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- W2146671310 abstract "Abstract We present first results of global VLBI astrometric pulsar parallax and proper motion measurements (phase-reference). The aim is to obtain information on pulsar motions and pulsar birthplaces. Proper motions could provide answers to questions like: How large are pulsar velocities at birth? How are these velocities produced and what is the final galactic pulsar distribution? Identification of birthplaces (with, e.g., an OB-association) provides information on the pulsar progenitor population (the fraction of pulsars born in binaries; the mass range of the progenitors etc.). We have a first epoch on three pulsars, selected on the basis of age (young < 3 Myr), flux density (relatively strong) and presence in the solar neighborhood ( d < 3 kpc). Gating increases the SNR by typically a factor of 5." @default.
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- W2146671310 date "1998-01-01" @default.
- W2146671310 modified "2023-09-26" @default.
- W2146671310 title "Determining Motions and Birthplaces of Pulsars through VLBI Astrometry" @default.
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- W2146671310 doi "https://doi.org/10.1017/s025292110004608x" @default.
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