Planet tau Cet e

Name tau Cet e
Planet Status Confirmed
Discovered in 2012
Mass 0.0124 ( -0.002 +0.0026 ) MJ
Mass*sin(i) 0.0124 ( -0.002 +0.0026 ) MJ
Semi-Major Axis 0.538 (± 0.006) AU
Orbital Period 162.87 ( -0.46 +1.08 ) JD
Eccentricity 0.18 ( -0.14 +0.18 )
ω 22.0 ( -46.0 +75.0 ) deg
Tperi
Radius
Inclination
Update 2017-08-15
Detection Method Radial Velocity
Mass Detection Method Radial Velocity
Radius Detection Method
Molecules
Primary transit
Secondary transit
λ
Impact Parameter b
Time Vr=0
Velocity Semiamplitude K 0.55 ( -0.09 +0.13 ) m/s
Calculated temperature
Measured temperature
Hottest point longitude
Geometric albedo
Surface gravity log(g/gH)
Alternate Names HD 10700 e

Star

tau Cet
Name tau Cet
Distance 3.65 (± 0.002) pc
Spectral type G8.5 V
Apparent magnitude V 3.5
Mass 0.783 (± 0.012) MSun
Age 5.8 Gyr
Effective temperature 5344.0 (± 50.0) K
Radius 0.793 (± 0.004) RSun
Metallicity [Fe/H] -0.55 (± 0.05)
Detected Disc Imaging +
Magnetic Field
RA2000 01:44:04.0
Dec2000 -15:56:15
Alternate Names
Planetary system
4 planets

More data


Related publications

Constraints on the structure of hot exozodiacal dust belts
2017 KIRCHSCHLAGER F., WOLF S., KRIKOV A., MUTSCHKE H. & BRUNNGRÄBER R.
MNRAS, submitted
arxiv  

Color difference makes a difference: four planet candidates around tau Ceti
2017 FENG F., TUOMI M., JONES H., BARNES J., ANGLADA-ESCUDE G. et al.
Astron. J., 154, 135
paper  arxiv  

How alien can alien worlds be?
2017 ADIBEKYAN F., FIGUEIRA P. & SANTOS N.
in EWASS Special Session 4 (2017): Star-planet interactions
arxiv  

ALMA Observations of the Debris Disk of Solar Analogue Tau Ceti
2016 MacGREGOR M., LAWLER S., WILNER D., MATTHEWS B., KENNEDY G. et al.
ApJ, 828, 113
paper  arxiv  ADS

Thorium Abundances in Solar Twins and Analogues: Implications for the Habitability of Extrasolar Planetary Systems
2015 UNTERBORN C., JOHNSON J. & PANERO W.
ApJ, submitted
arxiv  

The Chemical Composition of τ Ceti and Possible Effects on Terrestrial Planets
2015 PAGANO M., TRUITL A., YOUNG P. & SHIM S.-H.
ApJ, 803, 90
paper  arxiv  ADS  

Remote Life Detection Criteria, Habitable Zone Boundaries, and the Frequency of Earthlike Planets around M and Late-K Stars
2014 KASTING J., KOPPARAPU R., RAMIREZ R. & HARMAN Ch.
PNAS, in press
paper  arxiv  

The Debris Disk of Solar Analogue τ Ceti: Herschel Observations and Dynamical Simulations of the Proposed Multiplanet System
2014 LAWLER, S., DI FRANCISCO, J., KENNEDY, G., SIBTHORPE, B., BOOTH, M. & 14 additional authors
MNRAS, 444, 2665
paper  arxiv 

Strong Dependence of the Inner Edge of the Habitable Zone on Planetary Rotation Rate
2014 YANG J., BOUE G., FABRYCKY D. & ABBOT D.
ApJ Letters, 787, L2
paper  arxiv  

Cosmological aspects of planetary habitability
2014 SHCHEKINOV Y., SAFONOVA M. & MURTHY J.
ApJ, submitted
arxiv  

Signals embedded in the radial velocity noise
2013 TUMOI
in "RoPACS meeting "Hot Planets and Cool Stars" " Garching 2012
arxiv  

Signals embedded in the radial velocity noise. Periodic variations in the tau Ceti velocities
2013 TUOMI M., JONES H., JENKINS J., TINNEY Ch., BUTLER P. & 11 additional authors
Astron. & Astrophys., 551, A79
paper  arxiv  

The debris disc around tau Ceti: a massive analogue to the Kuiper Belt.
2004 GREAVES J., WYATT M ., HOLLAND W. & DENT W.
MNRAS, 351, L54
paper