The Atmospheric Imaging Assembly (AIA) on the Solar Dynamics Observatory (SDO)

Solar Physics - Tập 275 - Trang 17-40 - 2011
James R. Lemen1, Alan M. Title1, David J. Akin1, Paul F. Boerner1, Catherine Chou1, Jerry F. Drake1, Dexter W. Duncan1, Christopher G. Edwards1, Frank M. Friedlaender1, Gary F. Heyman1, Neal E. Hurlburt1, Noah L. Katz1, Gary D. Kushner1, Michael Levay1, Russell W. Lindgren1, Dnyanesh P. Mathur1, Edward L. McFeaters1, Sarah Mitchell1, Roger A. Rehse1, Carolus J. Schrijver1, Larry A. Springer1,2, Robert A. Stern1, Theodore D. Tarbell1, Jean-Pierre Wuelser1, C. Jacob Wolfson1, Carl Yanari1, Jay A. Bookbinder3, Peter N. Cheimets3, David Caldwell3, Edward E. Deluca3, Richard Gates3, Leon Golub3, Sang Park3, William A. Podgorski3, Rock I. Bush4, Philip H. Scherrer4, Mark A. Gummin5, Peter Smith6, Gary Auker7, Paul Jerram7, Peter Pool7, Regina Soufli8, David L. Windt9, Sarah Beardsley10, Matthew Clapp10, James Lang10, Nicholas Waltham10
1Solar and Astrophysics Laboratory, Lockheed Martin Advanced Technology Center, Palo Alto, USA
2Department of Physics, Montana State University-Bozeman, Bozeman, USA
3Smithsonian Astrophysical Observatory, Cambridge, USA
4W. W. Hansen Experimental Physics Laboratory, Center for Space Science and Astrophysics, Stanford University, Stanford, USA
5Alias Aerospace, Inc., St. Helena, USA
6Harvard University-Smithsonian Astrophysical Observatory, Cambridge, USA
7e2V Technologies, Chelmsford, UK
8Lawrence Livermore National Laboratory, Livermore, USA
9Reflective X-ray Optics LLC, New York, USA
10Rutherford Appleton Laboratory, Didcot, UK

Tóm tắt

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 Å), Fe viii, xxi (131 Å), Fe ix (171 Å), Fe xii, xxiv (193 Å), Fe xiv (211 Å), He ii (304 Å), and Fe xvi (335 Å). One telescope observes C iv (near 1600 Å) and the nearby continuum (1700 Å) 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.

Tài liệu tham khảo

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Solar Physics

Tập 275

17-40

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