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Browsing by Subject "Galaxies: Jets"

Browsing by Subject "Galaxies: Jets"

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  • Active Galactic Nuclei and Galaxy Formation 
    Chokshi, A (The American Astronomical Society, 1997-12)
    It is proposed that early jet-induced activity around active galactic nuclei (AGNs) is responsible for triggering large-scale star formation in protogalaxies and results in the formation of giant ellipticals and spheroids ...
  • Description of accretion induced outflows from ultra-luminous sources to under-luminous AGNs 
    Ghosh, Shubhrangshu; Mukhopadhyay, Banibrata; Krishan, V; Khan, Manoranjan (Elsevier, 2010-01)
    We study the energetics of the accretion-induced outflow and then plausible jet around black holes/compact objects using a newly developed disc-outflow coupled model. Inter-connecting dynamics of outflow and accretion ...
  • Further evidence for intra-night optical variability of radio-quiet quasars 
    Goyal, Arti; Gopal-Krishna; Sagar, R; Anupama, G. C; Sahu, D. K (Astronomical Society of India, 2007-06)
    Although well established for BL Lac objects and radio-loud quasars, the occurrence of intra-night optical variability (INOV) in radio-quiet quasars is still debated, primarily since only a handful of INOV events with good ...
  • Unusual optical quiescence of the classical BL Lac object PKS 0735+178 on intranight time scale 
    Goyal, A; Gopal-Krishna; Anupama, G. C; Sahu, D. K; Sagar, R; Britzen, S; Karouzos, M; Aller, M. F; Aller, H. D (Wiley Blackwell, 2009-07)
    We present the result of our extensive intranight optical monitoring of the well known low-energy peaked BL Lac (LBL) object PKS 0735+178. This long-term follow-up consists of $R$-band monitoring for a minimum duration of ...
  • Very large baseline array observations of Mrk 6: probing the jet–lobe connection 
    Kharb, P; O'Dea, C. P; Baum, S. A; Hardcastle, M. J; Dicken, D; Croston, J. H; Mingo, B; Noel-Storr, J (Oxford University Press on behalf of the Royal Astronomical Society, 2014-06-01)
    We present the results of high-resolution VLBI (very long baseline interferometry) observations at 1.6 and 4.9 GHz of the radio-loud Seyfert galaxy, Mrk 6. These observations are able to detect a compact radio core in this ...

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