TEPCat: K2-288


 

This page summarises the information held within TEPCat for the transiting planetary system K2-288. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1901.04739  
Date of discovery paper 2019 / 1 / 16 y / m / d
Right ascension 15 33 28.70 h m s
Declination −16 46 23.7 d m s
V-band apparent magnitude 12.76 mag
K-band apparent magnitude 9.32 mag
Transit duration 0.125
( 3.00 )
day
hour
Transit depth 0.14 %
Time of mid-transit   2458010.317 ± 0.002     HJD or BJD
Orbital period 27.359 ± 0.005 days
Reference for orbital ephemeris   arXiv:1901.04739  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3926 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.0 ± 0.5 dex
Stellar mass 0.64 ± 0.02   Msun
Stellar radius 0.62 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.7 ± 0.2 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.177 +0.018 −0.021  AU
Planetary mass Mjup
Mearth
Planetary radius 0.188 ± 0.018
( 2.11 ± 0.20 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 347 +21 −11 K
Reference of detailed study arXiv:1901.04739  

 

K2-288 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-288 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/02           John Southworth   (Keele University, UK)