Revisiting the rich sub-pulse patterns of B1237+25: Preliminary Results

Details Revisiting the rich sub-pulse patterns of B1237+25: Preliminary Results Revisiting the rich sub-pulse patterns of B1237+25: Preliminary Results

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..983..103m&link_type=abstract

40 YEARS OF PULSARS: Millisecond Pulsars, Magnetars and More. AIP Conference Proceedings, Volume 983, pp. 103-105 (2008).

Other

1

Pulsars, Neutron Stars, Radiation Mechanisms, Polarization, Polar Cap Phenomena

Scientific paper

``Sub-pulse drifting'', one of the rich phenomena exhibited by many pulsars, have been suggested ([8], Ruderman and Sutherland, hereafter RS) as representing a system of sparks circulating around the magnetic axis in the acceleration zone of the star. Although pulse `drift' sequences have been studied for a number of pulsars, only in a few cases (i.e, B0943+10 & B0834+06) have the underlying patterns been mapped so far, revealing a well organized system of emission sub-beams and providing a strong support to the R&S model of circulating sparks. The well-known bright pulsar B1237+25, with its multi-component profile resulting from a special viewing geometry combined with its rich variety in pulse-to-pulse fluctuations, represents a challenging case for exploring the underlying circulation pattern. We present preliminary results of our analysis on a number of pulse-sequences from this object, with a view to investigate the following:
1. Are the sub-beam patterns in the two presumed conal rings correlated?
2. If yes, are the corresponding sub-beam patterns in the two conal rings offset relative to each other in magnetic azimuth?
3. Can the mode-changing phenomenon be understood as a result of some systematic feature in sub-beam patterns?
4. Core component: Really a ``core'' or just another conal ring of suitably small radius?

Affiliated with

Also associated with

No associations

Rating

Revisiting the rich sub-pulse patterns of B1237+25: Preliminary Results does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Revisiting the rich sub-pulse patterns of B1237+25: Preliminary Results, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Revisiting the rich sub-pulse patterns of B1237+25: Preliminary Results will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1872898