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
Data/telescope used for discovery K2  
Right ascension 08 31 03.08 h m s
Declination +10 50 51.3 d m s
Right ascension (decimal) 127.76283 degrees
Declination (decimal) 10.84758 degrees
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   2457722.1447 ± 0.0027     HJD or BJD
Orbital period 8.407115 ± 0.000023 days
Reference for orbital ephemeris   2023AJ....165..155T  

 

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 0.22 ± 0.08  
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 orbital obliquity measurements.

 


Page generated on 2024/11/22           John Southworth   (Keele University, UK)