Search Results - "Pintore, F"

Pulsator-like Spectra from Ultraluminous X-Ray Sources and the Search for More Ultraluminous Pulsars by Pintore, F., Zampieri, L., Stella, L., Wolter, A., Mereghetti, S., Israel, G. L.

“…Ultraluminous X-ray sources (ULXs) are a population of extragalactic objects whose luminosity exceeds the Eddington limit for a 10 M black hole (BH). Their…”
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Modelling multiwavelength emission of Ultra-luminous X-ray Sources accreting above the Eddington limit by Ambrosi, E, Zampieri, L, Pintore, F, Wolter, A

“…ABSTRACT We model the multiwavelength properties of binaries accreting at super-critical rates with the aim to better understand the observational properties…”
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On the magnetic field in M51 ULX-8 by Middleton, M J, Brightman, M, Pintore, F, Bachetti, M, Fabian, A C, Fürst, F, Walton, D J

“…Abstract The reported discovery of a cyclotron resonance scattering feature (CRSF) in the spectrum of M51 ULX-8 may provide an important clue as to the nature…”
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Discovery of a 2.8 s Pulsar in a 2 Day Orbit High-mass X-Ray Binary Powering the Ultraluminous X-Ray Source ULX-7 in M51 by Rodríguez Castillo, G. A., Israel, G. L., Belfiore, A., Bernardini, F., Esposito, P., Pintore, F., De Luca, A., Papitto, A., Stella, L., Tiengo, A., Zampieri, L., Bachetti, M., Brightman, M., Casella, P., D'Agostino, D., Dall'Osso, S., Earnshaw, H. P., Fürst, F., Haberl, F., Harrison, F. A., Mapelli, M., Marelli, M., Middleton, M., Pinto, C., Roberts, T. P., Salvaterra, R., Turolla, R., Walton, D. J., Wolter, A.

“…We discovered 2.8 s pulsations in the X-ray emission of the ultraluminous X-ray source (ULX) M51 ULX-7 within the UNSEeN project, which was designed to hunt…”
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Timing of the accreting millisecond pulsar SAX J1748.9−2021 during its 2015 outburst by Sanna, A., Burderi, L., Riggio, A., Pintore, F., Di Salvo, T., Gambino, A. F., Iaria, R., Matranga, M., Scarano, F.

“…We report on the timing analysis of the 2015 outburst of the intermittent accreting millisecond X-ray pulsar SAX J1748.9−2021 observed on March 4 by the X-ray…”
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Multiwavelength investigation of the candidate Galactic PeVatron MGRO J1908+06 by Crestan, S, Giuliani, A, Mereghetti, S, Sidoli, L, Pintore, F, La Palombara, N

“…ABSTRACT The candidate PeVatron MGRO J1908+06, which shows a hard spectrum beyond 100 TeV, is one of the most peculiar γ-ray sources in the Galactic plane. Its…”
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Spectral and timing properties of IGR J00291+5934 during its 2015 outburst by Sanna, A., Pintore, F., Bozzo, E., Ferrigno, C., Papitto, A., Riggio, A., Di Salvo, T., Iaria, R., D'Aì, A., Egron, E., Burderi, L.

“…Abstract We report on the spectral and timing properties of the accreting millisecond X-ray pulsar IGR J00291+5934 observed by XMM–Newton and NuSTAR during its…”
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XMM-Newton campaign on the ultraluminous X-ray source NGC 247 ULX-1: outflows by Pinto, C, Soria, R, Walton, D J, D’Aì, A, Pintore, F, Kosec, P, Alston, W N, Fuerst, F, Middleton, M J, Roberts, T P, Del Santo, M, Barret, D, Ambrosi, E, Robba, A, Earnshaw, H, Fabian, A C

“…ABSTRACT Most ultraluminous X-ray sources (ULXs) are believed to be powered by super-Eddington accreting neutron stars and, perhaps, black holes. Above the…”
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Investigating the nature of the ultraluminous X-ray sources in the galaxy NGC 925 by Salvaggio, Chiara, Wolter, A, Pintore, F, Pinto, C, Ambrosi, E, Israel, G L, Marino, A, Salvaterra, R, Zampieri, L, Belfiore, A

“…Abstract Variability is a powerful tool to investigate properties of X-ray binaries (XRB), in particular for Ultraluminous X-ray sources (ULXs) that are mainly…”
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Comparison of distance measurements to dust clouds using GRB X-ray haloes and 3D dust extinction by Šiljeg, B, Bošnjak, Ž, Jelić, V, Tiengo, A, Pintore, F, Bracco, A

