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Browsing by Author "Sarkar, A"

Browsing by Author "Sarkar, A"

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  • How late can the dark matter form in our universe? 
    Sarkar, A; Das, Subinoy; Sethi, Shiv K (IOP Publishing, 2015-03)
    We put constraints on the epoch of dark matter formation for a class of non-WIMP (Weakly Interacting Massive Particle) dark matter candidates. These models allow a fraction of Cold Dark Matter (CDM) to be formed between ...
  • Observations of Associated H I Absorption in Radio Galaxies and Quasars using GMRT 
    Swarup, G; Sarkar, A (Astronomical Society of India, 2002-09)
    We describe observations and preliminary results of absorption by cold hydrogen gas (H I) associated with six radio galaxies and quasars (Table 1) which may provide valuable information about their host galaxies and ...

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