Wilkes, Belinda J. http://orcid.org/0000-0003-1809-2364
Tucker, Wallace
Schartel, Norbert
Santos-Lleo, Maria http://orcid.org/0000-0001-5948-8360
Article History
Received: 30 December 2019
Accepted: 28 January 2022
First Online: 8 June 2022
Change Date: 24 June 2022
Change Type: Update
Change Details: In the version of this article initially published, the original copyright holder shown (Springer Nature) was incorrect and the copyright has been amended to © Smithsonian under exclusive licence to Springer Nature Limited in the HTML and PDF versions of the article. Further, the text in the third-to-last sentence, reading, in part, “comparable with Chandra, extending to 10’ off-axis”, 10’ was mistakenly edited to read 10” in the original version.
Competing interests
: The authors declare no competing interests