TEPCat: K2-44


 

This page summarises the information held within TEPCat for the transiting planetary system K2-44. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2016ApJ...820...56V  
Date of discovery paper 2016 / 2 / 8 y / m / d
Data/telescope used for discovery K2  
Right ascension 11 36 02.79 h m s
Declination −02 31 15.2 d m s
Right ascension (decimal) 174.01163 degrees
Declination (decimal) -2.52089 degrees
V-band apparent magnitude 12.19 mag
K-band apparent magnitude 10.69 mag
Transit duration 0.19
( 4.6 )
day
hour
Transit depth 0.03 %
Time of mid-transit   2456811.7191 ± 0.0049     HJD or BJD
Orbital period 5.65639 ± 0.00075 days
Reference for orbital ephemeris   2016ApJ...820...56V  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5830 ± 70 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.13 ± 0.07 dex
Stellar mass 1.13 ± 0.07   Msun
Stellar radius 1.52 ± 0.10 Rsun
Stellar logarithmic surface gravity 4.04 ± 0.08 c.g.s.
Stellar mean density 0.32 ± 0.10
( 0.45 ± 0.14 )
ρsun
g cm-3
Orbital eccentricity 0.12 +0.22 −0.09  
Orbital semimajor axis     AU
Planetary mass 0.0 +0.038 −0.0
( 0 +12 −0 )
Mjup
Mearth
Planetary radius 0.245 +0.021 −0.020
( 2.75 +0.24 −0.22 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.0 +2.5 −0.0
( 0.0 +3.3 −0.0 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study 2016ApJ...820...56V  

 

K2-44 does not have an entry in the catalogue of orbital obliquity measurements.

 

K2-44 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2022/12/07           John Southworth   (Keele University, UK)