Astronomy and Astrophysics – Astronomy
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993apj...403l..29m&link_type=abstract
Astrophysical Journal, Part 2 - Letters (ISSN 0004-637X), vol. 403, no. 1, p. L29-L31.
Astronomy and Astrophysics
Astronomy
50
Pulsars, Radio Astronomy, Supernova Remnants, H Ii Regions, Magellanic Clouds, Radio Telescopes, X Ray Spectroscopy
Scientific paper
Using the Parkes radio telescope at an observing frequency of 640 MHz, we have detected radio pulses from the 50 ms pulsar, PSR B0540-69, which is associated with the supernova remnant 0540-693 in the Large Magellanic Cloud. This pulsar was discovered at X-ray wavelengths and subsequently detected in the optical band. It has a mean flux density of only 0.4 mJy and a broad pulse profile, similar to that at optical and X-ray wavelengths. The dispersion measure of 146/cu cm pc is somewhat higher than, but not inconsistent with, that for other pulsars located in the Magellanic Clouds.
Johnston Scott
Kaspi Victoria M.
Lyne Andrew G.
Manchester Richard N.
Mar D. P.
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