HR 8799 is a roughly 30 million-year-old main-sequence star located 133.3 light-years (40.9 parsecs) away from Earth in the constellation of Pegasus....
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HR 8799 b is an extrasolar planet located approximately 129 light-years away in the constellation of Pegasus, orbiting the 6th magnitude Lambda Boötis...
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HR 8799 e is a large exoplanet, orbiting the star HR 8799, which lies 129 light-years from Earth. This gas giant is between 5 and 10 times the mass of...
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HR 8799 d is an extrasolar planet located approximately 129 light-years away in the constellation of Pegasus, orbiting the 6th magnitude Lambda Boötis...
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HR 8799 c is an extrasolar planet located approximately 129 light-years away in the constellation of Pegasus, orbiting the 6th magnitude Lambda Boötis...
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This list includes the four members of the multi-planet system that orbit HR 8799. It is unlikely or at least unclear if objects on a wide orbit (≥100 AU)...
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and Gemini Observatory. Three planets were directly observed orbiting HR 8799, whose masses are approximately ten, ten, and seven times that of Jupiter...
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most recent is the discovery of the complex extrasolar planets system HR 8799. HR 8799 is the first direct observation of an exoplanet in history. The Canadian...
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Lafrenière, D. (2010-02-10). "SPATIALLY RESOLVED SPECTROSCOPY OF THE EXOPLANET HR 8799 c". The Astrophysical Journal. 710 (1): L35–L38. arXiv:1001.2017. Bibcode:2010ApJ...
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exoplanet-hosting stars, including the first discovered by direct imaging (HR 8799), are known to also host debris disks. The nearby star 55 Cancri, a system...
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age of the star, similar to the masses of directly imaged planets around HR 8799 and beta Pictoris. However, it is unclear whether ROXs 42Bb formed like...
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stars with multiple super-jovian planets at moderate/wide separations like HR 8799. While other hypothetical planets have been claimed to exist around the...
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three detected planets circling their parent star, an A-type star known as HR 8799. NOAO was a founding partner in the Vera C. Rubin Observatory project....
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vapor beyond the Solar System, while extrasolar planets orbiting the star HR 8799 also in Pegasus are the first to be directly imaged. V391 Pegasi is a hot...
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Moon. The most massive exoplanet listed on the NASA Exoplanet Archive is HR 2562 b, about 30 times the mass of Jupiter. However, according to some definitions...
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directly image planets. They did this by imaging the previously imaged HR 8799 planets using just a 1.5 m portion of the Hale Telescope. List of solar...
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whose host stars are chemically peculiar stars. The young variable star HR 8799, which hosts four directly imaged massive planets, belongs to the group...
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Christian; Doyon, René; Barman, Travis (2009). "HST/NICMOS Detection of HR 8799 b in 1998". The Astrophysical Journal Letters. 694 (2): L148. arXiv:0902...
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star systems known to feature planets include HD 15082, Beta Pictoris, HR 8799 and HD 95086. Within 40 light years: Delta Capricorni is likely a subgiant...
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first directly imaged planets) around HR 8799 and a 2010 paper discovering a fourth imaged planet in the system: HR 8799 e. In 1982, Zuckerman co-edited a...
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considered an exoplanet. More close-in planets, such as the planets around HR 8799 and Kappa Andromedae b also resemble L-dwarfs or have an L spectral type...
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system in the process of formation. HR 8799: Also on November 13, the discovery of three planets orbiting HR 8799 was announced. This was the first direct...
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+2.48 ESO 439-26 133 ± 5 1 DC9 +20.52 Least luminous white dwarf star. HR 8799 (V342 Pegasi) 133.3 ± 0.2 1 kA5 hF0 mA5 V; λ Boo +5.964 Has 4 exoplanets...
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Tycho Catalogues". Retrieved 2006-12-26. Kostjuk, N. D. (2002). "HD-DM-GC-HR-HIP-Bayer-Flamsteed Cross Index". Retrieved 2006-12-26. Roman, N. G. (1987)...
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more massive field brown dwarfs and young L/T transition exoplanets like HR 8799 d. Jointly modeling relative astrometry of HIP 99770 b with absolute astrometry...
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image of the planets. The most famous star in the Columba association is HR 8799 which has four directly imaged planets. The group was at first not recognized...
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Ji; et al. (20 November 2018). "Detecting Water in the Atmosphere of HR 8799 c with L-band High-dispersion Spectroscopy Aided by Adaptive Optics". The...
239 KB (22,304 words) - 05:25, 12 August 2024
directly image planets. They did this by imaging the previously imaged HR 8799 planets using just a 1.5 m portion of the 5 meter Hale Telescope. Vortex...
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slightly larger scales, comparable to the locations of the planets around HR 8799, any additional planets of Fomalhaut must have masses below about 2 to...
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Interferometer (VLTI), announce the first direct detection of an exoplanet, HR 8799 e, using optical interferometry. Chinese scientists report inserting the...
257 KB (24,664 words) - 17:06, 6 October 2024