Tag Archives: AGN

ALMA reveals a chemically evolved submillimeter galaxy at z=4.76

T. Nagao (1,2), R. Maiolino (3), C. De Breuck (4), P. Caselli (5), B. Hatsukade (2), and K. Saigo (6) ((1) The Hakubi Center for Advanced Research, Kyoto University, Kyoto 606-8302, Japan; (2) Department of Astronomy, Kyoto University, Kitashirakawa-Oiwake-cho, Sakyo-ku, … Continue reading

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Spectroscopic evidence of charge exchange X-ray emission from galaxies

Q. DanielWang (1) & Jiren Liu (2) ((1) University of Massachusetts, Amherst, USA; (2) National Astronomical Observatories, Chinese Academy of Sciences, Beijing, China) What are the origins of the soft X-ray line emission from non-AGN galaxies? XMM-Newton RGS spectra of … Continue reading

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Dielectronic recombination and stability of warm gas in AGN

Susmita┬áChakravorty (Astronomy Department, Harvard University, Cambridge, MA, USA) High resolution ultraviolet and X-ray spectra show that material outflow occur from the close neighbourhoods of super-massive black holes in active galactic nuclei (AGN). It is important to understand the structure and … Continue reading

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