{ "id": "1608.08881", "version": "v1", "published": "2016-08-31T14:30:11.000Z", "updated": "2016-08-31T14:30:11.000Z", "title": "The Crab Pulsar at Centimeter Wavelengths II: Single Pulses", "authors": [ "T. H. Hankins", "J. A. Eilek", "G. Jones" ], "categories": [ "astro-ph.HE", "astro-ph.SR" ], "abstract": "We have carried out new, high-frequency, high-time-resolution observations of the Crab pulsar. Combining these with our previous data, we characterize bright single pulses associated with the Main Pulse, both the Low-Frequency and High-Frequency Interpulses, and the two High-Frequency Components. Our data include observations at frequencies ranging from 1 to 43 GHz with time resolution down to a fraction of a nanosecond. We find at least two types of emission physics are operating in this pulsar. Both Main Pulses and Low-Frequency Interpulses, up to about 10 GHz, are characterized by nanoshot emission - overlapping clumps of narrow-band nanoshots, each with its own polarization signature. High-Frequency Interpulses, between 5 and 30 GHz, are characterized by spectral band emission - linearly polarized emission containing about 30 proportionately spaced spectral bands. We cannot say whether the longer-duration High-Frequency Component pulses are due to a scattering process, or if they come from yet another type of emission physics.", "revisions": [ { "version": "v1", "updated": "2016-08-31T14:30:11.000Z" } ], "analyses": { "keywords": [ "crab pulsar", "centimeter wavelengths", "high-frequency interpulses", "emission physics", "longer-duration high-frequency component pulses" ], "note": { "typesetting": "TeX", "pages": 0, "language": "en", "license": "arXiv", "status": "editable" } } }