“…ABSTRACT X-ray photons from energetic sources such as gamma-ray bursts (GRBs) can be scattered on dust clouds in the Milky Way, creating a time-evolving halo…”
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Quasi-periodic dipping in the ultraluminous X-ray source, NGC 247 ULX-1 by Alston, W N, Pinto, C, Barret, D, D’Aì, A, Del Santo, M, Earnshaw, H, Fabian, A C, Fuerst, F, Kara, E, Kosec, P, Middleton, M J, Parker, M L, Pintore, F, Robba, A, Roberts, T P, Sathyaprakash, R, Walton, D, Ambrosi, E

“…ABSTRACT Most ultraluminous X-ray sources (ULXs) are believed to be stellar mass black holes or neutron stars accreting beyond the Eddington limit. Determining…”
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New X-ray observations of the hot subdwarf binary HD 49798/RX J0648.0–4418 by Mereghetti, S, Pintore, F, Rauch, T, La Palombara, N, Esposito, P, Geier, S, Pelisoli, I, Rigoselli, M, Schaffenroth, V, Tiengo, A

“…ABSTRACT HD 49798/RX J0648.0–4418 is the only confirmed X-ray binary in which the mass donor is a hot subdwarf star of O spectral type and, most likely, it…”
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The Slow Heartbeats of an Ultraluminous X-Ray Source in NGC 3621 by Motta, S. E., Marelli, M., Pintore, F., Esposito, P., Salvaterra, R., De Luca, A., Israel, G. L., Tiengo, A., Castillo, G. A. Rodríguez

“…We report on the results of X-ray observations of 4XMM J111816.0-324910, a transient ultraluminous X-ray source located in the galaxy NGC 3621. This system is…”
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Unveiling the disc structure in ultraluminous X-ray source NGC 55 ULX-1 by Barra, F, Pinto, C, Walton, D J, Kosec, P, D’Aì, A, Di Salvo, T, Del Santo, M, Earnshaw, H, Fabian, A C, Fuerst, F, Marino, A, Pintore, F, Robba, A, Roberts, T P

“…ABSTRACT Ultraluminous X-ray sources (ULXs) are the most extreme among X-ray binaries in which the compact object, a neutron star or a black hole, accretes…”
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Broad-band spectral analysis of the accreting millisecond X-ray pulsar SAX J1748.9−2021 by Pintore, F., Sanna, A., Di Salvo, T., Del Santo, M., Riggio, A., D'Aì, A., Burderi, L., Scarano, F., Iaria, R.

“…We analysed a 115-ks XMM–Newton observation and the stacking of 8 d of INTEGRAL observations, taken during the raise of the 2015 outburst of the accreting…”
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Testing rate-dependent corrections on timing mode EPIC-pn spectra of the accreting neutron star GX 13+1 by Pintore, F., Sanna, A., Salvo, T. di, Guainazzi, M., D'Aì, A., Riggio, A., Burderi, L., Iaria, R., Robba, N. R.

“…When the EPIC-pn instrument on board XMM–Newton is operated in Timing mode, high count rates (>100 counts s−1) of bright sources may affect the calibration of…”
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The Chameleon on the branches: spectral state transition and dips in NGC 247 ULX-1 by D’Aì, A, Pinto, C, Del Santo, M, Pintore, F, Soria, R, Robba, A, Ambrosi, E, Alston, W, Barret, D, Fabian, A C, Fürst, F, Kara, E, Kosec, P, Middleton, M, Roberts, T, Rodriguez-Castillo, G, Walton, D J

“…ABSTRACT Soft Ultra-Luminous X-ray (ULXs) sources are a subclass of the ULXs that can switch from a supersoft spectral state, where most of the luminosity is…”
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An ultrafast outflow in the black hole candidate MAXI J1810−222? by Del Santo, M, Pinto, C, Marino, A, D’Aì, A, Petrucci, P-O, Malzac, J, Ferreira, J, Pintore, F, Motta, S E, Russell, T D, Segreto, A, Sanna, A

“…ABSTRACT The transient X-ray source MAXI J1810−222 was discovered in 2018 and has been active ever since. A long combined radio and X-ray monitoring campaign…”
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Spectral analysis of SMC X-2 during its 2015 outburst by La Palombara, N., Sidoli, L., Pintore, F., Esposito, P., Mereghetti, S., Tiengo, A.

“…We report on the results of XMM–Newton and Swift observations of SMC X-2 during its last outburst in 2015 October, the first one since 2000. The source reached…”
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The multi-outburst activity of the magnetar in Westerlund I by Borghese, A, Rea, N, Turolla, R, Pons, J A, Esposito, P, Coti Zelati, F, Savchenko, V, Bozzo, E, Perna, R, Zane, S, Mereghetti, S, Campana, S, Mignani, R P, Bachetti, M, Rodríguez, G, Pintore, F, Tiengo, A, Götz, D, Israel, G L, Stella, L

“…ABSTRACT After two major outbursts in 2006 and 2011, on 2017 May 16 the magnetar CXOU J164710.2−455216, hosted within the massive star cluster Westerlund I,…”
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