The binary pulsar observed at four radio frequencies

Details The binary pulsar observed at four radio frequencies The binary pulsar observed at four radio frequencies

Aug 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977natur.268..606l&link_type=abstract

Nature, vol. 268, Aug. 18, 1977, p. 606, 607.

Astronomy and Astrophysics

Astronomy

2

Binary Stars, Microwave Frequencies, Pulsars, Radio Astronomy, Stellar Systems, Microwave Spectra, Spectral Line Width

Scientific paper

The only known pulsar which is a member of a binary stellar system, PSR1913 + 16, was observed at radio frequencies of 327, 408, 610 and 1420 MHz. Pulse profiles for times amounting to between one to one and one-half of the binary system's orbital period are given. It is noted that at low frequencies no significant broadening of the pulses by scattering in the interstellar medium seems to occur. The radio spectrum of PSR1913 + 16 is also discussed; the spectral index recorded in the four frequency ranges is found to be -1.5 plus or minus 0.3, which is typical of many other pulsars.

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