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The High-Resolution Coronal Imager (Hi-C) |
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| Authors: | Ken Kobayashi Jonathan Cirtain Amy R. Winebarger Kelly Korreck Leon Golub Robert W. Walsh Bart De Pontieu Craig DeForest Alan Title Sergey Kuzin Sabrina Savage Dyana Beabout Brent Beabout William Podgorski David Caldwell Kenneth McCracken Mark Ordway Henry Bergner Richard Gates Sean McKillop Peter Cheimets Simon Platt Nick Mitchell David Windt |
| Affiliation: | 1. Center for Space Plasma and Aeronomic Research, The University of Alabama in Huntsville, 320 Sparkman Dr., Huntsville, AL, 35805, USA 2. NASA Marshall Space Flight Center, ZP 13, Huntsville, AL, 35812, USA 3. Harvard-Smithsonian Center for Astrophysics, 60 Garden St., Cambridge, MA, 02138, USA 4. University of Central Lancashire, Preston, Lancashire, UK, PR1 2HE 5. Lockheed Martin Solar & Astrophysics Lab, 3251 Hanover St., Org. A0215, Bldg. 252, Palo Alto, CA, 94304, USA 6. Southwest Research Institute, 1050 Walnut Street, Suite 300, Boulder, CO, 80302, USA 7. P.N. Lebedev Physical institute of the Russian Academy of Sciences, Leninskii prospekt, 53, 119991, Moscow, Russia 8. Reflective X-ray Optics, LLC, 1361 Amsterdam Ave., Suite 3B, New York, NY, 10027, USA |
| Abstract: | The High-Resolution Coronal Imager (Hi-C) was flown on a NASA sounding rocket on 11 July 2012. The goal of the Hi-C mission was to obtain high-resolution (≈?0.3?–?0.4′′), high-cadence (≈?5 seconds) images of a solar active region to investigate the dynamics of solar coronal structures at small spatial scales. The instrument consists of a normal-incidence telescope with the optics coated with multilayers to reflect a narrow wavelength range around 19.3 nm (including the Fe xii 19.5-nm spectral line) and a 4096×4096 camera with a plate scale of 0.1′′?pixel?1. The target of the Hi-C rocket flight was Active Region 11520. Hi-C obtained 37 full-frame images and 86 partial-frame images during the rocket flight. Analysis of the Hi-C data indicates the corona is structured on scales smaller than currently resolved by existing satellite missions. |
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