possibility for coronal magnetic field measurements by euv and x-ray spectroscopy
DESCRIPTION
Possibility for Coronal Magnetic Field Measurements by EUV and X-ray Spectroscopy. Peter Beiersdorfer. Sophie Canton (Charge exchange) Matt Carpenter (Algorithms,CX) Jaan Lepson (EUV spectra) Henry Silva (SMM/Yohkoh data). Your LDRD Representative Graphic Here - PowerPoint PPT PresentationTRANSCRIPT
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Possibility for Coronal Magnetic Field Measurements by EUV and X-ray Spectroscopy
Possibility for Coronal Magnetic Field Measurements by EUV and X-ray Spectroscopy
Sophie Canton (Charge exchange)Matt Carpenter (Algorithms,CX)Jaan Lepson (EUV spectra)Henry Silva (SMM/Yohkoh data)
Sophie Canton (Charge exchange)Matt Carpenter (Algorithms,CX)Jaan Lepson (EUV spectra)Henry Silva (SMM/Yohkoh data)
Peter BeiersdorferPeter Beiersdorfer
Solar LunchSSL, 5/19/06
Your LDRDRepresentativeGraphic Here(Fit in thisrectangle, nocaption)
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The extreme ultraviolet is extremely rich in lines
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The solar emission in the 25 – 170Å region has similar problems and more
There are few observations in this spectral band
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The data from the 1970's represents the reference data that are still being used in emission models
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We have been making laboratory measurements to build a catalogue of the lines in the EUV
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Discovery of an X-ray line diagnostic of the magnetic field
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Explanation of the magnetic-field sensitivity
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Predicted magnetic-field variation of B/3F in variousastrophysical ions
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Resolving power to see these lines
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Detection of line B in Fe XVII
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High-resolution detection of line B
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B/3F depends on magnetic field and electron density
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Can the B line be observed in the Sun?