期刊
ASTROPHYSICAL JOURNAL LETTERS
卷 723, 期 2, 页码 L127-L133出版社
IOP PUBLISHING LTD
DOI: 10.1088/2041-8205/723/2/L127
关键词
Sun: chromosphere; Sun: faculae, plages; Sun: photosphere; techniques: photometric; techniques: polarimetric; techniques: spectroscopic
资金
- Bundesministerium fur Wirtschaft und Technologie through Deutsches Zentrum fur Luft- und Raumfahrt e.V. (DLR) [50 OU 0401]
- Max Planck Society (MPG)
- Spanish MICINN [ESP2006-13030-C06, AYA2009-14105-C06]
- NASA [NNX08AH38G]
- Korean Ministry of Education, Science, Technology [R31-10016]
- Ministry of Education, Science & Technology (MoST), Republic of Korea [R31-2008-000-10016-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The Sunrise balloon-borne solar observatory consists of a 1 m aperture Gregory telescope, a UV filter imager, an imaging vector polarimeter, an image stabilization system, and further infrastructure. The first science flight of Sunrise yielded high-quality data that revealed the structure, dynamics, and evolution of solar convection, oscillations, and magnetic fields at a resolution of around 100 km in the quiet Sun. After a brief description of instruments and data, the first qualitative results are presented. In contrast to earlier observations, we clearly see granulation at 214 nm. Images in Ca II H display narrow, short-lived dark intergranular lanes between the bright edges of granules. The very small-scale, mixed-polarity internetwork fields are found to be highly dynamic. A significant increase in detectable magnetic flux is found after phase-diversity-related reconstruction of polarization maps, indicating that the polarities are mixed right down to the spatial resolution limit and probably beyond.
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