output
19972026
most citedThe Swift X-ray Telescope

2.7k citations

Showing 2016 · astro-ph.HEShow all

20 papers · 2 filters

astro-ph.HE2016★ 344 cited

Combined fit of spectrum and composition data as measured by the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +397

We present a combined fit of a simple astrophysical model of UHECR sources to both the energy spectrum and mass composition data measured by the Pierre Auger Observatory. The fit h…

astro-ph.HE2016★ 32 cited

A targeted search for point sources of EeV photons with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +397

Simultaneous measurements of air showers with the fluorescence and surface detectors of the Pierre Auger Observatory allow a sensitive search for EeV photon point sources. Several…

astro-ph.HE2016★ 24 cited

Multi-resolution anisotropy studies of ultrahigh-energy cosmic rays detected at the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +400

We report a multi-resolution search for anisotropies in the arrival directions of cosmic rays detected at the Pierre Auger Observatory with local zenith angles up to and…

astro-ph.HE2016★ 18 cited

Multi-wavelength observations of IGR J17544-2619 from quiescence to outburst

E. Bozzo, V. Bhalerao, P. Pradhan +12

In this paper we report on a long multi-wavelength observational campaign of the supergiant fast X-ray transient prototype IGR J17544-2619. A 150 ks-long observation was carried ou…

astro-ph.HE2016★ 29 cited

Search for ultrarelativistic magnetic monopoles with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +411

We present a search for ultra-relativistic magnetic monopoles with the Pierre Auger Observatory. Such particles, possibly a relic of phase transitions in the early universe, would…

astro-ph.HE2016★ 15 cited

The 2015 outburst of the accreting millisecond pulsar IGR J17511-3057 as seen by INTEGRAL, Swift and XMM-Newton

A. Papitto, E. Bozzo, C. Sanchez-Fernandez +5

We report on INTEGRAL, Swift and XMM-Newton observations of IGR J17511-3057 performed during the outburst that occurred between March 23 and April 25, 2015. The source reached a pe…

astro-ph.HE2016★ 36 cited

The Swift-BAT monitoring reveals a long term decay of the cyclotron line energy in Vela X-1

V. La Parola, G. Cusumano, A. Segreto +1

We study the behaviour of the cyclotron resonant scattering feature (CRSF) of the high mass X-ray binary Vela X-1 using the long-term hard X-ray monitoring performed by the Burst A…

astro-ph.HE2016★ 51 cited

Ultrahigh-energy neutrino follow-up of Gravitational Wave events GW150914 and GW151226 with the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +410

On September 14, 2015 the Advanced LIGO detectors observed their first gravitational-wave (GW) transient GW150914. This was followed by a second GW event observed on December 26, 2…

astro-ph.HE2016★ 4 cited

Searching for supergiant fast X-ray transients with Swift

P. Romano, E. Bozzo, P. Esposito +11

Supergiant fast X-ray transients (SFXTs) are high mass X-ray binaries (HMXBs) hosting a neutron star and an OB supergiant companion. We examine the available Swift data, as well as…

astro-ph.HE2016★ 140 cited

Measurement of the Radiation Energy in the Radio Signal of Extensive Air Showers as a Universal Estimator of Cosmic-Ray Energy

The Pierre Auger Collaboration, Alexander Aab, Pedro Abreu +447

We measure the energy emitted by extensive air showers in the form of radio emission in the frequency range from 30 to 80 MHz. Exploiting the accurate energy scale of the Pierre Au…

astro-ph.HE2016★ 34 cited

An unexpected drop in the magnetic field of the X-ray pulsar V0332+53 after the bright outburst occurred in 2015

G. Cusumano, V. La Parola, A. D'Ai +4

How the accreted mass settling on the surface of a neutron star affects the topology of the magnetic field and how the secular evolution of the binary system depends on the magneti…

astro-ph.HE2016★ 28 cited

Azimuthal asymmetry in the risetime of the surface detector signals of the Pierre Auger Observatory

The Pierre Auger Collaboration, A. Aab, P. Abreu +436

The azimuthal asymmetry in the risetime of signals in Auger surface detector stations is a source of information on shower development. The azimuthal asymmetry is due to a combinat…

astro-ph.HE2016★ 15 cited

Multi-Wavelength Observations of the Blazar 1ES 1011+496 in Spring 2008

The MAGIC Collaboration, M. L. Ahnen, S. Ansoldi +158

The BL Lac object 1ES 1011+496 was discovered at Very High Energy gamma-rays by MAGIC in spring 2007. Before that the source was little studied in different wavelengths. Therefore…

astro-ph.HE2016★ 17 cited

IGR J17451-3022: a dipping and eclipsing low mass X-ray binary

E. Bozzo, P. Pjanka, P. Romano +10

In this paper, we report on the available X-ray data collected by INTEGRAL, Swift, and XMM-Newton during the first outburst of the INTEGRAL transient IGR J17451-3022, discovered in…

astro-ph.HE2016★ 41 cited

The 80 Ms follow-up of the X-ray afterglow of GRB 130427A challenges the standard forward shock model

M. De Pasquale, M. J. Page, D. A. Kann +12

GRB 130427A was the brightest gamma-ray burst detected in the last 30 years. With an equivalent isotropic energy output of erg and redshift , it uniquely…

astro-ph.HE2016★ 6 cited

Swift reveals the eclipsing nature of the high mass X-ray binary IGR~J16195-4945

G. Cusumano, V. La Parola, A. Segreto +1

IGR J16195-4945 is a hard X-ray source discovered by INTEGRAL during the Core Program observations performed in 2003. We analyzed the X-ray emission of this source exploiting the S…

astro-ph.HE2016★ 9 cited

Swift-XRT 6-year monitoring of the ultraluminous X-ray source M33-X8

V. La Parola, A. D'Aì, G. Cusumano +1

The long term evolution of ULX with their spectral and luminosity variations in time give important clues on the nature of ULX and on the accretion process that powers them. We rep…

astro-ph.HE2016★ 46 cited

Broad-band spectral analysis of the accreting millisecond X-ray pulsar SAX J1748.9-2021

Fabio Pintore, Andrea Sanna, Tiziana Di Salvo +6

We analyzed a 115 ks XMM-Newton observation and the stacking of 8 days of INTEGRAL observations, taken during the raise of the 2015 outburst of the accreting millisecond X-ray puls…

astro-ph.HE2016★ 7 cited

Temporal features of LS I +61303 in hard X-rays from the Swift/BAT survey data

A. D'Aì, G. Cusumano, V. La Parola +2

We study the long-term spectral and timing behaviour of LS I +61303 in hard X-rays (15--150 keV) using 10 years of survey data from the Burst Alert Telescop…

astro-ph.HE2016★ 2 cited

Spectral and timing characterization of the X-ray source 1RXS J194211.9+255552

A. D'Aì, G. Cusumano, V. La Parola +1

We report on the first spectral and timing characterization of the transient X-ray source 1RXS J194211.9+255552 using all available data from the Swift X-ray satellite. We used 10…