Sagittarius A*

Event Horizon Telescope Collaboration (2022). First Sagittarius A* Event Horizon Telescope Results. I.. The Astrophysical Journal Letters 930, L12. Event Horizon Telescope Collaboration. https://doi.org/10.3847/2041-8213/ac6674

@misc{cite:eht-sgra-2022,
  title        = {First Sagittarius A* Event Horizon Telescope Results. I.},
  author       = {Event Horizon Telescope Collaboration},
  organization = {Event Horizon Telescope Collaboration},
  howpublished = {The Astrophysical Journal Letters 930, L12},
  year         = {2022},
  doi          = {10.3847/2041-8213/ac6674},
  url          = {https://doi.org/10.3847/2041-8213/ac6674},
  note         = {First image of the Milky Way's central black hole, Sagittarius A*.}
}

European Southern Observatory (n.d.). The Galactic Centre black hole — ESO. European Southern Observatory. https://www.eso.org/

@misc{cite:eso-sagittarius-a-star,
  title        = {The Galactic Centre black hole — ESO},
  organization = {European Southern Observatory},
  year         = {n.d.},
  url          = {https://www.eso.org/},
  note         = {Stellar-orbit monitoring of Sagittarius A* (2020 Nobel Prize).}
}

The Nobel Prize (2020). The Nobel Prize in Physics 2020. The Nobel Prize. https://www.nobelprize.org/prizes/physics/2020/

@misc{cite:nobel-physics-2020,
  title        = {The Nobel Prize in Physics 2020},
  organization = {The Nobel Prize},
  year         = {2020},
  url          = {https://www.nobelprize.org/prizes/physics/2020/},
  note         = {Penrose; Genzel & Ghez (supermassive compact object at the Galactic centre).}
}