Journal ArticleDOI
Evolution of Debris Disks
TLDR
In this article, a review describes the theoretical framework within which debris disk evolution takes place and shows how that framework has been constrained by observations, including infrared photometry of large numbers of debris disks, providing snapshots of the dust present at different evolutionary phases.Abstract:
Circumstellar dust exists around several hundred main sequence stars. For the youngest stars, that dust could be a remnant of the protoplanetary disk. Mostly it is inferred to be continuously replenished through collisions between planetesimals in belts analogous to the Solar System’s asteroid and Kuiper belts, or in collisions between growing protoplanets. The evolution of a star’s debris disk is indicative of the evolution of its planetesimal belts and may be influenced by planet formation processes, which can continue throughout the first gigayear as the planetary system settles to a stable configuration and planets form at large radii. Evidence for that evolution comes from infrared photometry of large numbers of debris disks, providing snapshots of the dust present at different evolutionary phases, as well as from images of debris disk structure. This review describes the theoretical framework within which debris disk evolution takes place and shows how that framework has been constrained by observations.read more
Citations
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Journal ArticleDOI
A thermodynamic and mechanical model for formation of the Solar System via 3-dimensional collapse of the dusty pre-solar nebula
TL;DR: In this paper, a 3D pre-solar nebula (PSN) model was proposed to explain the fundamental rotational characteristics of the solar system (nearly circular, co-planar orbits and mostly upright axial spins of the planets).
Journal ArticleDOI
Polarimetry and flux distribution in the debris disk around HD 32297
Ruben Asensio-Torres,Markus Janson,Jun Hashimoto,Christian Thalmann,Thayne Currie,Esther Buenzli,Tomoyuki Kudo,Masayuki Kuzuhara,Nobuhiko Kusakabe,Lyu Abe,Eiji Akiyama,Wolfgang Brandner,Timothy D. Brandt,Joseph C. Carson,Joseph C. Carson,Sebastian Egner,Markus Feldt,Miwa Goto,Carol A. Grady,Olivier Guyon,Yutaka Hayano,Masahiko Hayashi,Saeko S. Hayashi,Th. Henning,Klaus W. Hodapp,Miki Ishii,Masanori Iye,Ryo Kandori,Gillian R. Knapp,Jungmi Kwon,Taro Matsuo,Michael W. McElwain,Satoshi Mayama,Shoken Miyama,Jun-Ichi Morino,Amaya Moro-Martin,Amaya Moro-Martin,Tetsuro Nishimura,Tae-Soo Pyo,Eugene Serabyn,Takuya Suenaga,Hiroshi Suto,Ryuji Suzuki,Yasuhiro H. Takahashi,Michihiro Takami,Naruhisa Takato,Hiroshi Terada,Edwin L. Turner,Edwin L. Turner,Makoto Watanabe,John P. Wisniewski,Toru Yamada,Hideki Takami,Tomonori Usuda,Motohide Tamura +54 more
TL;DR: In this article, high-contrast angular differential imaging (ADI) observations of the debris disk around HD32297 in H-band, as well as the first polarimetric images for this system in polarized differential imaging mode with Subaru/HICIAO were presented.
Journal ArticleDOI
The little dippers : transits of star-grazing exocomets?
Megan Ansdell,Eric Gaidos,Tom Jacobs,Andrew W. Mann,Andrew W. Mann,Carlo F. Manara,Grant M. Kennedy,Andrew Vanderburg,Matthew A. Kenworthy,Teruyuki Hirano,Daryll LaCourse,Christina Hedges,Antonio Frasca +12 more
TL;DR: In this article, the authors describe EPIC 205718330 and EPIC 235240266, two systems identified in the K2 data whose light curves contain episodic drops in brightness with shapes and durations similar to those of the young dipper stars, yet shallower by ˜1-2 orders of magnitude.
Journal ArticleDOI
Are supermassive black holes shrouded by ‘super-Oort’ clouds of comets and asteroids?
TL;DR: In this article, a number of observational and physical constraints on AGN obscuring tori resulting from such fragmentation cascades are investigated. But the results show that tori fed by fragmenting asteroids disappear at both low and high active galactic nuclei luminosities, where LEdd is the Eddington limit.
Journal ArticleDOI
Searching for Dust around Hyper Metal-Poor Stars
TL;DR: In this paper, the authors examined the mid-infrared fluxes and spectral energy distributions for metal-poor stars with iron abundances [Fe/H] and two CEMP-no stars, to eliminate the possibility that their low metallicities are related to the depletion of elements onto dust grains in the formation of a debris disk.
References
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Journal ArticleDOI
The Spitzer Space Telescope mission
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TL;DR: The Spitzer Space Telescope, NASA's great Observatory for infrared astronomy, was launched 2003 August 25 and is returning excellent scientific data from its Earth-trailing solar orbit as mentioned in this paper.
Journal ArticleDOI
Disk Frequencies and Lifetimes in Young Clusters
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Journal ArticleDOI
Meteorites and the Early Solar System
TL;DR: Chondrite classification, primordial matter composition and early solar system chemical processes, discussing cosmic gas condensation and refractory element fractionation are discussed in this paper, with a focus on early solar systems chemical processes.
Journal ArticleDOI
Origin of the cataclysmic Late Heavy Bombardment period of the terrestrial planets
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Book
Protostars and Planets V
TL;DR: Protostars and Planets V as mentioned in this paper provides a detailed and up-to-date picture of star and planet formation, including the formation and early evolution of our own solar system.