Search Results - "Perna, R"

Unifying the observational diversity of isolated neutron stars via magneto-thermal evolution models by Viganò, D., Rea, N., Pons, J. A., Perna, R., Aguilera, D. N., Miralles, J. A.

“…Observations of magnetars and some of the high magnetic field pulsars have shown that their thermal luminosity is systematically higher than that of classical…”
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The discovery, monitoring and environment of SGR J1935+2154 by Israel, G. L., Esposito, P., Rea, N., Coti Zelati, F., Tiengo, A., Campana, S., Mereghetti, S., Rodriguez Castillo, G. A., Götz, D., Burgay, M., Possenti, A., Zane, S., Turolla, R., Perna, R., Cannizzaro, G., Pons, J.

“…We report on the discovery of a new member of the magnetar class, SGR J1935+2154, and on its timing and spectral properties measured by an extensive…”
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Tidal Disruption on Stellar-mass Black Holes in Active Galactic Nuclei by Yang, Y., Bartos, I., Fragione, G., Haiman, Z., Kowalski, M., Márka, S., Perna, R., Tagawa, H.

“…Abstract Active galactic nuclei (AGNs) can funnel stars and stellar remnants from the vicinity of the galactic center into the inner plane of the AGN disk…”
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CONSTRAINING THE GRB-MAGNETAR MODEL BY MEANS OF THE GALACTIC PULSAR POPULATION by Rea, N., Gullón, M., Pons, J. A., Perna, R., Dainotti, M. G., Miralles, J. A., Torres, D. F.

“…ABSTRACT A large fraction of Gamma-ray bursts (GRBs) displays an X-ray plateau phase within <105 s from the prompt emission, proposed to be powered by the…”
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X-Rays from the Location of the Double-humped Transient ASASSN-15lh by Margutti, R., Metzger, B. D., Chornock, R., Milisavljevic, D., Berger, E., Blanchard, P. K., Guidorzi, C., Migliori, G., Kamble, A., Lunnan, R., Nicholl, M., Coppejans, D. L., Dall'Osso, S., Drout, M. R., Perna, R., Sbarufatti, B.

“…We present the detection of persistent soft X-ray radiation with -1042 erg s-1 at the location of the extremely luminous, double-humped transient ASASSN-15lh…”
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GAMMA-RAY BURSTS TRACE UV METRICS OF STAR FORMATION OVER 3 < z < 5 by Greiner, J, Fox, D B, Schady, P, Kruhler, T, Trenti, M, Cikota, A, Bolmer, J, Elliott, J, Delvaux, C, Perna, R

“…We present the first uniform treatment of long duration gamma-ray burst (GRB) host galaxy detections and upper limits over the redshift range 3 < z < 5, a key…”
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THE OUTBURST DECAY OF THE LOW MAGNETIC FIELD MAGNETAR SGR 0418+5729 by Rea, N, Israel, G L, Pons, J A, Turolla, R, Vigano, D, Zane, S, Esposito, P, Perna, R, Papitto, A, TERRERAN, G

“…We report on the long-term X-ray monitoring of the outburst decay of the low magnetic field magnetar SGR 0418 + 5729 using all the available X-ray data…”
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Population synthesis of isolated neutron stars with magneto-rotational evolution – II. From radio-pulsars to magnetars by Gullón, M., Pons, J. A., Miralles, J. A., Viganò, D., Rea, N., Perna, R.

“…Population synthesis studies constitute a powerful method to reconstruct the birth distribution of periods and magnetic fields of the pulsar population. When…”
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The X-ray evolution and geometry of the 2018 outburst of XTE J1810−197 by Borghese, A, Rea, N, Turolla, R, Rigoselli, M, Alford, J A J, Gotthelf, E V, Burgay, M, Possenti, A, Zane, S, Coti Zelati, F, Perna, R, Esposito, P, Mereghetti, S, Viganò, D, Tiengo, A, Götz, D, Ibrahim, A, Israel, G L, Pons, J, Sathyaprakash, R

“…ABSTRACT After 15 yr, in late 2018, the magnetar XTE J1810−197 underwent a second recorded X-ray outburst event and reactivated as a radio pulsar. We initiated…”
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Constraints on warm dark matter models from high-redshift long gamma-ray bursts by de Souza, R. S., Mesinger, A., Ferrara, A., Haiman, Z., Perna, R., Yoshida, N.

