TEPCat: K2-182


 

This page summarises the information held within TEPCat for the transiting planetary system K2-182. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2018AJ....155..136M  
Date of discovery paper 2018 / 2 / 14 y / m / d
Right ascension 08 40 43.28 h m s
Declination +10 58 58.6 d m s
V-band apparent magnitude 12.00 mag
K-band apparent magnitude 9.91 mag
Transit duration 0.1067
( 2.561 )
day
hour
Transit depth 0.13 %
Time of mid-transit   2457719.11517 ± 0.00028     HJD or BJD
Orbital period 4.7369683 ± 0.0000023 days
Reference for orbital ephemeris   arXiv:2110.05502  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5710 ± 100 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.12 ± 0.06 dex
Stellar mass 0.865 +0.016 −0.018   Msun
Stellar radius 0.793 +0.013 −0.011 Rsun
Stellar logarithmic surface gravity 4.61 +0.10 −0.1 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.04 +0.19 −0.03  
Orbital semimajor axis   0.0526 ± 0.0003  AU
Planetary mass 0.063 ± 0.016
( 20.0 ± 5.1 )
Mjup
Mearth
Planetary radius 0.240 +0.006 −0.004
( 2.690 +0.067 −0.045 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 4.2 ± 1.1
( 5.6 ± 1.5 )
ρjup
g cm-3
Planetary equilibrium temperature 969 ± 20 K
Reference of detailed study arXiv:2110.05502  

 

K2-182 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-182 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)