ARIES-Institutional Digital Repository

Browsing by Subject "galaxies: nuclei"

Browsing by Subject "galaxies: nuclei"

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  • LOFAR discovery of rare large FR I jets in the low-luminosity radio galaxy NGC 5322 
    Omar, Amitesh (Monthly Notices of the Royal Astronomical Society Letters, 2022-11)
    The discovery of faint Fanaroff–Riley type I (FR I) radio jets in the elliptical galaxy NGC 5322 is reported here using the 144-MHz image from Data Release 2 of the Low-Frequency Array (LOFAR) Two-metre Sky Survey (LoTSS). ...
  • Persistence of the blazar state in flat-spectrum radio quasars 
    Chand, Krishan; Krishna, Gopal (Monthly Notices of the Royal Astronomical Society Letters, 2022-10)
    Flat-spectrum radio quasars (FSRQs), whose brightness is dominated by a relativistically beamed core, are frequently found in the ‘blazar state’ commonly inferred from a high optical polarization (> 3 per cent) and/or a ...
  • The transience and persistence of high optical polarisation state in beamed radio quasars 
    Chand, Krishan; Krishna, Gopal; Omar, Amitesh; Chand, Hum; Bisht, P. S. (Publications of the Astronomical Society of Australia, 2023-02)
    We examine the long-term stability (on decade-like timescales) of optical ‘high polarisation’ (HP) state with popt > 3%, which commonly occurs in flat-spectrum (i.e., beamed) radio quasars (FSRQs) and is a prominent marker ...

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