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On the Radio Emission of the Geminga Pulsar and RBS 1223 at the Frequency of 111 MHz

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Abstract

Observations on the search for pulsed radio emission from the Geminga pulsar and the close isolated neutron star 1RX J1308.6+2127 (RBS 1223) at the frequency of 111 MHz are performed. No pulsed signals are detected from both sources. Upper limits for the average flux density are determined as 0.4–4 mJy for the Geminga pulsar and 1.5–15 mJy for RBS 1223 depending on the assumed duty cycle (0.05–0.5) at the frequency of 111 MHz.

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ACKNOWLEDGMENTS

The author is grateful to researchers of the Pushchino Radio Astronomy Observatory, Astro Space Center, Lebedev Physical Institute, for the assistance in preparation and performance of observations, S.A. Tyulbashev and the reviewer for their helpful remarks, as well as J.P. Halpern (Columbia University), who kindly sent the updated ephemerides of the Geminga pulsar.

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  1. Pushchino Radio Astronomy Observatory, Astro Space Center, Lebedev Physical Institute, Russian Academy of Science, 142290, Pushchino, Moscow oblast, Russia

    A. A. Ershov

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  1. A. A. Ershov
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Correspondence to A. A. Ershov.

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Translated by A. Kazantsev

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Ershov, A.A. On the Radio Emission of the Geminga Pulsar and RBS 1223 at the Frequency of 111 MHz. Bull. Lebedev Phys. Inst. 48, 114–118 (2021). https://doi.org/10.3103/S1068335621040023

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