TEPCat: K2-97


 

This page summarises the information held within TEPCat for the transiting planetary system K2-97. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016AJ....152..185G  
Date of discovery paper 2016 / 6 / 21 y / m / d
Right ascension 08 31 03.08 h m s
Declination +10 50 51.3 d m s
V-band apparent magnitude 12.61 mag
K-band apparent magnitude 10.04 mag
Transit duration 0.27
( 6.5 )
day
hour
Transit depth 0.07 %
Time of mid-transit   2457142.072 ± 0.007     HJD or BJD
Orbital period 8.4062 ± 0.0015 days
Reference for orbital ephemeris   2016AJ....152..185G  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4790 ± 90 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.42 ± 0.08 dex
Stellar mass 1.16 ± 0.12   Msun
Stellar radius 4.20 ± 0.14 Rsun
Stellar logarithmic surface gravity 3.26 ± 0.01 c.g.s.
Stellar mean density 0.0157 ± 0.0003
( 0.02215 ± 0.00042 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis     AU
Planetary mass 0.48 ± 0.07
( 152 ± 22 )
Mjup
Mearth
Planetary radius 1.31 ± 0.11
( 14.7 ± 1.2 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2017AJ....154..254G  

 

K2-97 does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

K2-97 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/11           John Southworth   (Keele University, UK)