collaborators

5 papers

astro-ph.GA2026

CHANG-ES XL: Magnetic Field Structures in the Disk and Halo of NGC 891

N. Pourjafari, J. M. Stil, R. -J. Dettmar +11

We present new Karl G. Jansky Very Large Array S-band (2-4 GHz) observations of the edge-on spiral galaxy NGC 891, complemented by C-band data, to investigate the structure of its…

astro-ph.IM2026

User Guide to UVIT Data Reduction

Sujith Ranasinghe, Denis Leahy

This document provides a user guide for reducing UVIT data using CCDLAB. While CCDLAB offers a straightforward data reduction work-flow, users may encounter certain challenges that…

astro-ph.HE2025

Multi-frequency radio-continuum study of the LMC SNR N206 (Goat's Eye) and its "zig-zag" PWN

M. Ghavam, Z. J. Smeaton, M. D. Filipovic +17

We present new radio-continuum observations of the Large Magellanic Cloud (LMC) supernova remnant (SNR) N206, which we give the name "Goat's Eye". Goat's Eye contains an interior r…

astro-ph.HE2025

Multipole Analysis and Application to Supernova Remnant X-ray Images

Denis A. Leahy, S. Ranasinghe, J. Hansen +2

We develop a multipole analysis method for images with a circular boundary, then apply it to supernova remnant (SNR) images. The morphology of SNR images is related to several fact…

astro-ph.GA2025

AstroSat UVIT Survey of M31: New Compact Source Catalog

Denis Leahy, Sujith Ranasinghe, Saptadwipa Mitra +1

An ultraviolet survey of M31 has been carried out during 2017-23 with the UVIT instrument onboard the AstroSat Observatory. Here we present far and near ultraviolet (FUV and NUV) o…