Holger Baumgardt – The Conversation

An artist’s impression of a supermassive black hole at the centre of a galaxy. NASA/JPL-Caltech

February 19, 2018

Sizes matters for black hole formation, but there’s something missing in the middle ground

Holger Baumgardt, The University of Queensland and Michael Drinkwater, The University of Queensland

Black holes may come in many sizes, but there’s still a gap in the middle. The hunt is on to solve the mystery of where are the intermediate size black holes.

Gemini North observatory, on Hawaii’s Mauna Kea, shoots a laser beam into the night sky to create an ‘artificial star’, part of a process that helps astronomers remove blurring from any images of galaxies. Gemini Observatory and Association of Universities for Research in Astronomy

September 17, 2014

Laser helps find supermassive black hole in a small galaxy

Holger Baumgardt, The University of Queensland; Lee Spitler, Macquarie University, and Richard McDermid, Macquarie University

A supermassive black hole has been found in an ultracompact dwarf galaxy – the smallest galaxy known to contain such a massive black hole. This finding, published today in Nature, suggests that supermassive…

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