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X-Ray Follow-Up of Extragalactic TransientsMost violent and energetic processes in our universe, including mergers of compact objects,explosions of massive stars and extreme accretion events, produce copious amounts of X-rays. X-ray follow-up is an efficient tool for identifying transients: (1) X-rays can quickly localize transients with large error circles; (2) X-rays reveal the nature of transients that may not have unique signatures at other wavelengths. Here, we identify key science questions about several extragalactic multi-messenger andmulti-wavelength transients, and demonstrate how X-ray follow-up helps answer these questions.
Document ID
20190026460
Acquisition Source
Goddard Space Flight Center
Document Type
Other
Authors
Kara, Erin (Maryland Univ. College Park, MD, United States)
Margutti, Raffaella (Northwestern University Evanston, IL, United States)
Noble, Scott (Tulsa Univ. OK, United States)
Keivani, Azadeh (Columbia Univ. New York, NY, United States)
Mushotzky, Richard (Maryland Univ. College Park, MD, United States)
Fong, Wen-fai (Northwestern University Evanston, IL, United States)
Ruan, John (McGill University Montreal, Quebec, Canada)
Cenko, Brad (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Haggard, Daryl (McGill University Montreal, Quebec, Canada)
Burns, Eric (Universities Space Research Association (USRA) Greenbelt, MD, United States)
Ryan, Geoffrey (Maryland Univ. College Park, MD, United States)
Caputo, Regina (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Burrows, David (Pennsylvania State Univ. University Park, PA, United States)
Fox, Derek (Pennsylvania State Univ. University Park, PA, United States)
Date Acquired
June 18, 2019
Publication Date
March 13, 2019
Subject Category
Astronomy
Report/Patent Number
GSFC-E-DAA-TN69843
Funding Number(s)
CONTRACT_GRANT: NNH15CO48B
Distribution Limits
Public
Copyright
Use by or on behalf of the US Gov. Permitted.

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