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A First Spectroscop...
A First Spectroscopic Measurement of the Magnetic-field Strength for an Active Region of the Solar Corona
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- Si, Ran (författare)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH,Université Libre de Bruxelles (ULB)
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- Brage, Tomas (författare)
- Lund University,Lunds universitet,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Li, Wenxian (författare)
- Malmö University,Lund University,Lunds universitet,Malmö universitet,Institutionen för materialvetenskap och tillämpad matematik (MTM),Lund Univ, Dept Phys, Div Math Phys, SE-22100 Lund, Sweden.;Malmo Univ, Dept Mat Sci & Appl Math, SE-20506 Malmo, Sweden.,Matematisk fysik,Fysiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Mathematical Physics,Department of Physics,Departments at LTH,Faculty of Engineering, LTH
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- Grumer, Jon (författare)
- Uppsala University,Uppsala universitet,Teoretisk astrofysik
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- Li, Meichun (författare)
- Fudan Univ, Inst Modern Phys, Dept Nucl Sci & Technol, Shanghai EBIT Lab,Key Lab Nucl Phys & Ion Beam Ap, Shanghai 200433, Peoples R China.;Huizhou Univ, Sch Elect Informat & Elect Engn, Huizhou 516007, Peoples R China.,Fudan University
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- Hutton, Roger (författare)
- Fudan Univ, Inst Modern Phys, Dept Nucl Sci & Technol, Shanghai EBIT Lab,Key Lab Nucl Phys & Ion Beam Ap, Shanghai 200433, Peoples R China.,Fudan University
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(creator_code:org_t)
- 2020-07-29
- 2020
- Engelska.
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Ingår i: Astrophysical Journal Letters. - : Institute of Physics (IOP). - 2041-8205 .- 2041-8213. ; 898:2
- Relaterad länk:
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https://iopscience.i...
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https://iopscience.i...
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http://dx.doi.org/10...
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https://urn.kb.se/re...
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https://doi.org/10.3...
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https://urn.kb.se/re...
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https://lup.lub.lu.s...
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Abstract
Ämnesord
Stäng
- For all involved in astronomy, the importance of monitoring and determining astrophysical magnetic-field strengths is clear. It is also a well-known fact that the corona magnetic fields play an important part in the origin of solar flares and the variations of space weather. However, after many years of solar corona studies, there is still no direct and continuous way to measure and monitor the solar magnetic-field strength. We present here a scheme that allows such a measurement, based on a careful study of an exotic class of atomic transitions, known as magnetic induced transitions, in Fe9+. In this contribution we present a first application of this methodology and determine a value of the coronal field strength using the spectroscopic data from Hinode.
Ämnesord
- NATURVETENSKAP -- Fysik -- Astronomi, astrofysik och kosmologi (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Astronomy, Astrophysics and Cosmology (hsv//eng)
Nyckelord
- Active Sun
- The Sun
- Solar magnetic fields
- Solar corona
- Spectroscopy
- Atomic spectroscopy
- Astronomical techniques
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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