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Synergizing 21 cm and sub-millimetre surveys during reionization: new empirical insights
Hamsa Padmanabhan
We use the latest results from Atacama Large Millimetre/submillimetre Array (ALMA) surveys targeting the ionized carbon [CII] 158 m and oxygen [OIII] 88 m lines, in combinati…
The deconvolved distribution estimator: enhancing reionisation-era CO line-intensity mapping analyses with a cross-correlation analogue for one-point statistics
Dongwoo T. Chung, Ishika Bangari, Patrick C. Breysse +7
We present the deconvolved distribution estimator (DDE), an extension of the voxel intensity distribution (VID), in the context of future observations proposed as part of the CO Ma…
Unravelling the formation of the first supermassive black holes with the SKA pulsar timing array
Hamsa Padmanabhan, Abraham Loeb
Galaxy mergers at high redshifts trigger the activity of their central supermassive black holes, eventually also leading to their coalescence -- and a potential source of low-frequ…
Signatures of supermassive black hole binaries on maser systems
Hamsa Padmanabhan, Abraham Loeb
We illustrate a novel signature of black hole binaries from their effect on the kinematics of water maser emission in their environments. With the help of simulations, we establish…
Redshift space distortions in Lagrangian space and the linear large scale velocity field of dark matter
Emily Tyhurst, Hamsa Padmanabhan, Ue-Li Pen
Untangling the connection between redshift space coordinates, a velocity measurement, and three dimensional real space coordinates, is a cosmological problem that is often modeled…