Frequency-Resolved Template Timing for Precision Pulsar Timing Array Science

Project Description:

Millisecond pulsars are among the most precise natural clocks in the Universe and are used by Pulsar Timing Arrays (PTAs) to search for ultra-low-frequency gravitational waves. A major challenge in modern wideband pulsar timing is that pulsar pulse profiles evolve with observing frequency, which can introduce systematic errors in pulse arrival-time measurements. This project will investigate a physically motivated approach using frequency-resolved templates and optimal frequency subbanding to directly model pulse profile evolution instead of relying on empirical frequency-dependent corrections. Using realistic simulated pulsar datasets, the student will analyse frequency-resolved pulse profiles, generate subbanded templates, and study how the choice of frequency subbands affects pulsar timing precision. The project will involve pulsar timing analysis, signal processing, statistical analysis, and scientific programming using modern radio astronomy software tools such as PSRCHIVE, TEMPO2, and Python.

Research Area:

Astrophysics

Project Level:

Honours

This Project Is Offered At The Following Node(s):

(NWU)

Special Requirements:

Basic programming experience in Python and familiarity with Linux-based scientific computing environments are desirable but not mandatory. An interest in radio astronomy, pulsars, signal processing, and computational astrophysics is expected. The project will involve the use of standard pulsar timing software packages such as PSRCHIVE and TEMPO2, together with Python-based analysis tools. Training and guidance on the required computational methods and scientific software will be provided during the course of the project.