Detection of radio emission from the AXP 4U 0142+61

Details Detection of radio emission from the AXP 4U 0142+61 Detection of radio emission from the AXP 4U 0142+61

Nov 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010arep...54..995m&link_type=abstract

Astronomy Reports, Volume 54, Issue 11, pp.995-999

Astronomy and Astrophysics

Astronomy

5

Scientific paper

The detection of pulsed radio emission from the X-ray pulsar AXP 4U 0142+61 with a period of P = 8.68832935(6) s and a period derivative of dot P = 18.713(4) × 10-13 s/s is reported. The observations were carried out on two high-sensitivity radio telescopes of the Pushchino Radio Astronomy Observatory: the Large Phased Array at 111MHz and the DKR-1000 at 40MHz.Mean pulse profiles are presented; the measured flux density is S 111 = 30 ± 20 mJy. The estimated distance derived from the dispersion measure, 27 pc/cm3, is 1.4 kpc, and the integrated radio luminosity is L R = 1.5 × 1027 erg/cm. Comparison with X-ray data shows an appreciable difference in the pulse duration (the radio pulse is about a factor of 20 more narrow) and strong variations in the flux density.

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