TEPCat: K2-115


 

This page summarises the information held within TEPCat for the transiting planetary system K2-115. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017AJ....154..188S  
Date of discovery paper 2017 / 8 / 24 y / m / d
Data/telescope used for discovery K2  
Right ascension 08 26 12.83 h m s
Declination +12 16 55.0 d m s
Right ascension (decimal) 126.55346 degrees
Declination (decimal) 12.28194 degrees
V-band apparent magnitude 13.34 mag
K-band apparent magnitude 11.72 mag
Transit duration 0.1679
( 4.030 )
day
hour
Transit depth 1.7 %
Time of mid-transit   2457157.15701 ± 0.00025     HJD or BJD
Orbital period 20.273034 ± 0.000036 days
Reference for orbital ephemeris   2017AJ....154..188S  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5544 ± 60 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.23 ± 0.04 dex
Stellar mass 0.831 +0.023 −0.019   Msun
Stellar radius 0.881 +0.049 −0.050 Rsun
Stellar logarithmic surface gravity 4.461 +0.057 −0.041 c.g.s.
Stellar mean density 1.01 +0.31 −0.20
( 1.43 +0.44 −0.28 )
ρsun
g cm-3
Orbital eccentricity 0.137 +0.072 −0.074  
Orbital semimajor axis   0.1367 +0.0012 −0.0010  AU
Planetary mass 0.84 +0.18 −0.20
( 267 +57 −63 )
Mjup
Mearth
Planetary radius 1.115 +0.057 −0.061
( 12.50 + 0.64 − 0.68 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.62 +0.23 −0.18
( 0.82 +0.31 −0.24 )
ρjup
g cm-3
Planetary equilibrium temperature 682 +22 −24 K
Reference of detailed study 2017AJ....154..188S  

 

K2-115 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-115 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)