“…Structures in warm dark matter (WDM) models are exponentially suppressed below a certain scale, characterized by the dark matter particle mass, m x. Since…”
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Deep X-Ray and Radio Observations of the First Outburst of the Young Magnetar Swift J1818.0−1607 by Ibrahim, A. Y., Borghese, A., Rea, N., Zelati, F. Coti, Parent, E., Russell, T. D., Ascenzi, S., Sathyaprakash, R., Götz, D., Mereghetti, S., Topinka, M., Rigoselli, M., Savchenko, V., Campana, S., Israel, G. L., Tiengo, A., Perna, R., Turolla, R., Zane, S., Esposito, P., Castillo, G. A. Rodríguez, Graber, V., Possenti, A., Dehman, C., Ronchi, M., Loru, S.

“…Abstract Swift J1818.0−1607 is a radio-loud magnetar with a spin period of 1.36 s and a dipolar magnetic field strength of B ∼ 3 × 10 14 G, which is very young…”
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The X-Ray Outburst of the Galactic Center Magnetar over Six Years of Chandra Observations by Rea, N., Coti Zelati, F., Viganò, D., Papitto, A., Baganoff, F., Borghese, A., Campana, S., Esposito, P., Haggard, D., Israel, G. L., Mereghetti, S., Mignani, R. P., Perna, R., Pons, J. A., Ponti, G., Stella, L., Torres, D. F., Turolla, R., Zane, S.

“…The magnetar SGR J1745−2900, discovered at a distance of parsecs from the Milky Way central black hole, Sagittarius A , represents the closest pulsar to a…”
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Measuring the Nonaxially Symmetric Surface Temperature Distribution of the Central Compact Object in Puppis A by Alford, J. A. J., Gotthelf, E. V., Perna, R., Halpern, J. P.

“…Abstract The surface temperature distributions of central compact objects (CCOs) are powerful probes of their crustal magnetic field strengths and geometries…”
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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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Modeling the Surface X-ray Emission and Viewing Geometry of PSR J0821–4300 in Puppis A by Gotthelf, E. V, Perna, R, Halpern, J. P

“…We present a model for the unusual X-ray pulse profiles of PSR J0821--4300, the compact central object in supernova remnant Puppis A. We show that a pair of…”
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Instabilities in the Time-Dependent Neutrino Disk in Gamma-Ray Bursts by Janiuk, A, Yuan, Y, Perna, R, Di Matteo, T

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Gazing at the ultraslow magnetar in RCW 103 with NuSTAR and Swift by Borghese, A, Coti Zelati, F, Esposito, P, Rea, N, De Luca, A, Bachetti, M, Israel, G L, Perna, R, Pons, J A

“…Abstract We report on a new NuSTAR observation and on the ongoing Swift X-Ray Telescope monitoring campaign of the peculiar source 1E 161348–5055, located at…”
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The first outburst of the new magnetar candidate SGR 0501+4516 by Rea, N., Israel, G. L., Turolla, R., Esposito, P., Mereghetti, S., Götz, D., Zane, S., Tiengo, A., Hurley, K., Feroci, M., Still, M., Yershov, V., Winkler, C., Perna, R., Bernardini, F., Ubertini, P., Stella, L., Campana, S., Van Der Klis, M., Woods, P.

“…We report here on the outburst onset and evolution of the new soft gamma-ray repeater SGR 0501+4516. We monitored the new SGR with XMM–Newton starting on 2008…”
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Modelling of the surface emission of the low magnetic field magnetar SGR 0418+5729 by Guillot, S., Perna, R., Rea, N., Viganò, D., Pons, J. A.

“…We perform a detailed modelling of the post-outburst surface emission of the low magnetic field magnetar SGR 0418+5729. The dipolar magnetic field of this…”
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Dynamical evolution of intermediate-mass black holes and their observable signatures in the nearby Universe by Volonteri, Marta, Perna, Rosalba

“…We investigate the consequences of a model of the assembly and growth of massive black holes (MBHs) from primordial seeds, remnants of the first generation of…”
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