Synchronous X-ray and Radio Mode Switches: a Rapid Global Transformation of the Pulsar Magnetosphere
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Jean-Mathias Griessmeier
- Function : Author
- PersonId : 737206
- IdHAL : jean-mathias-griessmeier
- ORCID : 0000-0003-3362-7996
- IdRef : 235780871
A. Bonafede
- Function : Author
- PersonId : 766668
- ORCID : 0000-0002-5068-4581
C. Ferrari
- Function : Author
- PersonId : 743106
- IdHAL : chiara-ferrari
- ORCID : 0000-0002-2917-9759
M.A. Garrett
- Function : Author
F. de Gasperin
- Function : Author
- PersonId : 766669
- ORCID : 0000-0003-4439-2627
M. Iacobelli
- Function : Author
- PersonId : 774611
- ORCID : 0000-0001-9118-2097
R. Pizzo
- Function : Author
- PersonId : 766670
- ORCID : 0000-0003-2816-9492
Michel Tagger
- Function : Author
- PersonId : 4538
- IdHAL : michel-tagger
- ORCID : 0000-0003-2962-3220
- IdRef : 097156310
P. Zarka
- Function : Author
- PersonId : 755767
- ORCID : 0000-0003-1672-9878
- IdRef : 034944648
Abstract
Pulsars emit low-frequency radio waves through to high-energy gamma-rays that are generated anywhere from the surface out to the edges of the magnetosphere. Detecting correlated mode changes in the multi-wavelength emission is therefore key to understanding the physical relationship between these emission sites. Through simultaneous observations, we have detected synchronous switching in the radio and X-ray emission properties of PSR B0943+10. When the pulsar is in a sustained radio 'bright' mode, the X-rays show only an un-pulsed, non-thermal component. Conversely, when the pulsar is in a radio 'quiet' mode, the X-ray luminosity more than doubles and a 100%-pulsed thermal component is observed along with the non-thermal component. This indicates rapid, global changes to the conditions in the magnetosphere, which challenge all proposed pulsar emission theories.
Origin : Publisher files allowed on an open archive
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