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16 April 2024

» arxiv » 1309.0558

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Detection and Flux Density Measurements of the Millisecond Pulsar J2145-0750 below 100 MHz
J. Dowell ; P. S. Ray ; G. B. Taylor ; J. N. Blythe ; T. Clarke ; J. Craig ; S. W. Ellingson ; J. F. Helmboldt ; P. A. Henning ; T. J. W. Lazio ; F. Schinzel ; K. Stovall ; C. N. Wolfe ;
Date:	3 Sep 2013
Abstract:	We present flux density measurements and pulse profiles for the millisecond pulsar PSR J2145-0750 spanning 37 to 81 MHz using data obtained from the first station of the Long Wavelength Array. These measurements represent the lowest frequency detection of pulsed emission from a millisecond pulsar to date. We find that the pulse profile is similar to that observed at 102 MHz. We also find that the flux density spectrum between ~40 MHz to 5 GHz is suggestive of a break and may be better fit by a model that includes spectral curvature with a rollover around 730 MHz rather than a single power law.
Source:	arXiv, 1309.0558
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