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Abundance analysis in the near IR: stellar clusters and galaxies

Abundance analysis in the near IR: stellar clusters and galaxies,10.1023/A:1012701726947,Astrophysics and Space Science,Livia Origlia

Abundance analysis in the near IR: stellar clusters and galaxies  
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Massive red supergiants and low mass giants with typical temperatures in the range3000–5000 K can dominate the infrared (IR) luminosity of integrated stellar systems. The near IR spectra of these stars show many absorption lines due to neutral metals and molecules like CO and OH.A reasonable number of these lines can be be measured also at relatively low resolution, making them powerful abundance tracers not only in bright stars but also in more distant stellar clusters and galaxies. A few applications of such an IR diagnostics, using the CO and OH molecular transitions around 1.62 μm, to the study of the chemical properties of stellar clusters and galaxies will be discussed.
Journal: Astrophysics and Space Science - ASTROPHYS SPACE SCI , vol. 277, pp. 177-180, 2001
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