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Handy, B. N.; Acton, L. W.; Kankelborg, C. C.; Wolfson, C. J.; Akin, D. J.; Bruner, M. E.; Caravalho, R.; Catura, R. C.; Chevalier, Roger A.; Duncan, D.; Edwards, Christopher G.; Feinstein, C.N.; Freeland, S.; Friedlaender, Frank M.; Hoffmann, C.; Hurlburt, N. E.; Jurcevich, B.; Katz, N.; Kelly, GJ; Lemen, J. R.; Levay, M.; Lindgren, R. W.; Mathur, D.; Meyer, S.; Morrison, Sarah J.; Morrison, M.; Nightingale, R. W.; Pope, T.; Rehse, R.; Schrijver, Carolus J.; Shine, R. A.; Shing, L.; Strong, K. T.; Tarbell, T. D.; Title, A. M.; Torgerson, D.D.; Golub, L.; Bookbinder, Jay A.; Caldwell, D.; Cheimets, Peter; Davis, William J.; DeLuca, E. E.; McMullen, R. A.; Warren, H. P.; Amato, Deborah; Fisher, Richard R.; Maldonado, Héctor; Parkinson, Claire L.

doi:10.1023/a:1005166902804

Cited by 1,062 publications

(292 citation statements)

References 16 publications

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“…Space observatories such as SOHO [42], TRACE [43], Hinode [44], and SDO [45] have provided us with a new picture of the state of the plasma and its dynamics in the upper solar atmosphere, and Solar Orbiter will exceed this with increased spatial resolution from vantage points not explored before. While these observatories provided (or will provide, in the case of Solar Orbiter) information on the flux and energy of the photons originating in the solar atmosphere, e.g., spectral radiance, SolmeX will for the first time also explore their state of polarization, giving access to the magnetic field.…”

Section: Discussionmentioning

confidence: 99%

Solar magnetism eXplorer (SolmeX)

et al. 2011

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The magnetic field plays a pivotal role in many fields of Astrophysics. This is especially true for the physics of the solar atmosphere. Measuring the magnetic field in the upper solar atmosphere is crucial to understand the nature of the underlying physical processes that drive the violent dynamics of the solar coronathat can also affect life on Earth.SolmeX, a fully equipped solar space observatory for remote-sensing observations, will provide the first comprehensive measurements of the strength and direction of the magnetic field in the upper solar atmosphere. The mission consists of two spacecraft, one carrying the instruments, and another one in formation flight at a distance of about 200 m carrying the occulter to provide an artificial total solar eclipse. This will ensure high-quality coronagraphic observations above the solar limb SolmeX integrates two spectro-polarimetric coronagraphs for off-limb observations, one in the EUV and one in the IR, and three instruments for observations on the disk. The latter comprises one imaging polarimeter in the EUV for coronal studies, a spectro-polarimeter in the EUV to investigate the low corona, and an imaging spectro-polarimeter in the UV for chromospheric studies.SOHO and other existing missions have investigated the emission of the upper atmosphere in detail (not considering polarization), and as this will be the case also for missions planned for the near future. Therefore it is timely that SolmeX provides the final piece of the observational quest by measuring the magnetic field in the upper atmosphere through polarimetric observations.

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Section: Discussionmentioning

confidence: 99%

Solar magnetism eXplorer (SolmeX)

et al. 2011

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“…A possibility for these ripples is that they could be related to some sort of secondary waves as found by Li et al (2012) (see Section 3), or that they are simply the result of oscillations of loops highly inclined towards the solar surface. Note here that TRACE (Handy et al, 1999) made the first observations of multiple fronts associated with EUV waves (Wills-Davey and Harra and Sterling, 2003). However, given the small field of view of TRACE it was not possible to tell how far these disturbances propagated.…”

Section: Multiple Components and Ripplesmentioning

confidence: 95%

On the Nature and Genesis of EUV Waves: A Synthesis of Observations from SOHO, STEREO, SDO, and Hinode (Invited Review)

2012

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A major, albeit serendipitous, discovery of the SOlar and Heliospheric Observatory mission was the observation by the Extreme Ultraviolet Telescope (EIT) of large-scale Extreme Ultraviolet (EUV) intensity fronts propagating over a significant fraction of the Sun's surface. These so-called EIT or EUV waves are associated with eruptive phenomena and have been studied intensely. However, their wave nature has been challenged by non-wave (or pseudo-wave) interpretations and the subject remains under debate. A string of recent solar missions has provided a wealth of detailed EUV observations of these waves bringing us closer to resolving their nature. With this review, we gather the current state-of-art knowledge in the field and synthesize it into a picture of an EUV wave driven by the lateral expansion of the CME. This picture can account for both wave and pseudo-wave interpretations of the observations, thus resolving the controversy over the nature of EUV waves to a large degree but not completely. We close with a discussion of several remaining open questions in the field of EUV waves research.

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“…Instead, the photometric calibration was obtained by making component-level measurements of all the optical elements in the AIA telescopes (mirrors, filters, and CCD), and combining those measurements analytically to produce a model of the system performance. This approach was used in the calibration of TRACE (Handy et al, 1999) and EIT (Dere et al, 2000) as well. The optical elements are shown schematically in Figure 1.…”

Section: Measuring the Response Functionmentioning

confidence: 99%

Initial Calibration of the Atmospheric Imaging Assembly (AIA) on the Solar Dynamics Observatory (SDO)

Boerner

Edwards

Lemen

et al. 2011

The Solar Dynamics Observatory

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The Atmospheric Imaging Assembly (AIA) instrument onboard the Solar Dynamics Observatory (SDO) is an array of four normal-incidence reflecting telescopes that image the Sun in ten EUV and UV wavelength channels. We present the initial photometric calibration of AIA, based on preflight measurements of the response of the telescope components. The estimated accuracy is of order 25%, which is consistent with the results of comparisons with full-disk irradiance measurements and spectral models. We also describe the characterization of the instrument performance, including image resolution, alignment, camera-system gain, flat-fielding, and data compression.

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Untitled

Cited by 1,062 publications

References 16 publications

Solar magnetism eXplorer (SolmeX)

Solar magnetism eXplorer (SolmeX)

On the Nature and Genesis of EUV Waves: A Synthesis of Observations from SOHO, STEREO, SDO, and Hinode (Invited Review)

Initial Calibration of the Atmospheric Imaging Assembly (AIA) on the Solar Dynamics Observatory (SDO)

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