HST proper motion confirms the optical detection of PSR B1929+10

Details HST proper motion confirms the optical detection of PSR B1929+10 HST proper motion confirms the optical detection of PSR B1929+10

2002-11-06

arxiv.org/abs/astro-ph/0211103v1

Astronomy and Astrophysics

Astrophysics

4 pages, 2 eps figures. To appear in "Radio Pulsars" (ASP Conf. Ser.), eds M. Bailes, D. Nice, & S. Thorsett

Scientific paper

We have measured the proper motion of the candidate optical counterpart of the old, nearby pulsar PSR B1929+10, using a set of HST/STIS images collected in 2001, 7.2 years after the epoch of the original FOC detection (Pavlov et al. 1996). The yearly displacement, mu=107.3+/-1 mas/yr along a position angle of 64.6+/-0.6 deg, is fully consistent with the most recent VLBA radio measurement. This result provides a robust confirmation of the identification of PSR B1929+10 in the optical band.

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