TEPCat: GJ 806


 

This page summarises the information held within TEPCat for the transiting planetary system GJ 806. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2023A+A...678A..80P  
Date of discovery paper 2023 / 1 / 18 y / m / d
Data/telescope used for discovery TESS  
Right ascension 20 45 04.10 h m s
Declination +44 29 56.6 d m s
Right ascension (decimal) 311.26708 degrees
Declination (decimal) 44.49906 degrees
V-band apparent magnitude 10.70 mag
K-band apparent magnitude 6.53 mag
Transit duration 0.0388
( 0.931 )
day
hour
Transit depth 0.1 %
Time of mid-transit   2459445.57371 ± 0.00015     HJD or BJD
Orbital period 0.9263237 ± 0.0000009 days
Reference for orbital ephemeris   2023A+A...678A..80P  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 3600 ± 16 K
Stellar metal abundance ([Fe/H] or [M/H])   −0.28 ± 0.07 dex
Stellar mass 0.413 ± 0.011   Msun
Stellar radius 0.4144 ± 0.0038 Rsun
Stellar logarithmic surface gravity 4.98 ± 0.12 c.g.s.
Stellar mean density 6.09 +0.32 −0.33
( 8.59 +0.45 −0.47 )
ρsun
g cm-3
Orbital eccentricity  
Orbital semimajor axis   0.01406 ± 0.00030  AU
Planetary mass 0.0060 ± 0.0005
( 1.91 ± 0.16 )
Mjup
Mearth
Planetary radius 0.1187 ± 0.0021
( 1.331 ± 0.024 )
Rjup
Rearth
Planetary surface gravity 10.4 ± 1.0
3.02 ± 0.04
m/s2
log(cgs)
Planetary mean density 3.32 ± 0.34
( 4.40 ± 0.45 )
ρjup
g cm-3
Planetary equilibrium temperature 940 ± 10 K
Reference of detailed study 2023A+A...678A..80P  

 

GJ 806 does not have an entry in the catalogue of orbital obliquity measurements.

 


Page generated on 2024/04/19           John Southworth   (Keele University, UK)