2 papers
astro-ph.CO2026
Inferences for f(R) Models from Late-Time Megamaser Observational Data
Umang, Abha Dev Habib, Nisha Rani
In this work, we study three widely used models of f(R) gravity, namely HuSawicki, Starobinsky and ArcTanh along with the standard cosmology model (CDM). For this, we employ th…
astro-ph.GA2025
Study of Various Dark Matter Halo Profiles in Milky Way and M31 Galaxies within the Standard Cosmology Framework
Darshan Kumar, Nisha Rani, Deepak Jain +2
In this paper, we study the rotation curves of the Milky Way galaxy (MW) and Andromeda galaxy (M31) by considering their bulge, disk, and halo components. We model the bulge region…