TEPCat: HD 2685


 

This page summarises the information held within TEPCat for the transiting planetary system HD 2685. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper arXiv:1811.05518  
Date of discovery paper 2018 / 11 / 14 y / m / d
Right ascension 00 29 18.95 h m s
Declination −76 18 14.6 d m s
V-band apparent magnitude 9.59 mag
K-band apparent magnitude 8.60 mag
Transit duration 0.18
( 4.3 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2458325.78290 ± 0.00016     HJD or BJD
Orbital period 4.12692 ± 0.00004 days
Reference for orbital ephemeris   arXiv:1811.05518  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 6801 ± 56 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.02 ± 0.03 dex
Stellar mass 1.44 ± 0.02   Msun
Stellar radius 1.57 ± 0.01 Rsun
Stellar logarithmic surface gravity 4.22 ± 0.01 c.g.s.
Stellar mean density ρsun
g cm-3
Orbital eccentricity 0.0  
Orbital semimajor axis   0.0568 +0.0003 −0.0002  AU
Planetary mass 1.18 ± 0.09
( 375 ± 28 )
Mjup
Mearth
Planetary radius 1.44 ± 0.01
( 16.14 ± 0.11 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 2061 ± 21 K
Reference of detailed study arXiv:1811.05518  

 

HD 2685 does not have an entry in the catalogue of orbital obliquity measurements.

 

HD 2685 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)