TEPCat: K2-287


 

This page summarises the information held within TEPCat for the transiting planetary system K2-287. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2019AJ....157..100J  
Date of discovery paper 2018 / 9 / 25 y / m / d
Right ascension 15 32 17.84 h m s
Declination −22 21 29.7 d m s
V-band apparent magnitude 11.41 mag
K-band apparent magnitude 9.19 mag
Transit duration 0.17
( 4.1 )
day
hour
Transit depth 0.7 %
Time of mid-transit   2458001.72138 ± 0.00016     HJD or BJD
Orbital period 14.893291 ± 0.000025 days
Reference for orbital ephemeris   2019AJ....157..100J  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5625 ± 64 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.27 ± 0.04 dex
Stellar mass 1.03 ± 0.04   Msun
Stellar radius 1.10 ± 0.01 Rsun
Stellar logarithmic surface gravity 4.32 ± 0.11 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.478 +0.025 −0.026  
Orbital semimajor axis   0.1204 +0.0008 −0.0011  AU
Planetary mass 0.31 ± 0.03
( 98.5 ± 9.5 )
Mjup
Mearth
Planetary radius 0.88 ± 0.01
( 9.86 ± 0.11 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 808 +7 −9 K
Reference of detailed study arXiv:2106.11331  

 

K2-287 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-287 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/12/02           John Southworth   (Keele University, UK)