Search Results - "Laycock, S. G."

A multi‐observatory database of X‐ray pulsars in the Magellanic Clouds by Yang, J., Laycock, S. G. T., Drake, J. J., Coe, M. J., Fingerman, S., Hong, J., Antoniou, V., Zezas, A.

“…Using hundreds of XMM‐Newton and Chandra archival observations and nearly a thousand RXTE observations, we have generated a comprehensive library of the known…”
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A Comprehensive Library of X-Ray Pulsars in the Small Magellanic Cloud: Time Evolution of Their Luminosities and Spin Periods by Yang, J., Laycock, S. G. T., Christodoulou, D. M., Fingerman, S., Coe, M. J., Drake, J. J.

“…We have collected and analyzed the complete archive of XMM-Newton (116), Chandra (151), and RXTE (952) observations of the Small Magellanic Cloud (SMC),…”
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Not an Oxymoron: Some X-Ray Binary Pulsars with Enormous Spin-Up Rates Reveal Weak Magnetic Fields by Christodoulou, D. M., Laycock, S. G. T., Kazanas, D.

“…Three high-mass X-ray binaries have been discovered recently exhibiting enormous spin-up rates. Conventional accretion theory predicts extremely high-surface…”
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Retrograde accretion discs in high-mass Be/X-ray binaries by Christodoulou, D. M., Laycock, S. G. T., Kazanas, D.

“…Abstract We have compiled a comprehensive library of all X-ray observations of Magellanic pulsars carried out by XMM–Newton, Chandra and RXTE in the period…”
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On the Geometry of the X-ray emission from pulsars a consistent inclination and beaming solution for the Be/X-ray pulsar SXP 1062 by Cappallo, R C, Laycock, S G T, Christodoulou, D M, Roy, A, Bhattacharya, S, Coe, M J, Zezas, A

“…ABSTRACT SXP 1062 is a long-period X-ray pulsar (XRP) with a Be optical companion located in the Small Magellanic Cloud. First discovered in 2010 from…”
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On the geometry of the X-ray emission from pulsars: the changing aspect of the Be/X-ray pulsar SXP348 by Cappallo, R, Laycock, S G T, Christodoulou, D M, Coe, M J, Zezas, A

“…The X-ray source SXP348 is a high-mass X-ray binary system in the Small Magellanic Cloud. Since its 1998 discovery by BeppoSAX, this pulsar has exhibited a…”
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Disentangling the neighbouring pulsars SXP 15.3 and SXP 305 by Monageng, I M, Coe, M J, Townsend, L J, Laycock, S G T, Kennea, J A, Roy, A, Udalski, A, Bhattacharya, S, Christodoulou, D M, Buckley, D A H, Evans, P A

“…ABSTRACT SXP 15.3 and SXP 305 are two Be X-ray binaries in the Small Magellanic Cloud that are spatially separated by ∼7 arcsec. The small separation between…”
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Multiwavelength observations of the Be/X-ray binary IGR J01217−7257 (=SXP 2.16) during outburst by Boon, C M, Bird, A J, Coe, M J, Corbet, R H D, Evans, P A, Kennea, J A, Krimm, H A, Laycock, S G T, Udalski, A

“…We present simultaneous, multiwavelength observations of the Small Magellanic Cloud Be/XRB IGR J01217-7257 (=SXP 2.16) during outbursts in 2014, 2015 and 2016…”
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Constraints on the number of X‐ray pulsars in IC 10 from a deep XMM‐Newton observation by Yang, J., Laycock, S. G. T., Wik, D. R.

“…We report the most sensitive search yet for X‐ray pulsars in the dwarf starburst galaxy IC 10, which is known to contain a population of young, high‐mass X‐ray…”
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Evolution of high‐mass X‐ray binaries in the small magellanic cloud by Yang, J., Wik, D. R., Zezas, A., Laycock, S. G. T., Hong, J., Xu, R.

