NDLI: The radio emission of anomalous pulsars

Content Provider	Springer Nature Link
Author	Malov, I. F.
Copyright Year	2014
Abstract	Previously developed methods for estimating the angle β between the spin axis of a neutron star and its magnetic moment together with observational data for anomalous X-ray pulsars (AXPs) indicate that these objects are nearly aligned rotators, and that the drift model can be applied to them. The magnetospheres of aligned rotators are appreciably more extended than in pulsars with large values of β. With such extents for the magnetosphere, the conditions for the generation of transverse waves via the cyclotron instability are satisfied. The expected spectrum of the resulting radiation is very steep (its spectral index is α > 3), consistent with the observed radio spectra of known AXPs (α > 2). A large magnetosphere also favors the appearance of appreciable pitch angles for relativistic electrons, and therefore the generation of synchrotron emission. The maximum of this emission falls in the microwave range. This mechanism provides appreciable fluxes at frequencies of tens of gigahertz and can explain the observed enhanced AXP radiation in this range.
Starting Page	139
Ending Page	144
Page Count	6
File Format	PDF
ISSN	10637729
Journal	Astronomy Reports
Volume Number	58
Issue Number	3
e-ISSN	15626881
Language	English
Publisher	Pleiades Publishing
Publisher Date	2014-03-18
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Astronomy, Observations and Techniques
Content Type	Text
Resource Type	Article
Subject	Astronomy and Astrophysics Space and Planetary Science

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Peculiarities of radio pulsars with emission outside the radio range

Radio emission of RRAT pulsars at 111 MHz

High-frequency cutoff and change of radio emission mechanism in pulsars

The space velocities of radio pulsars

Radio emission from two anomalous X-ray pulsars

Energy source for the radio emission from pulsars

The magnetic fields of radio pulsars

Period clustering of anomalous X-ray pulsars

Magnetic fields of radio pulsars

The radio emission of anomalous pulsars

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High-frequency cutoff and change of radio emission mechanism in pulsars

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