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13 May 2022 | Story Leonie Bolleurs | Photo Leonie Bolleurs
Astrophysics
The Astrophysics Research Group in the UFS Department of Physics recently collaborated with the Institute of Astrophysics of Andalusia (IAA) in Spain and the University College of Dublin (UCD) in Ireland, to install a robotic telescope at the Boyden Observatory. Pictured here, are from the bottom, Teboho Rakotsoana and Simon Rakotsoana from the UFS; Emilio J Garcia from the Institute of Astrophysics of Andalusia; Prof Pieter Meintjes; and Prof Antonio M Carrillo from UCD.

The Astrophysics Research Group in the Department of Physics at the University of the Free State (UFS) is part of an international collaboration with the Institute of Astrophysics of Andalusia (IAA) in Spain and the University College of Dublin (UCD) in Ireland, which focuses on measuring the brightness of transient sources. Knowledge gained from studying these cosmic X-ray sources, which seem to appear in the sky for a short time before disappearing, will lead to a more complete and better understanding of the universe, believes Prof Pieter Meintjes, Professor of Physics and Head of the Astrophysics Programme in the Department of Physics.

To facilitate these observations, a robotic telescope network has been established, with the Boyden Observatory selected as one of the sites for BOOTES 6 (a Burst Observer and Optical Transient Exploring System).

The UFS and the IAA started working on this project more than two years ago. The foundation and pier were built through a local tender, and in January 2020, part of the dome of the structure housing the telescope arrived by ship. Due to the COVID-19 pandemic there were some delays, resulting in the crew from Spain only arriving in South Africa with the telescope and hardware in November 2021, but having to return to their country without completing the installation. They returned in April, and in early May completed assembling the telescope in collaboration with UFS researchers and technicians.

Robotic telescope opportunity to further own research

The main scientific objective of the robotic telescope is to observe and monitor the optic counterparts of gamma-ray bursts as quickly as possible when detected from space or other ground-based observatories.

Prof Meintjes says they will use the telescope to observe these transient sources that goes into an eruptive phase for a short span of time. “Since BOOTES has an enormously fast slew rate, it can start observations of erupting sources within a few seconds, which allows the Astrophysics Research Group to get data very quickly. This will certainly give us an edge over other international astronomy groups that are also involved in the same type of research,” says Prof Meintjes, the local coordinator of the project who is overseeing the whole operation locally. 

He explains the importance of monitoring these packets of enormous energy. “By observing the optical afterglow of the gamma-ray bursts, we can establish its point of origin in space. Furthermore, the shape of the optical afterglow light curve gives insight into the type of mechanism behind the gamma-ray burst, i.e., whether the burst is produced by a collision between two neutron stars or by the explosion of a hypernova event.” 

The knowledge gained with research made possible by the robotic telescope will lead to a more complete and better understanding of the universe. – Prof Peter Meintjes

The UFS Astrophysics Research Group, with its research focus on high-energy astronomy and the physics behind gamma-ray bursts, has a particular interest in this project. As the local custodians of the project and in terms of a memorandum of understanding, the group is guaranteed a certain amount of telescope time for its own in-house observation programmes.

Project expands UFS’ international research footprint

Besides the opportunity for knowledge exchange, this project establishes Bloemfontein as a region where research of international quality is being done and will help to attract talented learners to the UFS. “The successful operation of the robotic telescope may also draw more international groups to bring robotic telescopes to Boyden, thus expanding our international research footprint,” he adds. 

The fact that the Boyden Observatory is in the Southern Hemisphere and has access to the galactic centre region with its host of very interesting astronomical objects and the Magellanic Clouds, makes it a very attractive site for astronomical research,” says Prof Meintjes. 

(Dr Pat van Heerden from the UFS Department of Physics. Photo: Supplied)

“We also have a number of years of experience in robotic telescopes in the sense that we have been hosting the Watcher telescope, operated by the University College Dublin in Ireland, since 2001. Once mounted in middle May 2022, this will then be Boyden’s second robotic telescope.”

News Archive

Competition emphasises value of mother-tongue education
2017-11-02

Description: Public Speaking Competition  Tags: Public Speaking Competition  

At the recent Multilingual Debating Competition were, from the left: Anita Muller,
local facilitator; William Magwa, master of ceremonies; Dr Chrismi-Rinda Loth,
project coordinator in the Unit for Language Facilitation and Empowerment; and
Mabatho Ntsieng, project facilitator in Community Engagement.
Photo: Supplied

The Multilingual Public Speaking Competition has been an annual event in Philippolis since 2013. The competition was established as a result of the Multilingual Information Development Programme (MIDP), a project sponsored by the province of Antwerp in Flanders, Belgium. 

The competition is jointly hosted by the Unit for Language Facilitation and Empowerment (ULFE) at the University of the Free State (UFS) and the Department of Community Engagement, also from the UFS. 

Debating in your home language
Grade 6 to 9 learners from four schools participated in this year’s competition. Bergmanshoogte Intermediate School, Madikgetla Primary School, Williamsville Primary School, and Springfontein Primary School each entered their three best speakers per grade. 

Olerato Tshiloane, a Grade 7 learner from Madikgetla Primary School, was named best speaker overall. 

Everyone debated on ‘Heritage’
The overall theme of this annual event was ‘Heritage’. Thirty six learners debated in their mother tongue on aspects of this theme, such as its definition, the role it plays in their lives, and the importance thereof. According to Dr Chrismi-Rinda Loth from ULFE, learners have to present their speeches in their mother tongues. “This emphasises the value of the mother tongue/home language within a teaching context,” she says.

This year’s competition saw 20 Afrikaans speeches, 13 in Sesotho, and three in isiXhosa. The multilingual adjudication panel was composed of teachers from the participating schools, and the head adjudicator from the Afrikaanse Taal- en Kultuurvereniging (ATKV). The ATKV is a partial sponsor of the competition and also provides the participation certificates. 

Dr Loth says ULFE and Community Engagement are looking forward to continue their collaboration, thus contributing to the empowerment of the community.

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