SIMBAD references

2015ApJ...802..130H - Astrophys. J., 802, 130 (2015/April-1)

The Crab pulsar at centimeter wavelengths. I. Ensemble characteristics.

HANKINS T.H., JONES G. and EILEK J.A.

Abstract (from CDS):

We have observed the pulsar in the Crab Nebula at high radio frequencies and high time resolution. We present continuously sampled data at 640 ns time resolution and individual bright pulses recorded at down to 0.25 ns time resolution. Combining our new data with previous data from our group and from the literature shows the dramatic changes in the pulsar's radio emission between low and high radio frequencies. Below about 5 GHz the mean profile is dominated by the bright Main Pulse and Low-Frequency Interpulse. Everything changes, however, above about 5 GHz; the Main Pulse disappears and the mean profile of the Crab pulsar is dominated by the High-Frequency Interpulse (which is quite different from its low-frequency counterpart) and the two High-Frequency Components. We present detailed observational characteristics of these different components which future models of the pulsar's magnetosphere must explain.

Abstract Copyright:

Journal keyword(s): pulsars: general - pulsars: individual: Crab pulsar

Simbad objects: 7

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2019.11.19-05:17:46

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