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
Right ascension 09 22 37.57 h m s
Declination +50 36 13.4 d m s
V-band apparent magnitude 9.06 mag
K-band apparent magnitude 7.32 mag
Transit duration 0.495
( 11.88 )
day
hour
Transit depth 1.0 %
Time of mid-transit   2455210.6420 ± 0.0010     HJD or BJD
Orbital period 111.4367 ± 0.0004 days
Reference for orbital ephemeris   2010A+A...516A..95H  

 

Physical properties from the most recent detailed study:
 
Quantity Value Unit
Stellar effective temperature 5574 ± 72 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.34 ± 0.05 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 0.9330 ± 0.0005  
Orbital semimajor axis   0.4564 ± 0.0086  AU
Planetary mass 4.114 ± 0.155
( 1307 ± 49 )
Mjup
Mearth
Planetary radius 1.003 ± 0.027
( 11.24 ± 0.30 )
Rjup
Rearth
Planetary surface gravity 101.4 ± 3.9
4.01 ± 0.02
m/s2
log(cgs)
Planetary mean density 3.82 ± 0.23
( 5.07 ± 0.31 )
ρjup
g cm-3
Planetary equilibrium temperature 405 ± 7 K
Reference of detailed study 2011MNRAS.417.2166S  

 

Entries in the catalogue of Rossiter-McLaughlin 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  

 

 

HD 80606 has been examined as part of the Homogeneous Studies of Transiting Extrasolar Planets project. The details from this work have been given below. In most instances they are the same as the physical properties given above, but in some cases the Homogeneous Studies results given below have been superseded by newer analyses. Separate statistical and systematic errorbars are given where relevant.

Measured parameters Value Unit
Orbital velocity amplitude 476.1 ± 2.2 m/s
Stellar effective temperature 5574 ± 72 K
Stellar metal abundance ([Fe/H] or [M/H])   +0.34 ± 0.05 dex
Orbital inclination 89.232 ± 0.029   degrees
Fractional stellar radius (R* / a) 0.01056 ± 0.00024  
Fractional planetary radius (Rpl / a)   0.001045 ± 0.000019   
Light curve analysis reference 2011MNRAS.417.2166S  
 
Derived parameters Value Unit
Stellar mass 1.018 ± 0.035 ± 0.045 Msun
Stellar radius 1.037 ± 0.032 ± 0.015 Rsun
Stellar logarithmic surface gravity 4.415 ± 0.021 ± 0.007 c.g.s.
Stellar mean density 0.913 ± 0.062 ρsun
Orbital semimajor axis   0.4564 ± 0.0054 ± 0.0068  AU
Planetary mass 4.114 ± 0.096 ± 0.122 Mjup
Planetary radius 1.003 ± 0.023 ± 0.015 Rjup
Planetary surface gravity 101.4 ± 3.9 m/s2
Planetary mean density 3.82 ± 0.23 ± 0.06 ρjup
Planetary equilibrium temperature 405 ± 7 K
Safronov number 3.677 ± 0.093 ± 0.055  
Main analysis reference 2011MNRAS.417.2166S  

 


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