activity
20242026
most citedSDSS1335+0728: The awakening of a black hole

19 citations · 20 across the 5 of their papers we have counts for

collaborators

5 papers

astro-ph.HE2026

ENGRAVE follow-up of a type IIb supernova spatially coincident with the sub-threshold gravitational wave trigger S250818k

K. Ackley, M. T. Botticella, A. Boye +54

The candidate gravitational wave (GW) event S250818k was one of only three non-retracted LIGO-Virgo-KAGRA public alerts issued during the fourth observing run of the network (O4) w…

astro-ph.HE2025

XRISM/Resolve reveals the complex iron structure of NGC 7213: Evidence for radial stratification between inner disk and broad-line region

E. Kammoun, T. Kawamuro, K. Murakami +48

We present the first high-resolution X-ray spectrum of NGC 7213 obtained with XRISM/Resolve, supported by simultaneous XMM-Newton, NuSTAR, and SOAR optical data. The XRISM spectrum…

astro-ph.HE2025

The GRACE project: Hard X-ray giant radio galaxies and their duty cycle

G. Bruni, F. Panessa, L. Bassani +14

The advent of new generation radio telescopes is opening new possibilities on the classification and study of extragalactic high-energy sources, specially the underrepresented ones…

astro-ph.GA2024★ 1 cited

AT 2021hdr: A candidate tidal disruption of a gas cloud by a binary super massive black hole system

L. Hernández-García, A. M. Muñoz-Arancibia, P. Lira +25

With a growing number of facilities able to monitor the entire sky and produce light curves with a cadence of days, in recent years there has been an increased rate of detection of…

astro-ph.GA2024★ 19 cited

SDSS1335+0728: The awakening of a black hole

P. Sánchez-Sáez, L. Hernández-García, S. Bernal +22

The galaxy SDSS1335+0728, which had exhibited no prior optical variations during the preceding two decades, began showing significant nuclear variability in the Zwicky Transient Fa…