Timing and searching millisecond pulsars in globular clusters

Details Timing and searching millisecond pulsars in globular clusters Timing and searching millisecond pulsars in globular clusters

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007atnf.prop..646d&link_type=abstract

ATNF proposal P427, Semester: April, 2007

Physics

Stellar, Galactic, Parkes

Scientific paper

Timing the dozen pulsars discovered in P303 is ensuring high quality results: (a) the peculiarities (in position or projected acceleration) of all the 5 millisecond pulsars in NGC6752 suggested the presence of non thermal dynamics in the core, perhaps due to black-holes of intermediate mass; (b) the eclipsing pulsar in NGC6397 appears the best laboratory for studying formation and evolution of exotic binaries. We propose to continue our timing project focusing mostly on NGC6752 at 20cm (in order to measure additional parameters useful to constrain the existence of a black-hole) and NGC6397 at 10cm (for studying the eclipse region and orbital secular evolution). We also request observations in order to confirm candidates resulting from reprocessing of the data with a code sensitive to pulsars in close binaries.

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