activity
20032026
most citedDiscovery of a 0.42-s pulsar in the ultraluminous X-ray source NGC 7793 P13

338 citations · 716 across the 22 of their papers we have counts for

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astro-ph.HE2026

X-ray and optical decline of the intermediate mass black hole HLX-1

Roberto Soria, Maya Garbaccio Gili, Francesco Massaro +2

HLX-1 is a prominent intermediate-mass black hole (IMBH) candidate, historically exhibiting recurrent X-ray outbursts with spectral state transitions analogous to those observed in…