TEPCat: K2-3c


 

This page summarises the information held within TEPCat for the transiting planetary system K2-3c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2015ApJ...804...10C  
Date of discovery paper 2014 / 1 / 16 y / m / d
Data/telescope used for discovery K2  
Right ascension 11 29 20.39 h m s
Declination −01 27 17.2 d m s
Right ascension (decimal) 172.33496 degrees
Declination (decimal) -1.45478 degrees
V-band apparent magnitude 12.17 mag
K-band apparent magnitude 8.56 mag
Transit duration 0.1492
( 3.581 )
day
hour
Transit depth 0.009 %
Time of mid-transit   2456812.2778 ± 0.0026     HJD or BJD
Orbital period 24.646346 ± 0.000012 days
Reference for orbital ephemeris   arXiv:2609.17792  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3844 +61 −63 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.16 ± 0.08 dex
Stellar mass 0.549 +0.029 −0.027   Msun
Stellar radius 0.546 +0.018 −0.016 Rsun
Stellar logarithmic surface gravity 4.704 +0.023 −0.026 c.g.s.
Stellar mean density 3.39 +0.26 −0.28
( 4.78 +0.37 −0.40 )
ρsun
g cm-3
Orbital eccentricity 0.048 +0.073 −0.035  
Orbital semimajor axis   0.1357 +0.0022 −0.0023  AU
Planetary mass 0.0070 ± 0.0021
( 2.23 ± 0.67 )
Mjup
Mearth
Planetary radius0.1410 ± 0.0045
( 1.580 ± 0.050 )
Rjup
Rearth
Planetary surface gravity m/s2
Planetary mean density 2.34 ± 0.75
( 3.10 ± 0.99 )
ρjup
g cm-3
Planetary equilibrium temperature 371 ± 6 K
Reference of detailed study arXiv:2609.17792  

 

K2-3c does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2026/10/04           John Southworth   (Keele University, UK)