A LOFAR census of non-recycled pulsars: extending below 80 MHz

Abstract : We present the results from the low-frequency (40--78 MHz) extension of the first LOFAR pulsar census of non-recycled pulsars. We have used the Low-Band Antennas of the LOFAR core stations to observe 87 pulsars out of 158 that have been detected previously with the High-Band Antennas. Forty-three pulsars have been detected and we present here their flux densities and flux-calibrated profiles. Seventeen of these pulsars have not been, to our knowledge, detected before at such low frequencies. We re-calculate the spectral indices using the new low-frequency flux density measurements from the LOFAR census and discuss the prospects of studying pulsars at the very low frequencies with the current and upcoming facilities, such as NenuFAR.
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https://hal.archives-ouvertes.fr/hal-02350055
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Submitted on : Tuesday, November 5, 2019 - 10:00:57 PM
Last modification on : Thursday, November 7, 2019 - 1:45:40 AM

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A.V. Bilous, L. Bondonneau, V.I. Kondratiev, J.-M. Grießmeier, G. Theureau, et al.. A LOFAR census of non-recycled pulsars: extending below 80 MHz. 2019. ⟨hal-02350055⟩

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