Hey! I'm Callum

Astronomy PhD Student at the Australian National University

HI radio astronomer interested in turbulence and cold gas formation in the interstellar medium

Canberra, Australia

CV/Resume

Picture of Callum Lynn infront of radio dish

Work

Education

March 2024 - Present

Co-Chair of GASKAP-HI Turbulence Working Group

GASKAP-HI Survey

September 2020 - Present

GASKAP-HI Survey Builder

GASKAP-HI Survey

Experience with CASA Imaging Pipeline on high performance computing clusters.
Converting Australian Square Kilometre Array Pathfinder (ASKAP) survey interferometry 21 cm spectral line data of neutral hydrogen structures of the Milky Way and Magellanic Clouds into usable PPV cubes.

Research

I am a key member of the Galactic ASKAP-HI Survey (GASKAP-HI), conducted with the precursor telescope of the upcoming Square Kilometre Array (SKA), the Australian Square Kilometre Array Pathfinder (ASKAP).

Below are some of my main research interests.

Turbulence

Galactic Winds

The Milky Way & Local Group

Interstellar Medium

Cold Gas Formation

Recent Publications

A full list of my publications can be found on ADS

2025

2024

2023

Considerations with stacking absorption spectra: cold HI gas in cirrus region of the Milky Way

Callum Lynn, Antoine Marchal, N.M McClure-Griffiths, et al. [+16 authors]

Monthly Notices of the Royal Astronomical Society (MNRAS), 536, 4

Processing of GASKAP-HI pilot survey data using a commercial supercomputer

I. P. Kemp et al. (including C. Lynn)

Astronomy and Computing (A&C), 51

Multi-phase HI clouds in the Small Magellanic Cloud halo

Buckland-Willis, F. et al. (including C. Lynn)

Astronomy & Astrophysics (A&A), 693

Current Technologies

I'm proficient in a number of modern programming languages that enable both my research and hobbies.

Python

General Programming

C++

General Programming

Bash

Terminal Language

PyTorch

Machine Learning

HTML

Web Development

TypeScript

Web Development

JavaScript

Web Development

Git

Version Control

Image Credits

Milky Way & Local Group: Shirak Hospian (Instagram: shospian)
Interstellar Medium: ESA Herschel Image
Galactic Winds: M82 (NASA, ESA, Hubble Heritage Team)
Turbulence: 20.2 Interstellar Gas (PressBooks - University of Central Florida)
Cold Gas Formation: LBN 1495 in Taurus Molecular Cloud - S. Ziegenbalg (baader-planetarium)