Gliese 15 Ac
Gliese 15 Ac (also known as Groombridge 34 Ac) is an exoplanet orbiting the nearby red dwarf star Gliese 15 A (Groombridge 34 A), which is part of a binary star system located about 11.6 light-years from the Sun. The planet was first proposed in October 2017 using radial velocity data from the CARMENES spectrograph, combined with measurements from the HARPS and HIRES spectrographs, and its existence was confirmed in April 2018 using HARPS-N data. It has a minimum mass 36 times that of Earth and orbits at around 5.4 astronomical units with a period of 7,600 days (21 years), an orbit which may have been sculpted by interaction with the companion star, Gliese 15 B. As of 2020, Gliese 15 Ac is the longest-period sub-Jovian planet discovered by radial velocity.
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Gliese 15 Ac
Gliese 15 Ac (also known as Groombridge 34 Ac) is an exoplanet orbiting the nearby red dwarf star Gliese 15 A (Groombridge 34 A), which is part of a binary star system located about 11.6 light-years from the Sun. The planet was first proposed in October 2017 using radial velocity data from the CARMENES spectrograph, combined with measurements from the HARPS and HIRES spectrographs, and its existence was confirmed in April 2018 using HARPS-N data. It has a minimum mass 36 times that of Earth and orbits at around 5.4 astronomical units with a period of 7,600 days (21 years), an orbit which may have been sculpted by interaction with the companion star, Gliese 15 B. As of 2020, Gliese 15 Ac is the longest-period sub-Jovian planet discovered by radial velocity.
has abstract
Gliese 15 Ac (also known as Gr ...... discovered by radial velocity.
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Method of discovery
Radial velocity
former name
Groombridge 34 Ac
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Wikipage page ID
64,721,140
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1,000,749,023
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alt names
Groombridge 34 Ac
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astron
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caption
Artist's impression of a Neptune-type exoplanet like Gliese 15 Ac.
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discovered
April 2018
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discoverer
Pinamonti et al.
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discovery method
discovery site
extrasolarplanet
yes
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mass
≥
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name
Gliese 15 Ac
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period
d
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semimajor
AU
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star
Groombridge 34 A
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subject
comment
Gliese 15 Ac (also known as Gr ...... discovered by radial velocity.
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label
Gliese 15 Ac
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sameAs
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name
Gliese 15 Ac
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