TEPCat: HD 221416


 

This page summarises the information held within TEPCat for the transiting planetary system HD 221416. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1901.01643  
Date of discovery paper 2019 / 1 / 8 y / m / d
Right ascension 23 32 08.07 h m s
Declination −21 48 05.1 d m s
V-band apparent magnitude 8.15 mag
K-band apparent magnitude 6.04 mag
Transit duration 0.36
( 8.6 )
day
hour
Transit depth 0.09 %
Time of mid-transit   2458357.0135 ± 0.0026     HJD or BJD
Orbital period 14.2762 ± 0.0037 days
Reference for orbital ephemeris   arXiv:1901.01643  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5080 ± 90 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.08 ± 0.08 dex
Stellar mass 1.212 ± 0.074   Msun
Stellar radius 2.943 ± 0.064 Rsun
Stellar logarithmic surface gravity 3.584 ± 0.010 c.g.s.
Stellar mean density 0.0475 ± 0.0005
( 0.06702 ± 0.00071 )
ρsun
g cm-3
Orbital eccentricity 0.113 +0.034 −0.030  
Orbital semimajor axis   0.1223 +0.0025 −0.0026  AU
Planetary mass 0.200 ± 0.018
( 63.6 ± 5.7 )
Mjup
Mearth
Planetary radius 0.835 +0.031 −0.028
( 9.36 +0.35 −0.31 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 0.343 +0.048 −0.045
( 0.455 +0.064 −0.060 )
ρjup
g cm-3
Planetary equilibrium temperature K
Reference of detailed study arXiv:1901.01643  

 

HD 221416 does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 221416 has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2019/07/16           John Southworth   (Keele University, UK)