TEPCat: K2-417


 

This page summarises the information held within TEPCat for the transiting planetary system K2-417. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023MNRAS.523..474I  
Date of discovery paper 2023 / 5 / 31 y / m / d
Data/telescope used for discovery K2  
Right ascension 23 20 33.88 h m s
Declination −10 02 09.5 d m s
Right ascension (decimal) 350.14117 degrees
Declination (decimal) -10.03597 degrees
V-band apparent magnitude 13.91 mag
K-band apparent magnitude 10.06 mag
Transit duration 0.086
( 2.06 )
day
hour
Transit depth 0.3 %
Time of mid-transit   2458373.0321 ± 0.0010     HJD or BJD
Orbital period 6.5350 ± 0.0014 days
Reference for orbital ephemeris   2023MNRAS.523..474I  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3861 ± 77 K
Stellar metal abundance ([Fe/H] or [M/H])   dex
Stellar mass 0.569 ± 0.012   Msun
Stellar radius 0.5776 ± 0.0040 Rsun
Stellar logarithmic surface gravity 4.670 ± 0.014 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.063 +0.006 −0.014  AU
Planetary mass 0.0 +2.2 −0.0
( 0 +699 −0 )
Mjup
Mearth
Planetary radius 0.295 +0.012 −0.011
( 3.31 +0.13 −0.12 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 558 ± 55 K
Reference of detailed study 2023MNRAS.523..474I  

 

K2-417 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/03/28           John Southworth   (Keele University, UK)