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Highly Variable Quasar Candidates Selected from 4XMM-DR13 with Machine Learning
The Astrophysical JournalWe present a sample of 12 quasar candidates with highly variable soft X-ray emission, selected from the fourth XMM-Newton Serendipitous Source Catalog (4XMM-DR13), using random forest (RF).
Heng Wang +8 more
doaj +1 more source
A Search for Low-energy Gamma-rays from the Quasar 3C286 [PDF]
, 1965 D. J. Adams, R. R. Hillier, A.F. Janes
openalex +1 more source
Quasar Red Shifts: Can They Be Due to Implosion? [PDF]
, 1966 Banesh Hoffmann
openalex +1 more source
Resolved structure associated with the quasar PKS 0837 - 12 [PDF]
, 1978 P. A. Wehinger, S. Wyckoff
openalex +1 more source