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2013MNRAS.430..571E - Mon. Not. R. Astron. Soc., 430, 571-587 (2013/March-3)
Six millisecond pulsars detected by the Fermi Large Area Telescope and the radio/gamma-ray connection of millisecond pulsars.
ESPINOZA C.M., GUILLEMOT L., CELIK O., WELTEVREDE P., STAPPERS B.W., SMITH D.A., KERR M., ZAVLIN V.E., COGNARD I., EATOUGH R.P., FREIRE P.C.C., JANSSEN G.H., CAMILO F., DESVIGNES G., HEWITT J.W., HOU X., JOHNSTON S., KEITH M., KRAMER M., LYNE A., MANCHESTER R.N., RANSOM S.M., RAY P.S., SHANNON R., THEUREAU G. and WEBB N.
Abstract (from CDS):
The MSPs mentioned above, together with most of the MSPs detected by Fermi, are used to put together a sample of 30 gamma-ray MSPs. This sample is used to study the morphology and phase connection of radio and gamma-ray pulse profiles. We show that MSPs with pulsed gamma-ray emission which is phase-aligned with the radio emission present the steepest radio spectra and the largest magnetic fields at the light cylinder among all MSPs. Also, we observe a trend towards very low, or undetectable, radio linear polarization levels. These properties could be attributed to caustic radio emission produced at a range of different altitudes in the magnetosphere. We note that most of these characteristics are also observed in the Crab pulsar, the only other radio pulsar known to exhibit phase-aligned radio and gamma-ray emission.
Abstract Copyright: © 2013 The Authors Published by Oxford University Press on behalf of the Royal Astronomical Society (2013)
Journal keyword(s): pulsars: general - gamma-rays: general - X-rays: general
Simbad objects: 32
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