The Atmospheric Imaging Assembly (AIA) on the Solar Dynamics Observatory (SDO)
James R. Lemen,Alan M. Title,David J. Akin,Paul Boerner,C. Chou,Jerry F. Drake,Dexter W. Duncan,Christopher G. Edwards,Frank M. Friedlaender,Gary F. Heyman,Neal E. Hurlburt,N. Katz,Gary D. Kushner,M. Levay,Russell W. Lindgren,D. Mathur,Edward L. McFeaters,Sarah D. Mitchell,Roger A. Rehse,Carolus J. Schrijver,L. Springer,L. Springer,Robert A. Stern,Theodore D. Tarbell,Jean-Pierre Wuelser,C. Jacob Wolfson,C. Yanari,Jay A. Bookbinder,Peter Cheimets,David Caldwell,Edward E. DeLuca,Richard Gates,Leon Golub,Sang Park,William A. Podgorski,R. I. Bush,Philip H. Scherrer,Mark A. Gummin,Peter L. Smith,Gary Auker,Paul Jerram,Peter J. Pool,Regina Soufli,David L. Windt,Sarah Beardsley,Matthew Clapp,J. Lang,Nicholas R. Waltham +47 more
TLDR
The Atmospheric Imaging Assembly (AIA) as discussed by the authors provides multiple simultaneous high-resolution full-disk images of the corona and transition region up to 0.5 R ⊙ above the solar limb with 1.5-arcsec spatial resolution and 12-second temporal resolution.Abstract:
The Atmospheric Imaging Assembly (AIA) provides multiple simultaneous high-resolution full-disk images of the corona and transition region up to 0.5 R ⊙ above the solar limb with 1.5-arcsec spatial resolution and 12-second temporal resolution. The AIA consists of four telescopes that employ normal-incidence, multilayer-coated optics to provide narrow-band imaging of seven extreme ultraviolet (EUV) band passes centered on specific lines: Fe xviii (94 A), Fe viii, xxi (131 A), Fe ix (171 A), Fe xii, xxiv (193 A), Fe xiv (211 A), He ii (304 A), and Fe xvi (335 A). One telescope observes C iv (near 1600 A) and the nearby continuum (1700 A) and has a filter that observes in the visible to enable coalignment with images from other telescopes. The temperature diagnostics of the EUV emissions cover the range from 6×104 K to 2×107 K. The AIA was launched as a part of NASA’s Solar Dynamics Observatory (SDO) mission on 11 February 2010. AIA will advance our understanding of the mechanisms of solar variability and of how the Sun’s energy is stored and released into the heliosphere and geospace.read more
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BookDOI
Comparative Climatology of Terrestrial Planets
TL;DR: The Comparative Climatology of Terrestrial Planets (CCP) as discussed by the authors is a collection of more than sixty leading experts in the field that sets forth the foundations for this emerging new science and brings the reader to the forefront of our current understanding of atmospheric formation and climate evolution.
Journal ArticleDOI
Observing the release of twist by magnetic reconnection in a solar filament eruption
Zhike Xue,Xiaoli Yan,Xin Cheng,Liheng Yang,Yingna Su,Bernhard Kliem,Bernhard Kliem,Jun Zhang,Zhong Liu,Yi Bi,Yongyuan Xiang,Kai Yang,Li Zhao +12 more
TL;DR: Evidence of fast reconnection in a solar filament eruption is presented using high-resolution H-alpha images from the New Vacuum Solar Telescope, supplemented by extreme ultraviolet observations, to demonstrate a new role for reconnections in solar eruptions: the release of magnetic twist.
Journal ArticleDOI
DIRECT IMAGING OF QUASI-PERIODIC FAST PROPAGATING WAVES OF ∼2000 km s–1 IN THE LOW SOLAR CORONA BY THE SOLAR DYNAMICS OBSERVATORY ATMOSPHERIC IMAGING ASSEMBLY
Wei Liu,Alan M. Title,Junwei Zhao,Leon Ofman,Carolus J. Schrijver,Markus J. Aschwanden,Bart De Pontieu,Theodore D. Tarbell +7 more
TL;DR: In this article, an arc-shaped wave train of 1-5% intensity variations (lifetime ∼200 s) that emanate near the flare kernel and propagate outward up to ∼400 Mm along a funnel of coronal loops is observed.
Journal ArticleDOI
On the prevalence of small-scale twist in the solar chromosphere and transition region.
B. De Pontieu,L. Rouppe van der Voort,Scott W. McIntosh,Tiago M. D. Pereira,Mats Carlsson,Viggo Hansteen,H. Skogsrud,James R. Lemen,A. M. Title,Paul Boerner,Neal E. Hurlburt,T. D. Tarbell,Jean-Pierre Wuelser,E. E. De Luca,L. Golub,Sean McKillop,Katharine K. Reeves,Steven H. Saar,Paola Testa,Hui Tian,Charles C. Kankelborg,S. Jaeggli,Lucia Kleint,Juan Martinez-Sykora +23 more
TL;DR: High-resolution IRIS observations with NASA’s Interface Region Imaging Spectrograph reveal a chromosphere and TR that is replete with twist or torsional motions on sub–arc second scales, occurring in active regions, quiet Sun regions, and coronal holes alike.
Journal ArticleDOI
From Coronal Observations to MHD Simulations, the Building Blocks for 3D Models of Solar Flares (Invited Review)
TL;DR: In this article, the authors summarized the processes that can account for the build-up and release of energy during solar flares, focusing on the development of recent 3D numerical simulations that explain many of the observed flare features.
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TL;DR: The Extreme-ultraviolet Imaging Telescope (EIT) as discussed by the authors provides wide-field images of the corona and transition region on the solar disc and up to 1.5 R⊙ above the solar limb.
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Journal ArticleDOI
The X-Ray Telescope (XRT) for the Hinode Mission
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