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Diffuse X-ray emission around an ultraluminous X-ray pulsar
Andrea Belfiore, Paolo Esposito, Fabio Pintore +17
Ultraluminous X-ray sources (ULXs) are extragalactic X-ray emitters located off-center of their host galaxy and with a luminosity in excess of a few ,…
Hot subdwarf wind models with accurate abundances I. Hydrogen dominated stars HD 49798 and BD+182647
J. Krticka, J. Janik, I. Krtickova +5
Hot subdwarfs are helium burning objects in late stages of their evolution. These stars can develop winds driven by light absorption in the lines of heavier elements. The wind stre…
First detection of the Crab Nebula at TeV energies with a Cherenkov telescope in a dual-mirror Schwarzschild-Couder configuration: the ASTRI-Horn telescope
S. Lombardi, O. Catalano, S. Scuderi +89
We report on the first detection of very high-energy (VHE) gamma-ray emission from the Crab Nebula by a Cherenkov telescope in dual-mirror Schwarzschild-Couder (SC) configuration.…
Awakening of the fast-spinning accreting Be/X-ray pulsar A0538-66
L. Ducci, S. Mereghetti, A. Santangelo
A0538-66 is a Be/X-ray binary (Be/XRB) hosting a 69 ms pulsar. It emitted bright X-ray outbursts with peak luminosity up to erg/s during the first years after its di…
XMM-Newton observations of PSR J0726-2612, a radio-loud XDINS
Michela Rigoselli, Sandro Mereghetti, Valery Suleimanov +4
We present the results of an XMM-Newton observation of the slowly rotating ( s), highly magnetized ( G) radio pulsar PSR J0726-2612. A previous…
Detailed X-ray spectroscopy of the magnetar 1E 2259+586
D. Pizzocaro, A. Tiengo, S. Mereghetti +7
Magnetic field geometry is expected to play a fundamental role in magnetar activity. The discovery of a phase-variable absorption feature in the X-ray spectrum of SGR 0418+5729, in…