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12 relations: Australian Astronomical Observatory, Centaurus, Doppler spectroscopy, Exoplanet, Gas giant, Geoffrey Marcy, HD 117618, Jupiter, Mass, Orbital eccentricity, R. Paul Butler, Star.

Australian Astronomical Observatory

The Australian Astronomical Observatory (AAO), formerly the Anglo-Australian Observatory, is an optical and near-infrared astronomy observatory with its headquarters in North Ryde in suburban Sydney, Australia.

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Centaurus

Centaurus is a bright constellation in the southern sky.

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Doppler spectroscopy

Doppler spectroscopy (also known as the radial-velocity method, or colloquially, the wobble method) is an indirect method for finding extrasolar planets and brown dwarfs from radial-velocity measurements via observation of Doppler shifts in the spectrum of the planet's parent star.

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Exoplanet

An exoplanet or extrasolar planet is a planet outside our solar system.

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Gas giant

A gas giant is a giant planet composed mainly of hydrogen and helium.

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Geoffrey Marcy

Geoffrey William Marcy (born September 29, 1954) is an American astronomer.

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HD 117618

HD 117618 is a yellow dwarf star (spectral type G2V) 124 light years from Earth in the constellation of Centaurus.

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Jupiter

Jupiter is the fifth planet from the Sun and the largest in the Solar System.

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Mass

Mass is both a property of a physical body and a measure of its resistance to acceleration (a change in its state of motion) when a net force is applied.

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Orbital eccentricity

The orbital eccentricity of an astronomical object is a parameter that determines the amount by which its orbit around another body deviates from a perfect circle.

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R. Paul Butler

R.

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Star

A star is type of astronomical object consisting of a luminous spheroid of plasma held together by its own gravity.

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Redirects here:

HD 117618b.

References

[1] https://en.wikipedia.org/wiki/HD_117618_b

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