SIMBAD references

2011ApJ...728..157B - Astrophys. J., 728, 157 (2011/February-3)

Detection of off-pulse emission from PSR B0525+21 and PSR B2045-16.


Abstract (from CDS):

We report the detection of off-pulse emission from two long-period pulsars PSR B0525+21 and PSR B2045-16 using the Giant Metrewave Radio Telescope. We recorded high time resolution interferometric data at 325 MHz and gated the data off-line to separate the on- and off-pulse sections of the pulsar. On imaging the two temporal sections separately, we detected a point source in the off-pulse images of both the pulsars coincident with the pulsar locations in the on-pulse images. The long periods (3.75 and 1.96 s, respectively) and low spin-down energies (erg/s) of the two pulsars argue against a pulsar wind nebula (PWN) origin for the off-pulse emission. The derived estimates of the interstellar medium particle density required to drive a PWN do not support such an interpretation. A magnetospheric origin for the off-pulse emission raises questions regarding the location of the emission region, which is an important input into pulsar emission models.

Abstract Copyright:

Journal keyword(s): pulsars: general - pulsars: individual (PSR B0525+21, PSR B2045-16)

CDS comments: PSR B1229+10 is a misprint for PSR B1929+10.

Simbad objects: 17

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