High-resolution Solar X-Ray Spectroscopy from Archived Solar Maximum Mission Data
Abstract
Abstract Archived high-resolution X-ray spectra in the 13–22 Å range from the Flat Crystal Spectrometer (FCS), an instrument on the Solar Maximum Mission operating in the 1980s, are analyzed with reference to nonflaring active regions, and to the Fe xvii line emission in light of laboratory and atomic data for nearby Fe xvi satellites. The satellites allow temperature to be found for these relatively low-temperature spectra, at which more conventional temperature-dependent line ratios are unavailable. By this means, the spectra can be arranged by temperature, showing that the Fe xvii lines are evident at temperatures of
Fields of Study & Subjects
Solar and Space Plasma Dynamics
Stellar
planetary
and galactic studies
Magnetic confinement fusion research
Publication details
- Journal / source
- The Astrophysical Journal
- Volume
- 998
- Issue
- 2
- Pages
- 202–202
- Publication date
- 10 February 2026
- Language
- EN