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HD 1461

HD 1461 is a G0V class star slightly more massive than the Sun (G2V), located about 76 light-years away in the constellation of Cetus.

As of December 2009, HD 1461 is now the largest main sequence star with a possible Super-Earth around it.

Planetary system

On 14 December 2009, scientists announced the discovery at least one planet orbiting around HD 1461.[4][5]
The HD 1461 system[4] Companion
(in order from star) Mass Semimajor axis
(AU) Orbital period
(days) Eccentricity
b ≥ 8.1±0.7 M⊕ 0.063434±0.000008 5.7722±0.0011 0.04±0.01
c (unconfirmed) ≥ 22.9±9.8 M⊕ 1.165±0.008 454±4 0.74±0.13
d (unconfirmed) ≥ 97±1161 M⊕ 5±18 5000±90000 0.16±0.29

References

1. ^ a b c d e van Leeuwen, F. (2007). "HIP 1499". Hipparcos, the New Reduction. http://webviz.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=I/311/hip2&recno=1496. Retrieved 2010-01-05.
2. ^ "HD 1461". SIMBAD Astronomical Database. http://simbad.u-strasbg.fr/simbad/sim-id?Ident=HD+1461. Retrieved 2009-12-25.
3. ^ Holmberg et al. (2009). "HD 1461". Geneva-Copenhagen Survey of Solar neighbourhood III. http://vizier.u-strasbg.fr/viz-bin/VizieR-5?-out.add=.&-source=V/130/gcs3&recno=165. Retrieved 2010-12-04.
4. ^ a b Rivera, Eugenio (2009). "A Super-Earth Orbiting the Nearby Sun-like Star HD 1461". arΧiv:0912.2566v1 [astro-ph.EP].
5. ^ Tim Stephens (2009-12-14). "New planet discoveries suggest low-mass planets are common around nearby stars". UCSC News. UC Santa Cruz. http://www.ucsc.edu/news_events/text.asp?pid=3439. Retrieved 2009-12-14.

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