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http://hdl.handle.net/2289/7232| Title: | Phase shifts in multi-frequency observations of the drift bands of J0034-0721 |
| Authors: | McSweene, Samuel J. Bhat, N. D. Ramesh Deshpande, A.A. Tremblay, S.E. |
| Keywords: | Pulsars general individual (J0034-0721) |
| Issue Date: | Sep-2017 |
| Publisher: | Cambridge University Press |
| Citation: | Proceedings of IAU Symposium 2017, Vol.13, p376-377 |
| Abstract: | We observed single pulses from PSR J0034-0721 (B0031-07) simultaneously at the MWA (185 MHz) and the GMRT (610 MHz). Correlation analyses reveal that the phase difference of the average profiles at the two frequencies differs from the phase difference observed between individual subpulses, indicating that the individual emission columns above the pulsar’s rotating carousel of sparks do not evolve in frequency in the same way that the global magnetosphere does. This hints at a possible departure from the dipolar field geometry in this pulsar’s emission region. Moreover, the discrepancy depends on the drift mode, suggestive of a way to constrain the emission heights associated with each drift mode. |
| Description: | Restricted Access. |
| URI: | http://hdl.handle.net/2289/7232 |
| ISSN: | 1743-9213 |
| Alternative Location: | http://adsabs.harvard.edu/doi/10.1017/S1743921317008420 https://doi.org/10.1017/S1743921317008420 |
| Copyright: | 2018 International Astronomical Union |
| Appears in Collections: | Research Papers (A&A) |
Files in This Item:
| File | Description | Size | Format | |
|---|---|---|---|---|
| 2017_IAU Symposium_No.337_p1.pdf Restricted Access | 280.26 kB | Adobe PDF | View/Open Request a copy |
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