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The Gas Accretion Rate of Star-forming Galaxies over the last 4 Gyr
Apurba Bera, Nissim Kanekar, Jayaram N. Chengalur +1
Star-forming galaxies are believed to replenish their atomic gas reservoir, which is consumed in star-formation, through accretion of gas from their circumgalactic mediums (CGMs).…
Where can we find the merger remnant in BH-BH mergers in Globular clusters?
Dipanweeta Bhattacharyya, Jasjeet Singh Bagla
Mergers of black holes and other compact objects produce gravitational waves which carry a part of the energy, momentum, and angular momentum of the system. Due to asymmetry in the…
Atomic hydrogen scaling relations at
Apurba Bera, Nissim Kanekar, Jayaram N. Chengalur +1
The atomic hydrogen (HI) properties of star-forming galaxies in the local Universe are known to correlate with other galaxy properties via the ``HI scaling relations''. The redshif…
Exotic Image Formation in Strong Gravitational Lensing by Clusters of Galaxies -- IV. Elliptical NFW Lenses and Hyperbolic Umbilics
Ashish Kumar Meena, Jasjeet Singh Bagla
A source lying near hyperbolic umbilic (HU) leads to a ring-like image formation, constituting four images with high magnification factors and lying in a small region of the lens p…
Upcoming SKA precursor surveys and sensitivity to HI mass function
Sauraj Bharti, J. S. Bagla
We describe a simulation for the distribution of galaxies focusing on the atomic Hydrogen content. We aim to make predictions for surveys of galaxies using the redshifted 21 cm lin…