172 citations · 1.2k across the 68 of their papers we have counts for
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Extended gamma-ray emission in the vicinity of the Westerlund 1 massive star cluster and Kes 41 supernova remnant seen by the Fermi Large Area Telescope
L. Tibaldo, R. Bernet, L. Härer +5
There is growing evidence for cosmic-ray acceleration in massive stellar clusters. Furthermore, extended gamma-ray emission suggests that particle transport in the vicinity of thei…
A cosmic-ray loaded nascent outflow driven by a massive star cluster
Marianne Lemoine-Goumard, Lucia Härer, Lars Mohrmann +6
Cosmic rays are widely held to drive outflows from star-forming galaxies and profoundly influence galaxy evolution. Direct evidence for cosmic-ray carrying outflows is however lack…
A broadband view of the thermal and non-thermal emission from the embedded massive star cluster RCW 38
Giada Peron, Andrea Bracco, Giovanni Morlino +4
Gamma-ray emission has now been detected from a variety of source classes in the Galaxy, including clusters of young massive stars. RCW 38, a very young embedded massive star clust…
Modelling Galactic neutrino emission: contributions from massive star clusters and interstellar cosmic rays
Stefano Menchiari, Silvia Celli, Vittoria Vecchiotti +3
The recent detection of Galactic neutrinos by the IceCube Observatory constitutes a remarkable achievement for neutrino astrophysics. By means of model dependent analyses based on…
Wolf-Rayet stars as tracers of gamma-ray emission: Isolated stars and stellar clusters/associations
Alexandre Inventar, Giada Peron, Sarah Recchia +1
Context: Recent gamma-ray observations of young star clusters revealed that stellar wind termination shocks accelerate particles, with the energy reservoir provided by the mechanic…
Cosmic rays: constraints from future MeV detectors
Giada Peron, Sarah Recchia, Stefano Menchiari +4
Cosmic rays are charged energetic particles that permeate the interstellar medium. Their sizeable energy share and penetration power makes them essential players in the dynamical a…
Unveiling TeV halos among unidentified extended TeV sources
Michela Rigoselli, Sarah Recchia, Alberto Bonollo +4
In recent years, the number of known sources emitting very- and ultra-high-energy gamma-rays has increased significantly thanks to facilities such as LHAASO and HAWC. Many of the o…
Prospects for dark matter observations in dwarf spheroidal galaxies with the Cherenkov Telescope Array Observatory
K. Abe, S. Abe, J. Abhir +491
The dwarf spheroidal galaxies (dSphs) orbiting the Milky Way are widely regarded as systems supported by velocity dispersion against self-gravity, and as prime targets for the sear…
Very-high-energy observations of the Seyfert galaxy NGC 4151 with MAGIC -- Indication of another gamma-ray obscured candidate neutrino source
K. Abe, S. Abe, J. Abhir +207
Seyfert galaxies are emerging as a promising source class of high-energy neutrinos. The Seyfert galaxies NGC 4151 and NGC 1068 have come up respectively as the most promising count…
Hadronic acceleration in the young star cluster NGC 6611 inside the M16 region unveiled by Fermi-LAT: constraints on the acceleration efficiency
Giada Peron, Stefano Menchiari, Giovanni Morlino +1
Context. Young Massive Star Clusters, long considered as potentially important sources of galactic cosmic rays, have recently emerged as gamma-ray emitters up to very high energies…
Massive star clusters in the gamma-ray sky: the role of HII regions
Giada Peron, Giovanni Morlino, Stefano Gabici +1
Massive Star Clusters (SCs) have been proposed as important CR sources, with the potential of explaining the high-energy end of the Galactic cosmic-ray (CR) spectrum, that Supernov…
Gamma ray emission from embedded young massive star clusters unveiled by Fermi-LAT
Giada Peron, Giovanni Morlino, Elena Amato +1
