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Scholarship details

2023 RTP round - Determining the Accretion/Jet Connection in Super-massive Black Holes

Status: Closed

Applications open: 8/07/2022
Applications close: 18/08/2022

View printable version [.pdf]

About this scholarship

There is now compelling evidence that nearly all galaxies host a super-massive black hole at their centres. Furthermore, these black holes are believed to play a key role in the evolution of their host galaxy. We know that they evolve via accretion and mergers (along with their host galaxy). Their accretion history can be constrained by current X-ray and mid-infrared surveys, but to obtain a full picture of accretion we need to use radio surveys to trace the relativistic jets produced at low accretion rates. However, astronomers have a very incomplete view of how the radio jets are related to the accretion onto the black hole, which must ultimately power it. While the physics of super-massive black holes are similar to Galactic black holes, they are millions of times larger and evolve on much slower timescales than their Galactic cousins. So to study these black hole processes in galaxies, one must look for patterns and trends in large populations.

In this project, you will use ultra-deep radio observations from the Murchison Widefield Array and the Australian Square Kilometre Array Pathfinder to produce large samples of distant radio sources selected at low-frequency. These data are already in hand and require processing. These radio images cover the GAMA survey fields, which have a wealth of multi-wavelength across X-ray to radio wavelengths. In particular, the 50,000 spectroscopic redshifts will allow us to conduct a census of radio sources as a function of radio luminosity and jet power. 

By combining these observations with other tracers of black hole accretion, you will develop models that connect the accretion onto black holes with the production of powerful radio jets. This work will need to take into account the distribution of black hole masses and spins as well as the different modes of accretion.

A major output of this project will be the deepest images and catalogues yet from the Murchison Widefield Array which will enable a host of scientific investigations. An additional output of this project will be the establishment of a suite of intrinsic X-ray to radio spectra for a vast array of different classes of galaxies including those with active black holes and those with high star formation rates. Such a rich data set will provide a big legacy to the community. 

The successful candidate will join an experienced international collaboration who have been working on radio surveys for many years. In particular, you will work closely with colleagues at UWA and CSIRO. There will be opportunities to present your research at national and international conferences. Additionally there is potential scope to spend time at CSIRO in Perth as an industry intern.

An Internship opportunity may also be available with this project.

  • Future Students
  • Faculty of Science & Engineering
    • Science courses
    • Engineering courses
    • Western Australian School of Mines (WASM)
  • Higher Degree by Research
  • Australian Citizen
  • Australian Permanent Resident
  • New Zealand Citizen
  • Permanent Humanitarian Visa
  • Merit Based

The annual scholarship package (stipend and tuition fees) is approx. $60,000 - $70,000 p.a.

 

Successful HDR applicants for admission will receive a 100% fee offset for up to 4 years, stipend scholarships, valued at approx. $28,800 p.a. for up to a maximum of 3.5 years, are determined via a competitive selection process. Applicants will be notified of the scholarship outcome in November 2022. 

 

For detailed information, visit: Research Training Program (RTP) Scholarships | Curtin University, Perth, Australia.

Scholarship Details

1

All applicable HDR courses

  • A masters or honours degree in a relevant subject (physics, astronomy, engineering, computer science). 
  • A background in astronomy with some research experience is preferred, but not essential. 
  • Some computing skills and willingness to learn new software, such as Python.  
  • Experience with Linux/Unix and Python is preferred, but not essential.

Application process

If this project excites you, and your research skills and experience are a good fit for this specific project, you should contact the Project Lead (listed below in the enquires section) via the Expression of Interest (EOI) form.

Enrolment Requirements

Eligible to enrol in a Higher Degree by Research Course at Curtin University by March 2023

Enquiries

To enquire about this project opportunity that includes a scholarship application, contact the Project lead, Nick Seymour via the EOI form above.

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