TEPCat: HD 219134c


 

This page summarises the information held within TEPCat for the transiting planetary system HD 219134c. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2017NatAs...1E..56G  
Date of discovery paper 2017 / 3 / 7 y / m / d
Right ascension 23 13 16.98 h m s
Declination +57 10 06.1 d m s
V-band apparent magnitude 5.57 mag
K-band apparent magnitude 3.26 mag
Transit duration 0.0692
( 1.661 )
day
hour
Transit depth 0.032 %
Time of mid-transit   2457474.04591 ± 0.00088     HJD or BJD
Orbital period 6.76458 ± 0.00033 days
Reference for orbital ephemeris   2017NatAs...1E..56G  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 4699 ± 16 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.11 ± 0.04 dex
Stellar mass 0.81 ± 0.03   Msun
Stellar radius 0.778 ± 0.005 Rsun
Stellar logarithmic surface gravity 4.567 ± 0.018 c.g.s.
Stellar mean density 1.719 ± 0.073
( 2.43 ± 0.10 )
ρsun
g cm-3
Orbital eccentricity 0.062 ± 0.039  
Orbital semimajor axis   0.06530 ± 0.00080  AU
Planetary mass 0.0137 ± 0.0007
( 4.36 ± 0.22 )
Mjup
Mearth
Planetary radius 0.1348 ± 0.0042
( 1.511 ± 0.047 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density 5.22 ± 0.58
( 6.92 ± 0.77 )
ρjup
g cm-3
Planetary equilibrium temperature 782 ± 6 K
Reference of detailed study 2017NatAs...1E..56G  

 

HD 219134c does not have an entry in the catalogue of Rossiter-McLaughlin measurements.

 

HD 219134c has not been analysed as part of the Homogeneous Studies of Transiting Extrasolar Planets project.

 


Page generated on 2017/12/15           John Southworth   (Keele University, UK)