The Mass of PSR J1933-6211

We propose timing observations of the millisecond pulsar J1933-6211, which is likely to be the least heavy neutron star known. Measurement of its mass will have significant impact on supernova models, neutron star accretion efficiencies and neutron star formation scenarios. Following the observations of last term, we have now modelled the binary orbit sufficiently well to allow a significant Shapiro delay measurement in a small amount of (well planned) observing time. Previous observations indicate that the proposed 12 hours of observations will allow sufficient timing precision, notwithstanding the strongly scintillating character of this pulsar.

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