The chandra emission line project

Details The chandra emission line project The chandra emission line project

Nov 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000aipc..547..265b&link_type=abstract

ATOMIC PROCESSES IN PLASMAS: Twelfth Topical Conference. AIP Conference Proceedings, Volume 547, pp. 265-266 (2000).

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Atomic Processes And Interactions, Stellar Atmospheres, Radiative Transfer, Opacity And Line Formation, X-Ray And Gamma-Ray Measurements, X- And Gamma-Ray Telescopes And Instrumentation

Scientific paper

With the launches of the Chandra X-ray Observatory and the X-ray Multi-Mirror Mission-Newton satellite, high resolution X-ray spectroscopy of cosmic sources has begun. Early, deep observations of three stellar coronal sources (Capella, Procyon, and HR 1099) are providing not only invaluable grating calibration data, but also benchmarks for plasma spectral models. These models are needed to interpret data not only from stellar coronae, but also from galaxies, clusters of galaxies, supernova remnants and other astrophysical sources. They have been called into question in recent years as problems with understanding low to moderate resolution X-ray and EUV data have arisen. The Emission Line Project is a collaborative effort sponsored by the Chandra X-ray Center to improve the models, with the first phase concentrating on the comparison of models to the calibration data. Goals of these comparisons are to (1) to determine and verify accurate and robust diagnoistcs and (2) to identify and prioritize issues in fundamental spectroscopy requiring further investigation. We will discuss the progress on this project to date. .

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