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UFS geared up to be a leading astronomical research institution

31 January 2023 | Story Leonie Bolleurs | Photo Leonie Bolleurs

UFS unveiled new spectrograph — Assisting Prof Richard Gray with the installation of the spectrograph and the polarimeter were the Electronics and Instrumentation departments at both the UFS and the ASU. Left from the spectrograph, are from the left, front: Innes Basson, Head of the Department of Electronics and Instrumentation, Prof Pieter Meintjes, Senior Professor in the Department of Physics, Mark Jackson, Department of Electronics and Instrumentation, Hélène Szegedi, Lecturer in the Department of Physics, and Prof Richard Gray. At the right, from the spectrograph, front, are Natali Matchelt, master’s student, Izak van der Westhuizen, Lecturer in the Department of Physics; Barend Crous, Department of Electronics and Instrumentation; middle: Wian Smit, master’s student, Joleen Barnard, master’s student; back: Kobus Krüger, Department of Electronics and Instrumentation, Henri Roodt, Department of Electronics and Instrumentation; and Dr Hendrik van Heerden, Department of Physics.

The University of the Free State (UFS) is gearing up to be a leading academic institution in astronomical research. The institution successfully mounted a spectrograph with a polarimeter to the Boyden Observatory 1,5-m telescope that will provide scientists with visual access to both the Northern and Southern Hemispheres.

The instrument, which can be accessed from Boyden, an astronomical research observatory and science education centre a few kilometres outside Bloemfontein, will allow researchers such as the Astrophysics Group at the UFS to do simultaneous polarimetry and spectroscopy of astronomical sources. This is vital for the research they are working on.

Mounting the spectrograph to the telescope and installing the polarimeter completed the upgrade of the 1,5-m telescope and is a leap forward for the astrophysics group at the UFS. The upgraded telescope with the spectropolarimeter, with a valued cost of R1.5 million, will also provide unique opportunities for collaborative research between the Astrophysics Groups at the UFS and researchers from the Appalachian State University (ASU). This adds greatly to the astrophysics research capacity at the university.

Prof Richard Gray, who 2019 started with the development of the astronomical spectrograph for the UFS Department of Physics, is a world-renowned expert in stellar spectroscopy, from the Department of Physics and Astronomy at ASU in North Carolina in the US. He was mainly responsible for the development and building of the instrument.

Prof Pieter Meintjes, Senior Professor from the UFS Department of Physics, describes the moment that installation was completed as a feeling of enormous relief. “It took many hours of hard work, planning and testing to marry the 90-year 1,5-m telescope with the new sophisticated instrument,” he says.

Adding value to graduate programme

Besides the development and installation of the spectrograph, Prof Gray also designed and built a polarimeter which can be integrated with the spectrograph. When placed inside the spectrograph, this piece of equipment transforms the spectrograph into a spectropolarimeter, giving it additional functionality. “This allows us, for example, to detect and analyse polarised light. It enables us to study the effect of magnetic fields in astronomical sources which introduce various polarisation signatures that can be detected with the polarimeter,” explains Prof Gray.

“I am fascinated by the polarimetric capabilities that we never had before. It is a great step forward,” remarks Prof Meintjes.

“The Department of Electronics and Instrumentation at the UFS played an enormous role in the building of several components of the instrument that Prof Gray designed, as well as getting the 1.5-m telescope research ready so that the completed instrument could be mounted to the telescope”, says Prof Meintjes

He envisages that the research instrument will be ready for research purposes by March this year. Up till then researchers, graduates, and third-year students will have the opportunity to spend time on the spectrograph to familiarise themselves with it.

Prof Richard Gray posing with the polarimeter. With him is Prof Pieter Meintjes. (Photo: Leonie Bolleurs)

“Once installation is finalised, the UFS will be the only academic institution in South Africa with access to a 1.5-m telescope paired with a spectrograph. This gives us an edge in terms of our astrophysics programme and the training we provide our students. It also adds so much value to our graduate programme,” he says.

New instrument provides much flexibility

The spectrograph offers Prof Meintjes many possibilities for his research, and he is eager to put the instrument to use. To study binary systems as well as the jets of Active Galactic Nuclei (AGN), you need a spectrograph, preferably with polarimetric capabilities. It can also be applied to finding elements at the surface levels of stars so that their chemical composition can be determined.