Massive star clusters (SCs) have been proposed as additional contributors to Galactic Cosmic rays (CRs), to overcome the limitations of supernova remnants (SNR) to reach the highes…
High-Statistics Measurement of the Cosmic-Ray Electron Spectrum with H.E.S.S
F. Aharonian, F. Ait Benkhali, J. Aschersleben +144
Owing to their rapid cooling rate and hence loss-limited propagation distance, cosmic-ray electrons and positrons (CRe) at very high energies probe local cosmic-ray accelerators an…
Multi-wavelength study of OT 081: broadband modelling of a transitional blazar
MAGIC Collaboration, H. Abe, S. Abe +270
OT 081 is a well-known, luminous blazar that is remarkably variable in many energy bands. We present the first broadband study of the source which includes very-high-energy (VHE, $…
Interpreting the LHAASO Galactic diffuse emission data
Vittoria Vecchiotti, Giada Peron, Elena Amato +4
Recently, the Large High-Altitude Air Shower Observatory (LHAASO) collaboration has obtained a measurement of the gamma-ray diffuse emission in the ultra-high energy range, $10-10^…
On the correlation between young massive star clusters and gamma-ray unassociated sources
Giada Peron, Giovanni Morlino, Stefano Gabici +3
Star clusters (SCs) are potential cosmic-ray (CR) accelerators and therefore are expected to emit high-energy radiation. However, a clear detection of gamma-ray emission from this…
Very-high-energy -ray emission from young massive star clusters in the Large Magellanic Cloud
F. Aharonian, F. Ait Benkhali, J. Aschersleben +129
The Tarantula Nebula in the Large Magellanic Cloud is known for its high star formation activity. At its center lies the young massive star cluster R136, providing a significant am…
The contribution of winds of star clusters to the Galactic cosmic-ray population
Giada Peron, Sabrina Casanova, Stefano Gabici +2
Cosmic rays are energetic nuclei that permeate the entire Galactic disk. Their existence requires the presence of powerful particle accelerators. While Galactic supernova explosion…
H.E.S.S. observations of the 2021 periastron passage of PSR B1259-63/LS 2883
H. E. S. S. Collaboration, F. Aharonian, F. Ait Benkhali +141
PSR B1259-63 is a gamma-ray binary system that hosts a pulsar in an eccentric orbit, with a 3.4 year period, around an O9.5Ve star. At orbital phases close to periastron passages,…
Contribution of young massive star clusters to Galactic diffuse -ray emission
Stefano Menchiari, Giovanni Morlino, Elena Amato +3
Context: Young massive stellar clusters (YMSCs) have emerged as potential -ray sources, after the recent association of a dozen YMSCs with extended -ray emission. The large s…
Detection prospects of very and ultra high-energy gamma rays from extended sources with ASTRI, CTA, and LHAASO
Silvia Celli, Giada Peron
Context. The recent discovery of several ultra high-energy gamma-ray emitters in our Galaxy represents a significant advancement towards the characterisation of its most powerful a…
Acceleration and transport of relativistic electrons in the jets of the microquasar SS 433
F. Aharonian, F. Ait Benkhali, J. Aschersleben +161
SS 433 is a microquasar, a stellar binary system with collimated relativistic jets. We observed SS 433 in gamma rays using the High Energy Stereoscopic System (H.E.S.S.), finding a…
Discovery of a Radiation Component from the Vela Pulsar Reaching 20 Teraelectronvolts
The H. E. S. S. Collaboration, :, F. Aharonian +178
Gamma-ray observations have established energetic isolated pulsars as outstanding particle accelerators and antimatter factories in the Galaxy. There is, however, no consensus rega…
Chasing Gravitational Waves with the Cherenkov Telescope Array
Jarred Gershon Green, Alessandro Carosi, Lara Nava +563
The detection of gravitational waves from a binary neutron star merger by Advanced LIGO and Advanced Virgo (GW170817), along with the discovery of the electromagnetic counterparts…