Even a Precessing Clock Is Right Twice per Orbit—The Superperiods of eRO-QPE2 and Challenges for Quasiperiodic Eruption Orbital Models

We present O  −  C (“observed minus calculated”) timing analysis of the quasiperiodic eruption (QPE) source eRO-QPE2 with a multimission X-ray campaign including 32 observed eruptions spanning a month (i.e., 325 cycles). For disk instability models, the O  −  C is consistent with a damped random wal...

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Bibliografiske detaljer

Principais autores:	R. Arcodia, G. Miniutti, J. Chakraborty, A. Franchini, M. Giustini, I. Linial, A. Mummery, L. Bertassi, M. Bonetti, E. Kara, A. Merloni, A. Motta, G. Ponti, E. Quintin, R. Soria, P. Baldini, J. Buchner, M. Dotti, P. C. Fragile, A. Ingram, M. Middleton, C. Panagiotou, A. Sesana, P. Yao, A. Rau, F. M. Vincentelli, M. Guolo, R. Saxton
Format:	Artigo
Sprog:	Inglês
Udgivet:	IOP Publishing 2026-01-01
Serier:	The Astrophysical Journal
Fag:	X-ray astronomy Black holes Active galactic nuclei Extragalactic astronomy X-ray bursts X-ray transient sources
Online adgang:	https://doi.org/10.3847/1538-4357/ae6078
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