TEPCat: KPS-1


 

This page summarises the information held within TEPCat for the transiting planetary system KPS-1. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1804.05551  
Date of discovery paper 2018 / 4 / 17 y / m / d
Right ascension 11 00 40.17 h m s
Declination +64 57 50.4 d m s
V-band apparent magnitude 13.03 mag
K-band apparent magnitude 10.93 mag
Transit duration 0.0700
( 1.680 )
day
hour
Transit depth 1.3 %
Time of mid-transit   2457508.37019 ± 0.00079     HJD or BJD
Orbital period 1.706291 ± 0.000059 days
Reference for orbital ephemeris   arXiv:1804.05551  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5165 ± 90 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.22 ± 0.13 dex
Stellar mass 0.892 +0.09 −0.10   Msun
Stellar radius 0.907 +0.086 −0.082 Rsun
Stellar logarithmic surface gravity 4.47 ± 0.06 c.g.s.
Stellar mean density 1.19 +0.29 −0.23
( 1.68 +0.41 −0.32 )
ρsun
g cm-3
Orbital eccentricity 0.0 +0.09 −0.0  
Orbital semimajor axis   0.0269 ± 0.0010  AU
Planetary mass 1.090 +0.086 −0.087
( 346 +27 −27 )
Mjup
Mearth
Planetary radius 1.03 +0.13 −0.12
( 11.5 + 1.5 − 1.3 )
Rjup
Rearth
Planetary surface gravity 26.3 +6.1 −4.9
3.42 +0.09 −0.09
m/s2
log(cgs)
Planetary mean density 0.99 +0.37 −0.27
( 1.31 +0.49 −0.36 )
ρjup
g cm-3
Planetary equilibrium temperature 1459 ± 56 K
Reference of detailed study arXiv:1804.05551  

 

KPS-1 does not have an entry in the catalogue of orbital obliquity measurements.

 

KPS-1 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/02           John Southworth   (Keele University, UK)