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81 results

Page 1 of 5

  • VLBI Scrutiny of a New Neutrino-Blazar Multiwavelength-Flare Coincidence

  • F. Eppel, M. Kadler, E. Ros, F. Rösch, J. Heßdörfer, P. Benke, P. G. Edwards, C. M. Fromm, M. Giroletti, A. Gokus, J. L. Gómez, S. Hämmerich, D. Kirchner, Y. Y. Kovalev, T. P. Krichbaum, M. L. Lister, C. Nanci, R. Ojha, G. F. Paraschos, A. Plavin, A. C. S. Readhead, J. Stevens, P. Weber
  • Journal:
    Proceedings of the International Astronomical Union / Volume 17 / Issue S375 / December 2021
    Published online by Cambridge University Press:
    11 September 2023, pp. 91-95
    Print publication:
    December 2021
    • Article
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      • Open access
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  • In recent years, evidence has started piling up that some high-energy cosmic neutrinos can be associated with blazars in flaring states. On 2022 February 26, a new blazar-neutrino coincidence was reported: the track-like neutrino event IC220225A detected by IceCube is spatially coincident with the flat-spectrum radio quasar PKS 0215+015. Like previous associations, this source was found to be in a high optical and γ-ray state. Moreover, the source showed a bright radio outburst, which substantially increases the probability of a true physical association. We have performed six observations with the VLBA shortly after the neutrino event with a monthly cadence and are monitoring the source with the Effelsberg 100m-Telescope, and with the Australia Compact Telescope Array. Here, we present first results on the contemporary parsec-scale jet structure of PKS 0215+015 in total intensity and polarization to constrain possible physical processes leading to neutrino emission in blazars.

Anemia
  • Pathophysiology, Diagnosis, and Management
  • Edited by Edward J. Benz, Jr., Nancy Berliner, Fred J. Schiffman
  • Published online:
    18 April 2018
    Print publication:
    13 July 2017
  • In light of recent advances in scientific understanding, this textbook provides a comprehensive yet focused guide to anemia, the most common hematologic malady in medicine. This authoritative, clinical resource covers the scientific basis of the many forms of anemia, while offering a practical approach to prognosis, diagnosis and management. Chapters cover a multitude of topics, ranging from the basic components and physiologic functions, to secondary anemias and transfusion therapy. Modern in approach, this text also looks ahead to new and innovative methodologies. With recommended treatment plans and many case studies, this heavily-illustrated book is essential reading for hematologists and oncologists. In providing a pathophysiologic context, it is also of interest to nurse practitioners, physician assistants and medical students in the field. This book provides access to an online version on Cambridge Core, which can be accessed via the code printed on the inside of the cover.​

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