Academic literature on the topic 'DKIST'

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Journal articles on the topic "DKIST"

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Elmore, David F. "Polarization calibration techniques and scheduling for the Daniel K. Inouye Solar Telescope." Proceedings of the International Astronomical Union 10, S305 (2014): 102–7. http://dx.doi.org/10.1017/s1743921315004603.

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AbstractThe Daniel K. Inouye Solar Telescope (DKIST), formerly Advanced Technology Solar Telescope when it begins operation in 2019 will be by a significant margin Earth's largest solar research telescope. Science priorities dictate an initial suite of instruments that includes four spectro-polarimeters. Accurate polarization calibration of the individual instruments and of the telescope optics shared by those instruments is of critical importance. The telescope and instruments have been examined end-to-end for sources of polarization calibration error, allowable contributions from each of the
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Schindler, Florian. "Sonnenbeobachtung mit bisher unerreichter Genauigkeit durch Längenmessgeräte." Konstruktion 69, S1 (2017): 18–20. http://dx.doi.org/10.37544/0720-5953-2017-s1-18.

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Sie scheint zum Greifen nah und sorgt dafür, dass auf der Erde Leben wächst und gedeiht: die Sonne. Trotzdem wissen wir noch erstaunlich wenig über die Vorgänge in diesem Stern. Das wollen Sonnen- forscher mit dem neuen DKIST-Sonnenteleskop auf Hawaii ändern. Das Kiepenheuer-Institut für Sonnenphysik in Freiburg entwickelt dafür einen Visible Tunable Filter. Die Einstellung des Filters steuern Längenmessgeräte von Heidenhain mit einer Genauigkeit von unter einem Nanometer.
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Snow, B., G. J. J. Botha, E. Scullion, J. A. McLaughlin, P. R. Young, and S. A. Jaeggli. "Predictions of DKIST/DL-NIRSP Observations for an Off-limb Kink-unstable Coronal Loop." Astrophysical Journal 863, no. 2 (2018): 172. http://dx.doi.org/10.3847/1538-4357/aad3bc.

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Shchukina, N. G., and J. Trujillo Bueno. "The diagnostic potential of the weak field approximation for investigating the quiet Sun magnetism: the Si I 10 827 Å line." Astronomy & Astrophysics 628 (August 2019): A47. http://dx.doi.org/10.1051/0004-6361/201935510.

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Aims. We aim to investigate the validity of the weak field approximation (WFA) for determining magnetic fields in quiet regions of the solar photosphere using the polarization caused by the Zeeman effect in the Si I10 827 Å line.Methods. We solved the NLTE line formation problem by means of multilevel radiative transfer calculations in a three-dimensional (3D) snapshot model taken from a state-of-the-art magneto-convection simulation of the small-scale magnetic activity in the quiet solar photosphere. The 3D model used is characterized by a surface mean magnetic field strength of about 170 G.
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Socas-Navarro, H., and A. Asensio Ramos. "Exploring the Sun’s upper atmosphere with neural networks: Reversed patterns and the hot wall effect." Astronomy & Astrophysics 652 (August 2021): A78. http://dx.doi.org/10.1051/0004-6361/202140424.

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We have developed an inversion procedure designed for high-resolution solar spectro-polarimeters, such as those of Hinode and the DKIST. The procedure is based on artificial neural networks trained with profiles generated from random atmospheric stratifications for a high generalization capability. When applied to Hinode data, we find a hot fine-scale network structure whose morphology changes with height. In the middle layers, this network resembles what is observed in G-band filtergrams, but it is not identical. Surprisingly, the temperature enhancements in the middle and upper photosphere h
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Harrington, David M., and Stacey R. Sueoka. "Polarization modeling and predictions for DKIST part 3: focal ratio and thermal dependencies of spectral polarization fringes and optic retardance." Journal of Astronomical Telescopes, Instruments, and Systems 4, no. 01 (2018): 1. http://dx.doi.org/10.1117/1.jatis.4.1.018006.

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Judge, P. G. "Atomic physics and solar polarimetry." Canadian Journal of Physics 95, no. 9 (2017): 847–54. http://dx.doi.org/10.1139/cjp-2016-0836.

