Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990ap%26ss.171..351s&link_type=abstract
(IAU, European Regional Astronomy Meeting, 11th, La Laguna, Spain, July 3-8, 1989) Astrophysics and Space Science (ISSN 0004-640
Astronomy and Astrophysics
Astrophysics
2
Neutron Stars, Pulsars, Radio Emission, Radio Telescopes, Synthetic Apertures, Low Frequencies, Signal To Noise Ratios, Stellar Rotation
Scientific paper
By modifying the online software of the Westerbork Synthesis Radio Telescope it is possible to sample the radio emission from a field containing a pulsar synchronously with the pulsed signal. Recording the emission from eight separate temporal windows, the on-pulse and off-pulse signals can be observed simultaneously. This technique is being used for three different kinds of pulsar investigation: (1) to check and improve the positions of some pulsars, (2) to look for unpulsed components, and (3) to search for weak extended emission around pulsars. Observations have been carried out at 6, 21, 49, and 92 cm. Examples of results from all three types of investigation are given.
Strom Richard G.
van Someren Gréve H. W.
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