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http://hdl.handle.net/20.500.12386/29636
Titolo: | Polarization study of the pulsars in the globular cluster 47 Tucanae | Autori: | Abbate, F. POSSENTI, ANDREA Tiburzi, C. van Straten, W. Barr, E. RIDOLFI, ALESSANDRO Freire, P. |
Data pubblicazione: | 2018 | Titolo del volume in cui è pubblicato il poster: | Pulsar Astrophysics the Next Fifty Years | Curatore/i del volume in cui è pubblicato il contributo: | Weltevrede, P.; Perera, B.B.P.;Preston, L.L.; Sanidas, S. | Serie: | PROCEEDINGS OF THE INTERNATIONAL ASTRONOMICAL UNION | Numero: | vol. 13, S337 | Da pagina:: | 295 | Abstract: | The linearly polarized component of a pulsar signal at different radio frequencies can help to constrain the parallel component of the magnetic field along the line of sight. In this work we measured the polarimetric properties of the pulsars in the globular cluster 47 Tucanae and we report the Rotation Measure (RM) for 13 of them. A gradient in the RM values of the pulsars across the cluster is detected suggesting the presence of significant variations in the magnetic field across the very small angular scales associated with the lines of sight to the pulsars in 47 Tucanae. Both magnetic fields located in the globular cluster or in the Galactic disk in the direction of the cluster are taken into consideration. However, more detailed modelling of the dynamics of the cluster and deeper observations with the MeerKAT and/or the SKA1 radio telescopes are necessary to discriminate among the models. | Titolo del convegno: | Pulsar Astrophysics the Next Fifty Years | Luogo del convegno: | Jodrell Bank Observatory, United Kingdom | Periodo del convegno: | 4-8 September, 2017 | URI: | http://hdl.handle.net/20.500.12386/29636 | URL: | https://www.cambridge.org/core/journals/proceedings-of-the-international-astronomical-union/article/polarization-study-of-the-pulsars-in-the-globular-cluster-47-tucanae/D82695D3A2880D6907CB7A7562A9BE94 | ISSN: | 1743-9213 | ISBN: | 9781107192539 | DOI: | 10.1017/S1743921317008389 | Bibcode ADS: | 2018IAUS..337..295A | Fulltext: | open |
È visualizzato nelle collezioni: | 3.01 Contributi in Atti di convegno |
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