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Romani, Roger W.; Wong, Josephine; Di Lalla, Niccoló; Omodei, Nicola; Xie, Fei; Ng, C.-Y.; Ferrazzoli, Riccardo; Di Marco, Alessandro; Bucciantini, Niccoló; Pilia, Maura; Slane, Patrick; Weisskopf, Martin C.; Johnston, Simon; Burgay, Marta; Wei, Deng; Yang, Yi-Jung; Zhang, Shumeng; Antonelli, Lucio A.; Bachetti, Matteo; Baldini, Luca; Baumgartner, Wayne H.; Bellazzini, Ronaldo; Bianchi, Stefano; Bongiorno, Stephen D.; [...]

The Polarized Cosmic Hand: IXPE Observations of PSR B1509−58/MSH 15−52

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  • Medientyp: E-Artikel
  • Titel: The Polarized Cosmic Hand: IXPE Observations of PSR B1509−58/MSH 15−52
  • Beteiligte: Romani, Roger W.; Wong, Josephine; Di Lalla, Niccoló; Omodei, Nicola; Xie, Fei; Ng, C.-Y.; Ferrazzoli, Riccardo; Di Marco, Alessandro; Bucciantini, Niccoló; Pilia, Maura; Slane, Patrick; Weisskopf, Martin C.; Johnston, Simon; Burgay, Marta; Wei, Deng; Yang, Yi-Jung; Zhang, Shumeng; Antonelli, Lucio A.; Bachetti, Matteo; Baldini, Luca; Baumgartner, Wayne H.; Bellazzini, Ronaldo; Bianchi, Stefano; Bongiorno, Stephen D.; [...]
  • Erschienen: American Astronomical Society, 2023
  • Erschienen in: The Astrophysical Journal
  • Sprache: Nicht zu entscheiden
  • DOI: 10.3847/1538-4357/acfa02
  • ISSN: 0004-637X; 1538-4357
  • Entstehung:
  • Anmerkungen:
  • Beschreibung: <jats:title>Abstract</jats:title> <jats:p>We describe IXPE polarization observations of the pulsar wind nebula (PWN) MSH 15−5<jats:sup>2</jats:sup>, the “Cosmic Hand.” We find X-ray polarization across the PWN, with <jats:italic>B</jats:italic>-field vectors generally aligned with filamentary X-ray structures. High-significance polarization is seen in arcs surrounding the pulsar and toward the end of the “jet,” with polarization degree PD &gt; 70%, thus approaching the maximum allowed synchrotron value. In contrast, the base of the jet has lower polarization, indicating a complex magnetic field at significant angle to the jet axis. We also detect significant polarization from PSR B1509−58 itself. Although only the central pulse phase bin of the pulse has high individual significance, flanking bins provide lower-significance detections and, in conjunction with the X-ray image and radio polarization, can be used to constrain rotating vector model solutions for the pulsar geometry.</jats:p>
  • Zugangsstatus: Freier Zugang