TEPCat: K2-93b


 

This page summarises the information held within TEPCat for the transiting planetary system K2-93b. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...827L..10V  
Date of discovery paper 2016 / 6 / 29 y / m / d
Right ascension 08 26 27.85 h m s
Declination +10 04 49.4 d m s
V-band apparent magnitude 8.93 mag
K-band apparent magnitude 7.72 mag
Transit duration 0.211
( 5.06 )
day
hour
Transit depth 0.04 %
Time of mid-transit   2457152.283 ± 0.002     HJD or BJD
Orbital period 15.57209 ± 0.00002 days
Reference for orbital ephemeris   arXiv:1911.07519  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6320 +60 −30 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.10 ± 0.07 dex
Stellar mass 1.16 ± 0.04   Msun
Stellar radius 1.273 ± 0.015 Rsun
Stellar logarithmic surface gravity 4.294 ± 0.006 c.g.s.
Stellar mean density 0.563 ± 0.006
( 0.7944 ± 0.0085 )
ρsun
g cm-3
Orbital eccentricity 0.07 ± 0.06  
Orbital semimajor axis   0.1283 ± 0.0015  AU
Planetary mass 0.0217 ± 0.0028
( 6.90 ± 0.89 )
Mjup
Mearth
Planetary radius 0.2315 ± 0.0032
( 2.595 ± 0.036 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 1.64 ± 0.21
( 2.18 ± 0.28 )
ρjup
g cm-3
Planetary equilibrium temperature 959 +9 −5 K
Reference of detailed study arXiv:1911.07355  

 

K2-93b does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-93b 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)