“In the past, we needed to send our researchers to Sutherland and they were never guaranteed clear skies. Having this facility gives us so much flexibility,” he says.

Prof Brian van Soelen from the Department of Physics will be a key user of the spectrograph for his research. He is also playing an important role in terms of postgraduate training and research where the spectrograph is applied.

Photo: Mart-Mari Duvenhage

The polarimeter converts the spectrograph to a spectropolarimeter. This instrument, which is mounted on a telescope (in the case of the UFS, it is mounted on the Boyden 1,5-m telescope) enables the user to detect whether radiation from astronomical objects are polarised and to analyse the level of polarisation of the light. Scientists can then, for instance, study the effect of magnetic fields in astronomical sources, which introduce various polarisation signatures (typically with a characteristic level of polarisation).

News Archive

New multi-purpose residences open in January 2015

2014-06-18

The UFS is currently busy with exciting new accommodation developments on both the Bloemfontein and Qwaqwa Campuses.

This includes a new residence with a hotel and a conference/lecture hall on the western part of the Bloemfontein Campus and the building of another residence on the Qwaqwa Campus.

“We have done what was possible in our quest to maximise the number of beds available in the older residences on the Bloemfontein Campus,” says Quintin Koetaan, Senior Director: Housing and Residence Affairs at the UFS. “This we achieved by converting underutilised and unutilised dining halls and kitchens into bedrooms, which was totally insufficient to address the dire need for beds.”

“The new residence building will have different types of accommodation. I am very excited and look forward to the completion of this project. And this particular residence also brings a very exciting architectural design to the university environment.”

The residence, with multiple blocks for different accommodation, will be wheelchair friendly and numbering and signage will also be in braille. This futuristic-designed building will stand the test of time and will be provide student accommodation until 2030.The R60 million project is funded by the UFS and the Department of Higher Education and Training.

In step with international university accommodation trends – as with Yale's residential college system – this residence will house female first-years who will be mentored by postgraduate students. Postgraduates will be headhunted with the support of the Student Representative Council’s (SRC) postgraduate committee. These postgraduate students will represent all the faculties. Block A and B will accommodate 184 female first-years.

Each floor in this residence will have a study room, two lounges, a kitchen and a laundry for 25 students. Security will be very tight, with three levels of security: entrance to residence, corridor and individual bedroom door. There will also be perimeter camera surveillance and a security officer outside and inside the residence.

Block C will accommodate postgraduate students. The ground floor will house eight single-bed roomed flats. The first floor will have 16 single rooms sharing a bathroom, kitchen and living room, as well as one double room with its own bathroom. The second floor will have 21 single rooms sharing a bathroom, kitchen and living room.

Block D will house 18 hotel-like en suites, with a dining room where breakfast will be served. The target market here will be visiting academics and other university-affiliated visitors. Prices will be competitive to those of local guesthouses and hotels.

Bookings have already opened. Guests will be able to book in and access the hotel desk 24/7. The dining room, accommodating up to 60 people, will not only be open for hotel guests, but also for postgraduate students and UFS staff. Bookings will therefore be essential.

The expansion of bed spaces also took place at the Qwaqwa Campus. In 2012 a 200-bed residence with a state of the art computer room was completed. As a follow-up to this development, another 248-bed residence is now being built. In this particular residence, there will be designated post-graduate accommodation for 48 students.

The project will be handed over at the end of October 2014, with the first intake planned for January 2015.

Another development at the Qwaqwa Campus is the Chancellor’s House Bed & Breakfast. This B&B, with its 5 en suite rooms, is open for business for all UFS staff.

For enquiries or bookings at this new accommodation facility, contact:

- Undergraduate (first-year ladies’ residence):
Monica Naidoo at +27(0)51 401 3455 or NaidooM@ufs.ac.za

- Postgraduate:
Hein Badenhorst at +27(0)51 401 2602 or BadenH@ufs.ac.za

- Hotel:
Ilze Nikolova at +27(0)51 401 9689 or NikolovaI@ufs.ac.za

- Chancellor’s House Bed & Breakfast on Qwaqwa Campus:
Olga Molaudzi at +27(0)58 718 5030 or molaudziOD@qwa.ufs.ac.za

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