TEPCat: K2-260


 

This page summarises the information held within TEPCat for the transiting planetary system K2-260. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018MNRAS.481..596J  
Date of discovery paper 2018 / 6 / 19 y / m / d
Data/telescope used for discovery K2  
Right ascension 05 07 28.16 h m s
Declination +16 52 03.8 d m s
Right ascension (decimal) 76.86733 degrees
Declination (decimal) 16.86772 degrees
V-band apparent magnitude 12.69 mag
K-band apparent magnitude 11.09 mag
Transit duration 0.17365
( 4.1676 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2457820.738135 ± 0.000090     HJD or BJD
Orbital period 2.6266657 ± 0.0000018 days
Reference for orbital ephemeris   2018MNRAS.481..596J  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6367 ± 250 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.14 ± 0.15 dex
Stellar mass 1.39 +0.05 −0.06   Msun
Stellar radius 1.69 ± 0.03 Rsun
Stellar logarithmic surface gravity 4.15 c.g.s.
Stellar mean density 0.2841 ± 0.0071
( 0.401 ± 0.010 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0404 +0.0013 −0.0016  AU
Planetary mass 1.42 +0.31 −0.32
( 451 +98 −101 )
Mjup
Mearth
Planetary radius 1.552 +0.048 −0.057
( 17.40 + 0.54 − 0.64 )
Rjup
Rearth
Planetary surface gravity 14.6 +3.5 −3.0
3.16 +0.09 −0.10
m/s2
log(cgs)
Planetary mean density 0.38 ± 0.09
( 0.50 ± 0.12 )
ρjup
g cm-3
Planetary equilibrium temperature 1957 +78 −77 K
Reference of detailed study 2018MNRAS.481..596J  

 

K2-260 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-260 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)