TEPCat: HD 80606


 

This page summarises the information held within TEPCat for the transiting planetary system HD 80606. Please see here for descriptions of the quantities given below.

 

Discovery and basic observable quantities:
 
Quantity Value Unit
Reference of discovery paper 2009A+A...498L...5M  
Date of discovery paper 2009 / 2 / 25 y / m / d
Data/telescope used for discovery other  
Right ascension 09 22 37.57 h m s
Declination +50 36 13.4 d m s
Right ascension (decimal) 140.65654 degrees
Declination (decimal) 50.60372 degrees
V-band apparent magnitude 9.06 mag
K-band apparent magnitude 7.32 mag
Transit duration 0.4990
( 11.976 )
day
hour
Transit depth 1.6 %
Time of mid-transit   2458888.0747 ± 0.0020     HJD or BJD
Orbital period 111.436765 ± 0.000074 days
Reference for orbital ephemeris   2022AJ....164..178P  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5584 ± 13 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.316 ± 0.018 dex
Stellar mass 1.018 ± 0.057   Msun
Stellar radius 1.037 ± 0.035 Rsun
Stellar logarithmic surface gravity 4.415 ± 0.022 c.g.s.
Stellar mean density 0.913 ± 0.062
( 1.288 ± 0.087 )
ρsun
g cm-3
Orbital eccentricity 0.93183 ± 0.00014  
Orbital semimajor axis   0.4603 ± 0.0021  AU
Planetary mass 4.1641 ± 0.0047
( 1323.726 ± 1.494 )
Mjup
Mearth
Planetary radius 1.032 ± 0.015
( 11.57 ± 0.17 )
Rjup
Rearth
Planetary surface gravity m/s2
log(cgs)
Planetary mean density ρjup
g cm-3
Planetary equilibrium temperature 405 ± 7 K
Reference of detailed study 2022AJ....164..178P  

 

Entries in the catalogue of orbital obliquity measurements:
 
Reference λ (degrees)
Moutou et al. (2009)prograde
Pont et al. (2009)   50   + 61   - 36  
Winn et al. (2009)   53   + 34   - 21  
Hébrard et al. (2010)   42   ±   8  

 

 


Page generated on 2024/05/08           John Southworth   (Keele University, UK)