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Hello and welcome! My name is Anton and in this video, we will talk about a brief history of our discovery of Sgr A* black hole from the early days of astronomy to the image we now have
Links:
https://www.eso.org/public/blog/our-quest-for-sagittarius-a/
https://en.wikipedia.org/wiki/Navy_Precision_Optical_Interferometer
https://en.wikipedia.org/wiki/Astronomical_interferometer
https://en.wikipedia.org/wiki/Interferometry#Michelson-Morley
https://en.wikipedia.org/wiki/Sagittarius_A*
https://adsabs.harvard.edu/full/1982ApJ...262..110B
https://iopscience.iop.org/article/10.1088/0034-4885/57/5/001
#blackhole #sgra* #astronomy
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Images/Videos:
EHT Collaboration CC BY 4.0 https://en.wikipedia.org/wiki/Sagittarius_A*#/media/File:EHT_Saggitarius_A_black_hole.tif
Saber1983 CC BY SA 3.0 https://en.wikipedia.org/wiki/Karl_Guthe_Jansky#/media/File:Karl_Jansky.jpg
http://nrao/AUI%20CC%20BY%203.0%20https://en.wikipedia.org/wiki/Karl_Guthe_Jansky#/media/File:JanskyatAntenna_hi.tif
http://nrao/AUI/NSF%20and%20N.E.%20Kassim,%20Naval%20Research%20Laboratory%20CC%20BY%203.0%20https://en.wikipedia.org/wiki/Sagittarius_A#/media/File:Labeled_Map_of_the_Milky_Way_Center.tif
Thibaut Paumard CC BY-SA 3.0 https://en.wikipedia.org/wiki/Sagittarius_A#/media/File:SgrAWest_BEAR.jpg
http://nasa/CXC/INAF/F.%20Coti%20Zelati%20et%20al.%20https://en.wikipedia.org/wiki/Sagittarius_A*#/media/File:Magnetar-SGR1745-2900-20150515.jpg
Hajor CC BY-SA 3.0 https://en.wikipedia.org/wiki/Interferometry#/media/File:USA.NM.VeryLargeArray.02.jpg
ALMA (ESO/NAOJ/NRAO)/ J. R. Goicoechea (Instituto de Física Fundamental, CSIC, Spain) CC BY 4.0 https://en.wikipedia.org/wiki/Sagittarius_A*#/media/File:Cloudlets_swarm_around_our_local_supermassive_black_hole.tif
Cmglee CC BY-SA 3.0 https://en.wikipedia.org/wiki/Sagittarius_A*#/media/File:Galactic_centre_orbits.svg
MPE CC BY SA 3.0 https://en.wikipedia.org/wiki/Reinhard_Genzel#/media/File:Reinhard_Genzel.jpg
http://eso/MPE/S.%20Gillessen%20et%20al%20CC%20BY%204.0%20https://en.wikipedia.org/wiki/S2_(star)#/media/File:Eso1622b.jpg
Andrea Ghez https://en.wikipedia.org/wiki/S2_(star)#/media/File:SO-102_Orbital_Plot.jpg
http://eso/MPE%20CC%20BY%204.0%20https://en.wikipedia.org/wiki/Sagittarius_A*#/media/File:SgrA2018.gif
ESO CC BY 4.0 https://en.wikipedia.org/wiki/Sagittarius_A*#/media/File:SgrA2021.gif
https://en.wikipedia.org/wiki/File:Simulation_of_gas_cloud_being_ripped_apart_by_the_black_hole_at_the_centre_of_the_Milky_Way.ogv
NASA https://en.wikipedia.org/wiki/Sagittarius_A*#/media/File:Pointing_X-ray_Eyes_at_our_Resident_Supermassive_Black_Hole.jpg
Cecil et al https://iopscience.iop.org/article/10.3847/1538-4357/ac224f
X-ray (Chandra), Radio (EHT), & IR (Hubble)
ehtelescope https://www.youtube.com/watch?v=hMsNd1W_lmE
Licenses used:
https://creativecommons.org/licenses/by/4.0/
https://creativecommons.org/licenses/by-sa/4.0/
https://creativecommons.org/licenses/by/3.0/
https://creativecommons.org/licenses/by-sa/3.0/
https://creativecommons.org/licenses/by/2.5/
https://creativecommons.org/licenses/by-sa/2.5/
https://creativecommons.org/licenses/by/2.0/
https://creativecommons.org/licenses/by-sa/2.0/