VLBI Astrometry of the Planetary-System Millisecond Pulsar B1257+12

Details VLBI Astrometry of the Planetary-System Millisecond Pulsar B1257+12 VLBI Astrometry of the Planetary-System Millisecond Pulsar B1257+12

Dec 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996aas...189.9205n&link_type=abstract

American Astronomical Society, 189th AAS Meeting, #92.05; Bulletin of the American Astronomical Society, Vol. 28, p.1395

Astronomy and Astrophysics

Astronomy

Scientific paper

VLBI astrometry observations of millisecond pulsars combined with timing measurements can be used to directly tie the solar-system dynamic reference frame to the extragalactic reference frame. From observations with a VLBI array of four antennas in Europe and the U.S.A. at a frequency of 1.6 MHz on 20 - 21 June 1992 we determined the coordinates of PSR B1257+12 in the IERS extragalactic reference frame with an accuracy of a few milliarcseconds. We will compare our position determination with previous interferometric and pulse timing positions and discuss prospects for a direct frame tie via millisecond pulsar observations.

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