Timing analysis of the 2022 outburst of the accreting millisecond X-ray pulsar SAX J1808.4\(-\)3658: hints of an orbital shrinking

We present a pulse timing analysis of NICER observations of the accreting millisecond X-ray pulsar SAX J1808.4\(-\)3658 during the outburst that started on 2022 August 19. Similar to previous outbursts, after decaying from a peak luminosity of \(\simeq 1\times10^{36} \, \mathrm{erg \, s^{-1}}\) in a...

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Veröffentlicht in:	arXiv.org 2022-12
Hauptverfasser:	Illiano, Giulia, Papitto, Alessandro, Sanna, Andrea, Bult, Peter, Ambrosino, Filippo, Zanon, Arianna Miraval, Francesco Coti Zelati, Stella, Luigi, Altamirano, Diego, Baglio, Maria Cristina, Bozzo, Enrico, Burderi, Luciano, de Martino, Domitilla, Alessandro Di Marco, Tiziana di Salvo, Ferrigno, Carlo, Loktev, Vladislav, Marino, Alessio, Ng, Mason, Pilia, Maura, Poutanen, Juri, Salmi, Tuomo
Format:	Artikel
Sprache:	eng
Schlagworte:	Companion stars Deposition Evolution Luminosity Magnetic dipoles Orbits Outbursts Physics - High Energy Astrophysical Phenomena Pulsars Quadrupoles
Online-Zugang:	Volltext
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