TEPCat: K2-32b


 

This page summarises the information held within TEPCat for the transiting planetary system K2-32b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...827...78S  
Date of discovery paper 2015 / 12 / 1 y / m / d
Right ascension 16 49 42.26 h m s
Declination −19 32 34.2 d m s
V-band apparent magnitude 12.31 mag
K-band apparent magnitude 9.82 mag
Transit duration 0.1453
( 3.487 )
day
hour
Transit depth 0.4 %
Time of mid-transit   2456900.92676 ± 0.00031     HJD or BJD
Orbital period 8.99200 ± 0.00008 days
Reference for orbital ephemeris   arXiv:2006.01102  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5271 +39 −35 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.06 ± 0.03 dex
Stellar mass 0.83 ± 0.02   Msun
Stellar radius 0.86 ± 0.02 Rsun
Stellar logarithmic surface gravity 4.49 ± 0.03 c.g.s.
Stellar mean density 1.30 +0.13 −0.10
( 1.83 +0.18 −0.14 )
ρsun
g cm-3
Orbital eccentricity 0.030 +0.032 −0.021  
Orbital semimajor axis   0.07950 +0.00066 −0.00062  AU
Planetary mass 0.0472 +0.0057 −0.0053
( 15.0 +1.8 −1.7 )
Mjup
Mearth
Planetary radius 0.473 ± 0.017
( 5.30 ± 0.19 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.41 +0.08 −0.06
( 0.544 +0.106 −0.080 )
ρjup
g cm-3
Planetary equilibrium temperature 837 +13 −14 K
Reference of detailed study arXiv:2006.01102  

 

K2-32b does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-32b has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2021/01/04           John Southworth   (Keele University, UK)