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Astrobites at AAS 238: Day 2


Welcome to the virtual summer American Astronomical Society (AAS) meeting! Astrobites is attending the conference as usual, and we will report highlights from each day here. If you’d like to see more timely updates during the day, we encourage you to search the #aas238 hashtag on twitter. 
We’ll be posting once a day during the meeting, so be sure the visit the site often to catch all the news!
 
This composite image of NGC4535 shows a Hubble image of the galaxy, overlaid with new ALMA observations of the galaxy’s molecular clouds. [ALMA (ESO/NAOJ/NRAO)/PHANGS, S. Dagnello (NRAO)] ....

United States , Sabina Sagynbayeva , Pratik Gandhi , Luna Zagorac , Verac Rubin , Danielk Inouye , James Neff , Alpha Centauri , Ellis Avallone , Marla Geha Yale , Macy Huston , Tarini Konchady , Ashish Mahabal Caltech , Los Reyes , Chris Smith , Marla Geha , Stella Offner , Ashley Vanderley , Annie Hughes Institut , Annie Jump Cannon , Blakesley Burkhart , Nancy Levenson , Christine Chen , Marla Geha Yale University , Most Institute , Blakesley Burkhart Rutgers University ,

Not all theories can explain the black hole M87* | EurekAlert! Science News

Theoretical physicists at Goethe University Frankfurt have analysed data from the black hole M87 as part of the Event Horizon Telescope (EHT) collaboration to test Albert Einstein s theory of general relativity. According to the tests, the size of the shadow from M87 is in excellent agreement being from a black hole in general relativity, but sets constraints on the properties of black holes in other theories. ....

New York , United States , New Zealand , Frankfurt Am Main , Luciano Rezzolla , Prashant Kocherlakota , Troy Kerr , Radioastronomie Millim , Karl Schwarzschild , Main University Alliance , University Of Mainz , Technical University Of Darmstadt , Perimeter Institute For Theoretical Physics , Goethe University , University Of Chicago , Max Planck Institute For Radio Astronomy , Radboud University , University Of Arizona , National Astronomical Observatory Of Japan , Academia Sinica Institute Of Astronomy , Professor Luciano Rezzolla , Theoretical Physics , Goethe University Frankfurt , Event Horizon Telescope , James Clerk Maxwell Telescope , Large Millimeter Telescope ,

Telescopes Unite in Unprecedented Observations of Famous Black Hole


Center for Astrophysics
EHT Collaboration
Cambridge, MA – In April 2019, scientists released the first image of a black hole in galaxy M87 using the Event Horizon Telescope (EHT). However, that remarkable achievement was just the beginning of the science story to be told.
Data from 19 observatories released today promise to give unparalleled insight into this black hole and the system it powers, and to improve tests of Einstein’s General Theory of Relativity.
“We knew that the first direct image of a black hole would be groundbreaking,” says Kazuhiro Hada of the National Astronomical Observatory of Japan, a co-author of a new study published in The Astrophysical Journal Letters that describes the large set of data. “But to get the most out of this remarkable image, we need to know everything we can about the black hole’s behavior at that time by observing over the entire electromagnetic spectrum.” ....

United States , Kuala Lumpur , Kitt Peak , United Kingdom , South Korea , Noord Holland , Mislav Balokovi , Juan Carlos Algaba , Sera Markoff , Harvard Smithsonian , Garrett Keating , Yale University , High Throughputx Ray Spectroscopy Mission , University Of Amsterdam , Daryl Haggard Of Mcgill University , High Energy Stereoscopic System , University Of Malaya , National Radio Astronomy Observatory , Multiwavelength Science Working Group , Nuclear Spectroscopic Telescope Array Nu , Mission Xmm Newton , Event Horizon Telescope , General Theory , Kazuhiro Hada , National Astronomical Observatory , Astrophysical Journal Letters ,