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Related papers: The McGill Magnetar Catalog

200 papers

We present the results of the systematic study of all magnetar outbursts observed to date, through a reanalysis of data acquired in about 1100 X-ray observations. We track the temporal evolution of the outbursts soft X-ray spectral…

High Energy Astrophysical Phenomena · Physics 2021-01-27 Francesco Coti Zelati , Nanda Rea , Jose Pons , Sergio Campana , Paolo Esposito

The analysis of distributions of some parameters of radio pulsars emitting X-ray radiation was carried out. The majority of such pulsars has short spin periods with the average value $< P >$ = 133 msec. The distribution of period…

High Energy Astrophysical Phenomena · Physics 2019-04-10 Igor F. Malov , Maria A. Timirkeeva

We present a catalog of 290 "winged" or X-shaped radio galaxies (XRGs) extracted from the latest (2014 December 17) data release of the "Very Large Array Faint Images of the Radio Sky at Twenty centimeter." We have combined these radio…

High Energy Astrophysical Phenomena · Physics 2020-07-23 Xiaolong Yang , Ravi Joshi , Gopal-Krishna , Tao An , Luis C. Ho , Paul J. Wiita , Xiang Liu , Jun Yang , Ran Wang , Xuebing Wu , Xiaofeng Yang

We explore the hypothesis that the magnetic fields of neutron stars are of fossil origin. For parametrised models of the distribution of magnetic flux on the Main Sequence and of the birth spin period of the neutron stars, we calculate the…

Astrophysics · Physics 2009-11-11 Lilia Ferrario , Dayal Wickramasinghe

(abridged) We analysed eight XMM-Newton observations toward the Small Magellanic Cloud (SMC), performed between October 2006 and June 2007, to investigate high mass X-ray binary systems. We found new X-ray binary pulsars with periods of 202…

Astrophysics · Physics 2009-11-13 F. Haberl , P. Eger , W. Pietsch

Rossi X-Ray Timing Explorer observations of the Small Magellanic Cloud have revealed a previously unknown transient X-ray pulsar with a pulse period of 95s. Provisionally designated XTE SMC95, the pulsar was detected in three Proportional…

Astrophysics · Physics 2009-11-07 S. Laycock , R. H. D. Corbet , D. Perrodin , M. J. Coe , F. E. Marshall , C. Markwardt

The launch of several sensitive X-ray and gamma-ray instruments during the last decade heralded a new era in the research of millisecond pulsars. The current number of millisecond pulsars detected in the X-ray spectral window is about 30,…

Astrophysics · Physics 2007-05-23 L. Kuiper , W. Hermsen

The X-ray emission of magnetic intermediate mass Ap/Bp stars is reviewed and put into context of intrinsic as well as extrinsic hypotheses for its origin. New X-ray observations of Ap/Bp stars are presented and combined with an updated…

Solar and Stellar Astrophysics · Physics 2016-07-27 Jan Robrade

We present 100 multiple cluster candidates selected from the OGLE catalog of star clusters in the Large Magellanic Cloud. Statistical analysis shows that the significant fraction of these objects may constitute physical systems. Coeval ages…

Astrophysics · Physics 2007-05-23 G. Pietrzynski , A. Udalski

Strong magnetic field of accreting neutron stars ($10^{14}$ G) is hard to probe by X-ray spectroscopy but can be indirectly inferred from spin-up/spin-down measurement in X-ray pulsars. The existing observations of slowly rotating X-ray…

High Energy Astrophysical Phenomena · Physics 2015-06-16 K. A. Postnov , N. I. Shakura , A. Yu. Kochetkova , L. Hjalmarsdotter

We report on five binary pulsars discovered in the Parkes multibeam Galactic plane survey. All of the pulsars are old, with characteristic ages 1-11 Gyr, and have relatively small inferred magnetic fields, 5-90e8 G. The orbital periods…

Radio pulsars are believed to have their emission powered by the loss of rotational kinetic energy. By contrast, magnetars show intense X-ray and gamma-ray radiation whose luminosity greatly exceeds that due to spin-down and is believed to…

High Energy Astrophysical Phenomena · Physics 2016-10-05 R. F. Archibald , V. M. Kaspi , S. P. Tendulkar , P. Scholz

The soft gamma-ray repeater (SGR) 0526-66 is the first-identified magnetar, and is projected within the supernova remnant N49 in the Large Magellanic Cloud. Based on our ~50 ks NuSTAR observation, we detect the quiescent-state 0526-66 for…

High Energy Astrophysical Phenomena · Physics 2020-05-06 Sangwook Park , Jayant Bhalerao , Oleg Kargaltsev , Patrick O. Slane

We present a morphological analysis of the feature-rich 2MASS LMC color-magnitude diagram, identifying Galactic and LMC populations and estimating the density of LMC populations alone. We also present the projected spatial distributions of…

Astrophysics · Physics 2009-10-31 Sergei Nikolaev , Martin D. Weinberg

XRT 201423 is an X-ray transient with a nearly flat plateau lasting 4.1 ks followed by a steep decay. This feature indicates that it might come from a magnetar formed through a binary neutron star merger, similar to CDF-S XT2 and as…

High Energy Astrophysical Phenomena · Physics 2021-07-07 Shunke Ai , Bing Zhang

Magnetic confinement of stellar winds leads to the formation of magnetospheres, which can be sculpted into Centrifugal Magnetospheres (CMs) by rotational support of the corotating plasma. The conditions required for the CMs of magnetic…

The Small Magellanic Cloud (SMC) hosts a large number of high-mass X-ray binaries, and in particular of Be/X-ray Binaries (BeXRBs; neutron stars orbiting OBe-type stars), offering a unique laboratory to address the effect of metalicity. One…

Solar and Stellar Astrophysics · Physics 2017-11-15 Grigoris Maravelias , Andreas Zezas , Vallia Antoniou , Despina Hatzidimitriou , Frank Haberl

Magnetars are a subclass of neutron stars with ultra-strong surface magnetic fields. Some magnetars exhibit persistent hard X-ray emission, characterized by power-law tails with photon indices around 1--1.5, extending from ${\sim}$10 keV to…

High Energy Astrophysical Phenomena · Physics 2026-05-11 Kun Hu , Nicholas Rackers , Alexander Y. Chen

Results of a 4 year monitoring campaign of the SMC using the Rossi X-ray timing Explorer (RXTE) are presented. This large dataset makes possible detailed investigation of a significant sample of SMC X-ray binaries. 8 new X-ray pulsars were…

Astrophysics · Physics 2009-11-10 S. Laycock , R. H. D. Corbet , M. J. Coe , F. E. Marshall , C. Markwardt , J. Lochner

Using archival X-ray data from the second XMM-Newton serendipitous source catalogue, we present comparative analysis of the overall population of X-ray sources in the Large and Small Magellanic Clouds. We see a difference between the…

Astrophysics · Physics 2008-09-16 Andrew J. Gosling , Sean A. Farrell , Natalie A. Webb , Jari J. E. Kajava