Line ratios for helium-like ions: Applications to collision-dominated plasmas
A&A, 376 3 (2001) 1113-1122
Published online: 2001-09-15
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https://doi.org/10.1051/0004-6361:20020445
An Overview of the Performance and Scientific Results from theChandra X‐Ray Observatory
M. C. Weisskopf, B. Brinkman, C. Canizares, et al.Publications of the Astronomical Society of the Pacific 114 (791) 1 (2002)
https://doi.org/10.1086/338108
X-Ray Evidence for Flare Density Variations and Continual Chromospheric Evaporation in Proxima Centauri
Manuel Güdel, Marc Audard, Stephen L. Skinner and Matthias I. HorvathThe Astrophysical Journal 580 (1) L73 (2002)
https://doi.org/10.1086/345404