activity
20032026
most citedStellar and total baryon mass fractions in groups and clusters since redshift 1

328 citations · 1.8k across the 146 of their papers we have counts for

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Showing astro-ph.HEShow all

9 papers · 1 filter

astro-ph.HE2025

Flashing fast: characterising the 2025 outburst of MAXI J1957+032

A. Sanna, G. Illiano, M. C. Baglio +13

MAXI J1957+032 is an accreting millisecond X-ray pulsar that shows brief, recurrent outbursts in an ultra-compact ~1 h orbit. We characterise the 2025 outburst using X-ray timing a…

astro-ph.HE2025

A multiwavelength study of the Galactic center black hole candidate MAXI J1744-294

Shifra Mandel, Kaya Mori, Paul A. Draghis +37

For the first time in nearly a decade, a bright transient was detected in the central parsec (pc) of the Galaxy. MAXI J1744-294, or -- as it was known in its previous life -- Swift…

astro-ph.HE2025

A semi-coherent search for optical pulsations from Scorpius X-1

Riccardo La Placa, Alessandro Papitto, Giulia Illiano +14

The emission of continuous gravitational waves (CWs) possibly explains why pulsars spinning with a period shorter than a millisecond have not been observed so far. Neutron stars ac…

astro-ph.HE2022★ 10 cited

Investigating the nature of the ultraluminous X-ray sources in the galaxy NGC 925

Chiara Salvaggio, Anna Wolter, Fabio Pintore +7

Variability is a powerful tool to investigate properties of X-ray binaries (XRB), in particular for Ultraluminous X-ray sources (ULXs) that are mainly detected in the X-ray band. F…

astro-ph.HE2021★ 1 cited

Expected disk wind properties evolution along an X-ray Binary outburst

P. -O. Petrucci, S. Bianchi, G. Ponti +12

Blueshifted X-ray absorption lines (preferentially from Fe XXV and Fe XXVI present in the 6-8 keV range) indicating the presence of massive hot disk winds in Black Hole (BH) X-ray…

astro-ph.HE2015★ 71 cited

Parent population of flat-spectrum radio-loud narrow-line Seyfert 1 galaxies

Marco Berton, Luigi Foschini, Stefano Ciroi +7

Flat-spectrum radio-loud Narrow-Line Seyfert 1 galaxies (NLS1s) are a recently discovered class of -ray emitting Active Galactic Nuclei (AGN), that exhibit some blazar-like prop…