PPT-A Critical Role for Viscosity in the Radio Mode AGN Feedbac

Paul Nulsen HarvardSmithsonian Center for Astrophysics 2014 July 9 Xray View of Galaxy Ecosystems Fuel for Radio Mode AGN Feedback Cycle 2014 July 9 Xray View of Galaxy Ecosystems NGC 5813 Randall et al 2011. Fred Davies. ASTR 278. 2/23/12. Contents. Eddington Ratio. What does it mean?. How do we measure it?. Contents. Eddington Ratio. What does it mean?. How do we measure it?. Two regimes of measurement. . . . . MIR imaging & . s. pectroscopy. ISM dust model & PAH. . vectorized. Monte Carlo model . SED of a clumpy AGN torus. Frank . Heymann. (PhD), Martin Haas, . Endrik. . Kr. Smolcic. . ea. ). Compilation based on different star formation estimators (UV, IR, radio, Hα..). Large scatter: Dust obscuration is major problem. Hopkins & . Beacom. (2006) compilation. redshift. with VLBI at . Parkes. Stas Shabala. University of Tasmania. Why study AGN. . AGN physics. Brightest objects in the Universe, yet we don’t know:. Composition. Accretion / outflow connection. Details of interaction with environment. Tiziana Venturi. . tventuri@ira.inaf.it. Active Galactic Nuclei 9 Ferrara, 27.05.2010. Radio VLBI . as. the . most. . direct. way . to. Andrei LobanovMPIfR, Bonn AGN/RG ScienceAGN/RG Science AGN/RG drivers for LOFAR and SKA: astrophysical masers, nuclear regions of AGN, physics of relativistic and mildly relativistic outflows, kinetic Surface accuracy not so important, so easy to make large one.. angular resolution . . . wavelength. mirror diameter. D larger than optical case, but wavelength . much. larger (cm's to m's), e.g. for wavelength = 1 cm, diameter = 100 m, resolution = 20".. Viscosity is a quantitative measure of a fluid’s resistance to flow.. Dynamic (or Absolute) Viscosity. :. The dynamic viscosity(. η. ) of a fluid is a measure of the resistance it offers to relative shearing motion.. By: Jonathan Kayne, KM4CFT. So, what is FT8?. FT8 is a weak signal mode that is a variant of JT-65, with the added benefit of having a significantly shorter transmission time.. Developed by Joe Taylor, K1JT and Steven Franke, K9AN. Yuya. . Sasai. Helsinki Institute of Physics and Department of Physics University of Helsinki. in collaboration with A. . Zahabi. . Based on arXiv:1010.5380. Accepted by PRD. Short talk. at . RIKEN. Want to know the advantages and disadvantages of critical illness cover? Explore here or connect with Mountview FS for insurance advice. Warning!. You will not learn anything of use from this presentation!!!. Was Yuri Gagarin a radio amateur?. Lost Cosmonauts Conspiracy Theory. Judica-Cordiglia. Brothers. Amateur Radio Royalty. King Hussein of Jordan (JY1. Prof Chris Done. University . of Durham & ISAS/JAXA. AGN feedback. Magorrian-Gebhardt. relation gives BH mass!! Big black holes live in host galaxies with big bulges! Either measured by bulge luminosity or bulge mass (stellar velocity dispersion) or . Purdue University. (currently on sabbatical at Univ. College Cork, Ireland). Matthew Lister. VLBA. Fermi. UMRAO. OVRO. Chandra. MOJAVE Collaborators. M. Lister (P.I.), N. Cooper, B. Hogan, S. . Kuchibhotla.