TEPCat: K2-180


 

This page summarises the information held within TEPCat for the transiting planetary system K2-180. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1810.04601  
Date of discovery paper 2018 / 10 / 11 y / m / d
Right ascension 08 25 51.35 h m s
Declination +10 14 49.1 d m s
V-band apparent magnitude 12.60 mag
K-band apparent magnitude 10.68 mag
Transit duration 0.07
( 1.7 )
day
hour
Transit depth 0.1 %
Time of mid-transit   2457143.390 ± 0.002     HJD or BJD
Orbital period 8.8665 ± 0.0003 days
Reference for orbital ephemeris   arXiv:1810.04601  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5110 ± 107 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.65 ± 0.10 dex
Stellar mass 0.71 ± 0.03   Msun
Stellar radius 0.69 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.3 ± 0.2 c.g.s.
Stellar mean density 2.15 ± 0.28
( 3.03 ± 0.40 )
ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.075 ± 0.001  AU
Planetary mass 0.036 ± 0.006
( 11.4 ± 1.9 )
Mjup
Mearth
Planetary radius 0.200 ± 0.011
( 2.24 ± 0.12 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 4.2 ± 1.4
( 5.6 ± 1.9 )
ρjup
g cm-3
Planetary equilibrium temperature 729 ± 49 K
Reference of detailed study arXiv:1810.04601  

 

K2-180 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-180 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)