TEPCat: HD 219666


 

This page summarises the information held within TEPCat for the transiting planetary system HD 219666. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2019A+A...623A.165E  
Date of discovery paper 2018 / 12 / 17 y / m / d
Data/telescope used for discovery TESS  
Right ascension 23 18 13.63 h m s
Declination −56 54 14.0 d m s
Right ascension (decimal) 349.55679 degrees
Declination (decimal) -56.90389 degrees
V-band apparent magnitude 9.90 mag
K-band apparent magnitude 8.16 mag
Transit duration 0.0899
( 2.158 )
day
hour
Transit depth 0.17 %
Time of mid-transit   2458329.1996 ± 0.0012     HJD or BJD
Orbital period 6.034460 ± 0.000011 days
Reference for orbital ephemeris   2019RNAAS...3..156H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5527 ± 65 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.04 ± 0.04 dex
Stellar mass 0.92 ± 0.03   Msun
Stellar radius 1.03 ± 0.03 Rsun
Stellar logarithmic surface gravity 4.40 ± 0.11 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0636 ± 0.0027  AU
Planetary mass 0.0522 ± 0.0041
( 16.6 ± 1.3 )
Mjup
Mearth
Planetary radius 0.420 ± 0.015
( 4.71 ± 0.17 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.656 +0.090 −0.083
( 0.87 +0.12 −0.11 )
ρjup
g cm-3
Planetary equilibrium temperature 1073 ± 20 K
Reference of detailed study 2019A+A...623A.165E  

 

HD 219666 does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 219666 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)