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Browsing by Author "Lal, D. V"

Browsing by Author "Lal, D. V"

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  • From nearby low luminosity AGN to High Redshift Radio Galaxies: science interests with square kilometre array 
    Kharb, P; Lal, D. V; Singh, V; Bagchi, J; Ishwara-Chandra, C. H; Hota, A; Konar, C; Wadadekar, Yogesh; Shastri, P; Mousumi Das; Baliyan, K; Nath, B. B; M. Pandey-Pommier (Springer, 2016-12)
    We present detailed science cases that a large fraction of the Indian AGN community is interested in pursuing with the upcoming Square Kilometre Array (SKA). These interests range from understanding low luminosity active ...
  • Jet in seyfert galaxies 
    Shastri, P; Lal, D. V; Gabuzda, D. C (Astronomical Society of the Pacific, 2003)
    We will present the main results from a study of the pc-scale radio structure of our matched sample of Seyfert galaxies, specifically selected to test the Unified Scheme. We chose purportedly face-on (Seyfert 1) and edge-on ...
  • Milliarcsec-scale radio structure of a matched sample of Seyfert 1 and Seyfert 2 galaxies 
    Lal, D. V; Shastri, P; Gabuzda, D. C (EDP Sciences, 2004-10)
    We have obtained mas-scale resolution very long baseline interferometry (VLBI) images of a sample of Seyfert 1 and Seyfert 2 galaxies at 5 GHz (wavelength, lamda = 6 cm). The Seyferts of the two types were chosen to be ...
  • Parsec-scale radio morphology in Seyfert galaxies 
    Lal, D. V; Shastri, P; Gabuzda, D. C (The Astronomical Society of the Pacific, 2001)
  • Seyfert Galaxies on milliarcsecond scales 
    Lal, D. V; Shastri, P; Gabuzda, D. C (Taylor and Francis, 2001-08)
    We present our results from global VLBI observations of a sample of Seyfert galaxies at 5 GHz. Our goal was to test predictions of the Unified Scheme for Seyfert galaxies, in which observed differences between Seyferts of ...
  • Seyfert galaxies: Nuclear radio structure and unification 
    Lal, D. V (Astronomical Society of India, 2002-09)
    We have observed a sample of Seyfert (Sy) galaxies with global Very Long Baseline Interferometry (VLBI) to test predictions of the unification scheme which hypothesizes that Sys of Type 1 and of Type 2 constitute a single ...
  • Seyfert Galaxies: Nuclear Radio Structure and Unification 
    Lal, D. V; Shastri, P; Gabuzda, D. C (IOP Publishing, 2011-04-10)
    A radio study of a carefully selected sample of 20 Seyfert galaxies that are matched in orientation-independent parameters, which are measures of intrinsic active galactic nucleus power and host galaxy properties, is ...
  • Seyferts at milli-arcsec scales 
    Lal, D. V; Shastri, P; Gabuzda, D (Astronomical Society of India, 2000)
    We have observed a sample of Seyfert galaxies using Global Very Long Baseline Interferometry at 5 GHz. Our goal is to investigate the systematics of their nuclear radio morphology on milli-arcsecond scales. We have chosen ...

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