activity
20152026
most citedSecond-Generation Curvelets on the Sphere

31 citations · 62 across the 11 of their papers we have counts for

collaborators

11 papers

astro-ph.CO2026

High-Redshift Signatures from the Cosmic Dawn and the Epoch of Reionization

Rennan Barkana, Oliver Basquette, Ankita Bera +22

In this chapter, we provide a comprehensive overview of the astrophysical and cosmological processes that shape the 21-cm signal during Cosmic Dawn and the Epoch of Reionization. W…

astro-ph.CO2026

Bridging Theory and Observation in the SKA Era: A Cosmological Polarized Radiative Transfer Framework for Point-to-Point Polarized Sky Comparisons

Jennifer Y. H. Chan, Alvina Y. L. On, Paul C. W. Lai +1

Realizing the full scientific potential of the SKA requires not only revolutionary instrumentation but also accurate modeling of light propagation in an evolving, expanding Univers…

astro-ph.GA2026

Small-scale Magnetic Fields in the Milky Way and Nearby Galaxies

Yik Ki Ma, Amit Seta, Aritra Basu +13

Magnetic fields in galaxies span decades in physical scale, from the coherent magnetic fields on galactic scales (> kpc) to the random magnetic fields from 100 pc to the resistive…

astro-ph.CO2025

The THESAN project: Lyman-alpha intensity mapping of cosmic reionization

Mouza Almualla, Aaron Smith, Rahul Kannan +6

Line Intensity Mapping (LIM) has garnered attention as a powerful cosmological probe, with next-generation instruments such as SPHEREx preparing to map the evolution of large-scale…

astro-ph.CO2024★ 1 cited

Radiative transfer of 21-cm line through ionised cavities in an expanding universe

Kinwah Wu, Qin Han, Jennifer Y. H. Chan

The optical depth parameterisation is typically used to study the 21-cm signals associated with the properties of the neutral hydrogen (HI) gas and the ionisation morphology during…

astro-ph.CO2024

A covariant formulation for cosmological radiative transfer of the 21-cm line

Jennifer Y. H. Chan, Qin Han, Kinwah Wu +1

The 21-cm hyperfine line of neutral hydrogen is a useful tool to probe the conditions of the Universe during the Dark Ages, Cosmic Dawn, and the Epoch of Reionisation. In most of t…

astro-ph.GA2023★ 2 cited

158 emission as an indicator of galaxy star formation rate

Lichen Liang, Robert Feldmann, Norman Murray +12

Observations of local star-forming galaxies (SFGs) show a tight correlation between their singly ionized carbon line luminosity () and star formation rate (SFR),…

astro-ph.HE2019★ 6 cited

Polarised radiative transfer, rotation measure fluctuations and large-scale magnetic fields

Alvina Y. L. On, Jennifer Y. H. Chan, Kinwah Wu +2

Faraday rotation measure at radio wavelengths is commonly used to diagnose large-scale magnetic fields. It is argued that the length-scales on which magnetic fields vary in large-s…

astro-ph.CO2019★ 13 cited

Covariant polarized radiative transfer on cosmological scales for investigating large-scale magnetic field structures

Jennifer Y. H. Chan, Kinwah Wu, Alvina Y. L. On +3

Polarization of radiation is a powerful tool to study cosmic magnetism and analysis of polarization can be used as a diagnostic tool for large-scale structures. In this paper, we p…

cs.CV2016★ 9 cited

Wavelet-Based Segmentation on the Sphere

Xiaohao Cai, Christopher G. R. Wallis, Jennifer Y. H. Chan +1

Segmentation, a useful/powerful technique in pattern recognition, is the process of identifying object outlines within images. There are a number of efficient algorithms for segmen…

cs.IT2015★ 31 cited

Second-Generation Curvelets on the Sphere

Jennifer Y. H. Chan, Boris Leistedt, Thomas D. Kitching +1

Curvelets are efficient to represent highly anisotropic signal content, such as a local linear and curvilinear structure. First-generation curvelets on the sphere, however, suffere…