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Major outstanding problems in solar physics relate to solar magnetism. Spectropolarimetry offers the best, and sometimes only, method of obtaining accurate measurements of the Sun’s magnetic field. New 1.5–2 m class telescopes with adaptive optics have come on line, and the Daniel K. Inouye 4 m Solar Telescope (DKIST) will begin observing in 2019. The calibration of polarized light entering such a large and polarizing ground-based telescope represents difficult challenges. This paper explores how special polarization properties of particular atomic transitions may provide calibration data, aug
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Carlsson, Mats, Bart De Pontieu, and Viggo H. Hansteen. "New View of the Solar Chromosphere." Annual Review of Astronomy and Astrophysics 57, no. 1 (2019): 189–226. http://dx.doi.org/10.1146/annurev-astro-081817-052044.

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The solar chromosphere forms a crucial, yet complex and until recently poorly understood, interface between the solar photosphere and the heliosphere. ▪ Advances in high-resolution instrumentation, adaptive optics, image reconstruction techniques, and space-based observatories allow unprecedented high-resolution views of the finely structured and highly dynamic chromosphere. ▪ Dramatic progress in numerical computations allows 3D radiative magnetohydrodynamic forward models to take the place of the previous generation of 1D semiempirical atmosphere models. These new models provide deep insight
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Harrington, David M., Frans Snik, Christoph U. Keller, Stacey R. Sueoka, and Gerard van Harten. "Polarization modeling and predictions for DKIST part 2: application of the Berreman calculus to spectral polarization fringes of beamsplitters and crystal retarders." Journal of Astronomical Telescopes, Instruments, and Systems 3, no. 04 (2017): 1. http://dx.doi.org/10.1117/1.jatis.3.4.048001.

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Efimenko, V. "Astronomical observatory of Taras Shevchenko National University of Kyiv in 2019." Bulletin of Taras Shevchenko National University of Kyiv. Astronomy, no. 61 (2020): 33–35. http://dx.doi.org/10.17721/btsnua.2020.61.33-35.

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In 2019, the Astronomical Observatory had 48 full-time employees and 11 part-time employees. A total of 59 employees, including 34 scientists, including 24 full-time (6 doctors of sciences and 16 candidates of sciences) and 10 part-time employees (1 doctor and 3 candidates of sciences). The observatory consists of the Department of Astrophysics (Head of the Department, Doctor of Physical and Mathematical Sciences, Professor VI Zhdanov), the Department of Astrometry and Small Bodies of the Solar System (Head of the Department, Candidate of Physical and Mathematical Sciences Lukyanyk IV.), and 2
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Dissertations / Theses on the topic "DKIST"

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Oh, Chang Jin, Andrew E. Lowman, Greg A. Smith, et al. "Fabrication and testing of 4.2m off-axis aspheric primary mirror of Daniel K. Inouye Solar Telescope." SPIE-INT SOC OPTICAL ENGINEERING, 2016. http://hdl.handle.net/10150/622428.

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Daniel K. Inouye Solar Telescope (formerly known as Advanced Technology Solar Telescope) will be the largest optical solar telescope ever built to provide greatly improved image, spatial and spectral resolution and to collect sufficient light flux of Sun. To meet the requirements of the telescope the design adopted a 4m aperture off-axis parabolic primary mirror with challenging specifications of the surface quality including the surface figure, irregularity and BRDF. The mirror has been completed at the College of Optical Sciences in the University of Arizona and it meets every aspect of requ
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Sueoka, Stacey Ritsuyo. "Polarization optical components of the Daniel K. Inouye Solar Telescope." Thesis, The University of Arizona, 2016. http://pqdtopen.proquest.com/#viewpdf?dispub=10116376.

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<p>The Daniel K Inouye Solar Telescope (DKIST), when completed in 2019 will be the largest solar telescope built to date. DKIST will have a suite of first light polarimetric instrumentation requiring broadband polarization modulation and calibration optical elements. Compound crystalline retarders meet the design requirements for efficient modulators and achromatic calibration retarders. These retarders are the only possible large diameter optic that can survive the high flux, 5 arc minute field, and ultraviolet intense environment of a large aperture solar telescope at Gregorian focus. </p><p
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Books on the topic "DKIST"

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McLafferty. Registry Msd 6e Dknist. John Wiley & Sons Inc, 1994.

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Book chapters on the topic "DKIST"

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Gloor, M. "Dermatokortikosteroide (DKST)." In Dermatologische Externatherapie. Springer Berlin Heidelberg, 2000. http://dx.doi.org/10.1007/978-3-642-58308-7_12.

