ON THE NATURE OF OFF-PULSE EMISSION FROM PULSARS
- National Centre for Radio Astrophysics, P.O. Bag 3, Pune University Campus, Pune 411 007 (India)
- Indian Institute of Science Education Research (IISER)-Pune, 900, NCL Innovation Park, Homi Bhabha Road, Pune, 411 008 (India)
In our earlier studies, we reported the detection of off-pulse emission from two long-period pulsars B0525+21 and B2045-16. The pulsars were observed at a single epoch using the 325 MHz frequency band of the Giant Meterwave Radio Telescope (GMRT). In this paper, we report a detailed study of the off-pulse emission from these two pulsars using multiple observations at two different frequencies, 325 MHz and 610 MHz bands of GMRT. We report detection of off-pulse emission during each observation and based on the scintillation effects and spectral index of off-pulse emission we conclude a magnetospheric origin. The magnetospheric origin of off-pulse emission gives rise to various interesting possibilities about its emission mechanism and raises questions about the structure of the magnetosphere.
- OSTI ID:
- 22086540
- Journal Information:
- Astrophysical Journal, Vol. 758, Issue 2; Other Information: Country of input: International Atomic Energy Agency (IAEA); ISSN 0004-637X
- Country of Publication:
- United States
- Language:
- English
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