
Orbital eccentricity 0.061 +0.0049 −0.0041  
Orbital semimajor axis   0.110  AU
Planetary mass 0.0479 +0.0041 −0.0051
( 15.2 +1.3 −1.6 )
Mjup
Mearth
Planetary radius 0.4654 +0.0062 −0.0058
( 5.217 +0.069 −0.065 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.443 +0.040 −0.046
( 0.588 +0.053 −0.061 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study arXiv:1903.07186  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Albrecht et al. (2013)   −0.5   ±   5.7  
Benomar et al. (2014)   9.4   ±   7.1  
Campante et al. (2016)   −999   ±   -999  

 

 

Kepler-25c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)