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Ward, Jamie. "Applying E-learning Technologies to Library Information Literacy Instruction." In Critical Design and Effective Tools for E-Learning in Higher Education. IGI Global, 2010. http://dx.doi.org/10.4018/978-1-61520-879-1.ch014.

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Academic libraries have adopted and adapted the e-learning technologies for delivery of their Information Literacy programmes. This chapter describes some of the ways in which academic librarians have been very inventive in using emerging technologies to enhance their instructional content. By using a case study of DkIT the chapter details how information literacy and the e-learning technologies emerged together. E-learning platforms like the virtual learning environments (VLE) are the natural place for libraries to use as portals for their IL instruction. This chapter argues that using the VLE (with the inherent instructional interaction made possible by this technology), and adopting some amalgam of the newer teaching styles like problem-based learning and blended learning techniques completes the IL circle for librarians. Librarians now have the tools at their disposal to finally fulfil the promises we undertook when we embarked on our information literacy programmes.
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Conference papers on the topic "DKIST"

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Bell, Alexander, Clemens Halbgewachs, Thomas J. Kentischer, et al. "DKIST visible tunable filter control software: connecting the DKIST framework to OPC UA." In SPIE Astronomical Telescopes + Instrumentation, edited by Gianluca Chiozzi and Nicole M. Radziwill. SPIE, 2014. http://dx.doi.org/10.1117/12.2055583.

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White, Charles R., and LeEllen Phelps. "DKIST facility management system integration." In SPIE Astronomical Telescopes + Instrumentation, edited by Helen J. Hall, Roberto Gilmozzi, and Heather K. Marshall. SPIE, 2016. http://dx.doi.org/10.1117/12.2233118.

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Johansson, Erik M., Keith Cummings, Mark Drobilek, et al. "The DKIST low order wavefront sensor." In Adaptive Optics Systems VI, edited by Dirk Schmidt, Laura Schreiber, and Laird M. Close. SPIE, 2018. http://dx.doi.org/10.1117/12.2313745.

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Wöger, Friedrich. "DKIST visible broadband imager interference filters." In SPIE Astronomical Telescopes + Instrumentation, edited by Suzanne K. Ramsay, Ian S. McLean, and Hideki Takami. SPIE, 2014. http://dx.doi.org/10.1117/12.2056484.

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Murga, Gaizka, Heather K. Marshall, Thomas E. Lorentz, Javier Ariño, and Pedro Ampuero. "DKIST enclosure fabrication factory assembly and testing." In SPIE Astronomical Telescopes + Instrumentation, edited by Larry M. Stepp, Roberto Gilmozzi, and Helen J. Hall. SPIE, 2014. http://dx.doi.org/10.1117/12.2055320.

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Beard, Andrew, Bruce Cowan, and Andrew Ferayorni. "DKIST visible broadband imager data processing pipeline." In SPIE Astronomical Telescopes + Instrumentation, edited by Gianluca Chiozzi and Nicole M. Radziwill. SPIE, 2014. http://dx.doi.org/10.1117/12.2057122.

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Marino, Jose, Elizabeth Carlisle, and Dirk Schmidt. "Simulation of DKIST solar adaptive optics system." In SPIE Astronomical Telescopes + Instrumentation, edited by Enrico Marchetti, Laird M. Close, and Jean-Pierre Véran. SPIE, 2016. http://dx.doi.org/10.1117/12.2232060.

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Johnson, Luke C., Kit Richards, Keith Cummings, et al. "Laboratory integration of the DKIST wavefront correction system." In Adaptive Optics Systems VI, edited by Dirk Schmidt, Laura Schreiber, and Laird M. Close. SPIE, 2018. http://dx.doi.org/10.1117/12.2314012.

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Ramos Mas, José Luis, Beatriz Aparicio del Moral, David Hernández Expósito, et al. "The quick RTE inversion on FPGA for DKIST." In Software and Cyberinfrastructure for Astronomy V, edited by Juan C. Guzman and Jorge Ibsen. SPIE, 2018. http://dx.doi.org/10.1117/12.2312569.

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Beard, Andrew, Friedrich Wöger, and Andrew Ferayorni. "Real-time speckle image processing with the DKIST." In Software and Cyberinfrastructure for Astronomy VI, edited by Juan C. Guzman and Jorge Ibsen. SPIE, 2020. http://dx.doi.org/10.1117/12.2563233.

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