The origin and motion of PSR J0538+2817 in S147

C. Y. Ng, Roger W. Romani, Walter F. Brisken, Shami Chatterjee, Michael Kramer

    Research output: Contribution to journalArticlepeer-review


    We report on Very Long Baseline Array (VLBA) astrometry and Chandra imaging of PSR J0538+2817 in the supernova remnant S147. We measure a parallax distance of 1.47-0.27+0.42 kpc along with a high-precision proper motion, giving a transverse velocity V⊥ = 400-73+114 km s-1. A small extended wind nebula is detected around the pulsar; the symmetry axis of this structure suggests that the spin axis lies 12° ± 4° from the velocity vector (two-dimensional), but the emission is too faint for robust model-independent statements. The neutron star is hot, consistent with the young ∼40 kyr kinematic age. The pulsar progenitor is likely a runaway from a nearby cluster, with NGC 1960 (M36) a leading candidate. © 2007. The American Astronomical Society. All rights reserved.
    Original languageEnglish
    Pages (from-to)487-493
    Number of pages6
    JournalAstrophysical Journal
    Issue number1 I
    Publication statusPublished - 1 Jan 2007


    • Astrometry
    • Pulsars: individual (PSR J0538+2817)
    • Stars: kinematics
    • Supernovae: individual (S147)


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