TEPCat: K2-263


 

This page summarises the information held within TEPCat for the transiting planetary system K2-263. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018MNRAS.481.1839M  
Date of discovery paper 2018 / 8 / 27 y / m / d
Data/telescope used for discovery K2  
Right ascension 08 38 43.78 h m s
Declination +15 40 50.4 d m s
Right ascension (decimal) 129.68242 degrees
Declination (decimal) 15.68067 degrees
V-band apparent magnitude 11.61 mag
K-band apparent magnitude 9.75 mag
Transit duration 0.1453
( 3.487 )
day
hour
Transit depth 0.06 %
Time of mid-transit   2458111.1274 ± 0.0012     HJD or BJD
Orbital period 50.818947 ± 0.000094 days
Reference for orbital ephemeris   2018MNRAS.481.1839M  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5372 ± 73 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.08 ± 0.05 dex
Stellar mass 0.88 ± 0.03   Msun
Stellar radius 0.85 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.45 ± 0.10 c.g.s.
Stellar mean density 1.43 ± 0.11
( 2.02 ± 0.16 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.14 −0.0  
Orbital semimajor axis   0.2573 ± 0.0029  AU
Planetary mass 0.0466 ± 0.0098
( 14.8 ± 3.1 )
Mjup
Mearth
Planetary radius 0.215 ± 0.011
( 2.41 ± 0.12 )
Rjup
Rearth
Planetary surface gravity 25.1 +6.5 −5.6
3.4 +0.1 −0.1
m/s2
log(cgs)
Planetary mean density 4.3 +1.2 −1.1
( 5.7 +1.6 −1.5 )
ρjup
g cm-3
Planetary equilibrium temperature 470 ± 10 K
Reference of detailed study 2018MNRAS.481.1839M  

 

K2-263 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-263 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)