Planet tau Cet h
| Name | tau Cet h | ||
| Planet Status | Confirmed | ||
| Discovered in | 2017 | ||
| Mass | 0.00576 ( -0.00082 +0.0021 ) MJ | ||
| Mass*sin(i) | 0.00576 ( -0.00082 +0.0021 ) MJ | ||
| Semi-Major Axis | 0.243 (± 0.003) AU |  |
|
| Orbital Period | 49.41 ( -0.1 +0.08 ) day | |
|
| Eccentricity | 0.23 ( -0.15 +0.16 ) | ||
| ω | 7.4 ( -48.0 +37.0 ) deg | |
|
| Tperi | — | ||
| Radius | — | ||
| Inclination | — | ||
| Update | 2017-08-15 | ||
| Detection Method | Radial Velocity | ||
| Mass Detection Method | — | ||
| Radius Detection Method | — | ||
| Primary transit | — | ||
| Secondary transit | — | ||
| λ | — | ||
| Impact Parameter b | — | ||
| Time Vr=0 | — | ||
| Velocity Semiamplitude K | 0.39 ( -0.06 +0.15 ) m/s | ||
| Calculated temperature | — | ||
| Measured temperature | — | ||
| Hottest point longitude | — | ||
| Geometric albedo | — | ||
| Surface gravity log(g/gH) | — | ||
| Alternate Names | — |
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 |
Observability Predictor 
Remarks
Feng et al. (2017) : To be consistent with the names used by Tuomi et al. 2013, the new signals at periods of 20 and 49d are named τ Ceti g and h.Related publications
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
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
