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On the Origin of Ultraviolet Emission and the Accretion Model of Low-luminosity AGNs
accretion accretion disks — black hole physics — galaxies active — quasars general — Ultraviolet general
2010/11/12
Low-luminosity active galactic nuclei (LLAGNs) are generally believed to be powered by an inner radiatively inefficient, advection-dominated accretion flow (ADAF), an outer truncated thin disk, and a ...
Dwarf archaeology: Probing the first enrichment events with low-luminosity galaxies
Galaxy Astrophysics (astro-ph.GA) Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2010/12/27
We present a novel way to utilize metal-poor stars in the local, ultra-faint dwarf galaxies (UFDs) to learn about the formation process of the first galaxies. Since UFDs have much simpler star formati...
Ch cygni and other symbiotic stars with low luminosity Hot components
Ch cygni low luminosity Hot components symbiotic stars
2009/6/17
Ch cygni and other symbiotic stars with low luminosity Hot components。