The bright flashes of light found between galaxies are capturing attention in the world of astronomy. Contrary to the calm perception of the starry sky, it is a universe full of explosions and clashes. One particularly rare event known as Luminous Fast Blue Optical Transents (LFBOT) has been observed. These events quickly reach their peak brightness and fade away rapidly, unlike supernova stars that can fade over several weeks or months.
In 2018, the first LFBOT was discovered, and only a few such phenomena have been documented. However, in a surprising turn of events in 2023, the Hubble telescope detected an LFBOT in an unexpected location – far between two galaxies.
All previous LFBOT occurrences were found within galaxies where stars are typically born. However, the latest discovery, nicknamed Finch, was observed between two neighboring galaxies. This has sparked numerous questions among astronomers.
Ashley Chrimes, the lead author of the article dedicated to this discovery, believes that each new LFBOT brings forth a multitude of issues for scientists to grapple with. Some theories suggest that LFBOTs may be a result of stars being absorbed into intermediate-mass black holes. Another possibility being considered is the collision of two neutron stars outside of their galaxy.
The scientist emphasizes the need for further research to uncover the causes of this mysterious phenomenon. In the near future, new telescopes like the Tera C. Rubin ground observatory may contribute to solving this enigma.
The Hubble Telescope is a collaborative project between NASA and ESA. The study of LFBOTs involves an international team of astronomers that includes specialists from various universities and research institutes.