The High-Resolution Coronal Imager (Hi-C)

Kobayashi, Ken, Cirtain, Jonathan, Winebarger, Amy R, Korreck, Kelly, Golub, Leon, Walsh, Robert William orcid iconORCID: 0000-0002-1025-9863, De Pontieu, Bart, DeForest, Craig, Title, Alan et al (2014) The High-Resolution Coronal Imager (Hi-C). Solar Physics . ISSN 0038-0938

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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. © 2014 Springer Science+Business Media Dordrecht (outside the USA).

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