The Search for the Pulsar in SN 1986J

Details The Search for the Pulsar in SN 1986J The Search for the Pulsar in SN 1986J

Jan 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aas...21343602s&link_type=abstract

American Astronomical Society, AAS Meeting #213, #436.02; Bulletin of the American Astronomical Society, Vol. 41, p.306

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Scientific paper

In 1986, a supernova that almost certainly produced a neutron star was observed in relatively nearby galaxy NGC 891. Over the last 20 years, VLBI observations have shown the expansion of the supernova remnant, and recently, the appearance of what is possibly a pulsar wind nebula in its center. Two years ago we used the GBT to observe SN1986J for 16 hours in order to search for the very young pulsar. In summer 2008 the data taken were searched using a local computer cluster in Charlottesville. Because of the nature of the data, a significant amount of work (involving python programming and low-level data analysis) was required to clean the data of interference and other artifacts. Once the data was cleaned, two different search methods were used to examine the data: a singlepulse search, looking for large, extra-bright pulses; and a frequency search, looking for periodic pulses. Although nothing has been found yet, if a pulsar is found, it will be by far the brightest, most distant, and youngest pulsar known. This work was funded by the NRAO.

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