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Constraining the host galaxy halos of massive black holes from LISA event rates
Hamsa Padmanabhan, Abraham Loeb
The coalescence of massive black hole binaries (with masses ) leads to gravitational wave emission that is detectable out to high redshifts () wit…
Intensity Mapping as a Probe of Axion Dark Matter
Jurek B. Bauer, David J. E. Marsh, Renée Hložek +2
Intensity mapping (IM) of spectral lines has the potential to revolutionize cosmology by increasing the total number of observed modes by several orders of magnitude compared to th…
Contribution of Flares from Tidal Disruption of Stars to high-redshift AGN
Hamsa Padmanabhan, Abraham Loeb
We explore the contributions of Tidal Disruption Events (TDEs) to the flares in Active Galactic Nuclei (AGN) at high redshifts. Using the latest data available from X-ray and optic…
Packed Ultra-wideband Mapping Array (PUMA): Astro2020 RFI Response
Emanuele Castorina, Simon Foreman, Dionysios Karagiannis +13
The Packed Ultra-wideband Mapping Array (PUMA) is a proposed low-resolution transit interferometric radio telescope operating over the frequency range 200 - 1100MHz. Its rich scien…
New empirical constraints on the cosmological evolution of gas and stars in galaxies
Hamsa Padmanabhan, Abraham Loeb
We combine the latest observationally motivated constraints on stellar properties in dark matter haloes, along with data-driven predictions for the atomic (HI) and molecular (H…