TEPCat: K2-267


 

This page summarises the information held within TEPCat for the transiting planetary system K2-267. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018AJ....156..250Y  
Date of discovery paper 2018 / 7 / 30 y / m / d
Data/telescope used for discovery K2  
Right ascension 05 15 40.74 h m s
Declination +16 16 43.5 d m s
Right ascension (decimal) 78.91975 degrees
Declination (decimal) 16.27875 degrees
V-band apparent magnitude 11.44 mag
K-band apparent magnitude 9.89 mag
Transit duration 0.17117
( 4.1081 )
day
hour
Transit depth 0.55 %
Time of mid-transit   2457865.11032 ± 0.00010     HJD or BJD
Orbital period 6.180235 ± 0.000014 days
Reference for orbital ephemeris   2018AJ....156..250Y  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6189 +47 −52 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.139 +0.082 −0.084 dex
Stellar mass 1.317 +0.041 −0.040   Msun
Stellar radius 1.586 +0.034 −0.043 Rsun
Stellar logarithmic surface gravity 4.157 ± 0.016 c.g.s.
Stellar mean density 0.330 +0.017 −0.018
( 0.466 +0.024 −0.025 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.07229 +0.00074 −0.00075  AU
Planetary mass 3.0 +1.0 −1.2.0
( 953 +317 −381 )
Mjup
Mearth
Planetary radius 1.051 ± 0.044
( 11.78 ± 0.49 )
Rjup
Rearth
Planetary surface gravity 66 ± 25
3.8 ± 0.1
m/s2
log(cgs)
Planetary mean density 2.3 ± 1.0
( 3.1 ± 1.3 )
ρjup
g cm-3
Planetary equilibrium temperature 1401 ± 16 K
Reference of detailed study 2018AJ....156..250Y  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Yu et al. (2018)   −1.48   ±   0.85  

 

 

K2-267 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/01           John Southworth   (Keele University, UK)