“…To understand the progenitor of rotation‐powered pulsars, we compare them with accreting High‐Mass X‐ray binary pulsars, (hereafter X‐ray pulsars), in the…”
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On the Theoretical Framework of Magnetized Outflows from Stellar-Mass Black Holes and Related Observations by Christodoulou, D. M., Contopoulos, I., Kazanas, D., Steiner, J. F., Papadopoulos, D. B., Laycock, S. G. T.

“…The spins of stellar-mass black holes (BHs) and the power outputs of their jets are measurable quantities. Unfortunately, the currently employed methods do not…”
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Optical studies of two Large Magellanic Cloud X-ray transients: RX J0544.1–7100 and RX J0520.5–6932 by Coe, M. J., Negueruela, I., Buckley, D. A. H., Haigh, N. J., Laycock, S. G. T.

“…We report observations that confirm the identities of the optical counterparts to the transient sources RX J0544.1–7100 and RX J0520.5–6932. The counterparts…”
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Not an Oxymoron: Some X-ray Binary Pulsars with Enormous Spinup Rates Reveal Weak Magnetic Fields by Christodoulou, D. M, Laycock, S. G. T, Kazanas, D

“…Three high-mass X-ray binaries have been discovered recently exhibiting enormous spinup rates. Conventional accretion theory predicts extremely high surface…”
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A Striking Confluence Between Theory and Observations of High-Mass X-ray Binary Pulsars by Christodoulou, D. M, Laycock, S. G. T, Kazanas, D

“…We analyse the most powerful X-ray outbursts from neutron stars in ten Magellanic high-mass X-ray binaries and three pulsating ultraluminous X-ray sources…”
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Observations of the unusual counterpart to the X-ray pulsar AX J0051−733 by Coe, M. J., Haigh, N. J., Laycock, S. G. T., Negueruela, I., Kaiser, C. R.

“…Abstract We report optical and infrared (IR) observations of the ASCA X-ray pulsar system AX J0051−733. The relationship between the X-ray source and possible…”
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The Great Pretenders Among the ULX Class by Christodoulou, D. M, Laycock, S. G. T, Kazanas, D, Cappallo, R, Contopoulos, I

“…The recent discoveries of pulsed X-ray emission from three ultraluminous X-ray (ULX) sources have finally enabled us to recognize a subclass within the ULX…”
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A Comprehensive Library of X-ray Pulsars in the Small Magellanic Cloud: Time Evolution of their Luminosities and Spin Periods by Yang, J, Laycock, S. G. T, Christodoulou, D. M, Fingerman, S, Coe, M. J, Drake, J. J

“…We have collected and analyzed the complete archive of {\itshape XMM-Newton\} (116), {\itshape Chandra\} (151), and {\itshape RXTE\} (952) observations of the…”
Get full text

A multi-observatory database of X-ray pulsars in the Magellanic Clouds by Yang, J, Laycock, S. G. T, Drake, J. J, Coe, M. J, Fingerman, S, Hong, J, Antoniou, V, Zezas, A

“…Using hundreds of XMM-Newton and Chandra archival observations and nearly a thousand RXTE observations, we have generated a comprehensive library of the known…”
Get full text

On the Theoretical Framework of Magnetized Outflows from Stellar-Mass Black Holes and Related Observations by Christodoulou, D. M, Contopoulos, I, Kazanas, D, Steiner, J. F, Papadopoulos, D. B, Laycock, S. G. T

“…The spins of stellar-mass black holes (BHs) and the power outputs of their jets are measurable quantities. Unfortunately, the currently employed methods do not…”
Get full text

Multi-wavelength observations of the Be/X-ray binary IGR J01217-7257 (=SXP 2.16) during outburst by Boon, C. M, Bird, A. J, Coe, M. J, Corbet, R. H. D, Evans, P. A, Kennea, J. A, Krimm, H. A, Laycock, S. G. T, Udalski, A

“…We present simultaneous, multi-wavelength observations of the Small Magellanic Cloud Be/XRB IGR J01217-7257 (=SXP 2.16) during outbursts in 2014, 2015 and…”
Get full text