TEPCat: Kepler-1704


 

This page summarises the information held within TEPCat for the transiting planetary system Kepler-1704. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:2107.06901  
Date of discovery paper 2021 / 7 / 16 y / m / d
Right ascension 19 24 48.30 h m s
Declination +51 08 39.4 d m s
V-band apparent magnitude 13.39 mag
K-band apparent magnitude 11.79 mag
Transit duration 0.2502
( 6.005 )
day
hour
Transit depth 0.5 %
Time of mid-transit   2455071.68459 ± 0.00063     HJD or BJD
Orbital period 988.88113 ± 0.00092 days
Reference for orbital ephemeris   arXiv:2107.06901  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5772 ± 115 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.20 ± 0.06 dex
Stellar mass 1.131 +0.040 −0.051   Msun
Stellar radius 1.697 +0.058 −0.059 Rsun
Stellar logarithmic surface gravity 4.031 ± 0.032 c.g.s.
Stellar mean density 0.230 +0.026 −0.023
( 0.325 +0.037 −0.032 )
ρsun
g cm-3
Orbital eccentricity 0.921 +0.010 −0.015  
Orbital semimajor axis   2.026 +0.021 −0.034  AU
Planetary mass 4.15 ± 0.29
( 1319 ± 92 )
Mjup
Mearth
Planetary radius 1.065 +0.043 −0.041
( 11.94 + 0.48 − 0.46 )
Rjup
Rearth
Planetary surface gravity 86.5 +8.1 −7.6
3.94 +0.04 −0.04
m/s2
log(cgs)
Planetary mean density 3.06 +0.41 −0.36
( 4.06 +0.54 −0.48 )
ρjup
g cm-3
Planetary equilibrium temperature 254 ± 4 K
Reference of detailed study arXiv:2107.06901  

 

Kepler-1704 does not have an entry in the catalogue of orbital obliquity measurements.

 

Kepler-1704 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)