Astrometric VLBI Observation of PSR 0329+54

Details Astrometric VLBI Observation of PSR 0329+54 Astrometric VLBI Observation of PSR 0329+54

Oct 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999pasj...51..595s&link_type=abstract

Publications of the Astronomical Society of Japan, v.51, p.595.

Astronomy and Astrophysics

Astronomy

2

Astrometry, Pulsars: Individual (Psr 0329+54), Proper Motion, Techniques: Interferometric, Vlbi

Scientific paper

We conducted VLBI experiments on the pulsar PSR 0329+54 with the Kashima (Japan)-Kalyazin (Russia) baseline in 1995 March and 1996 May. An absolute astrometric measurement was applied by using the analysis software SOLVE and CALC, which were developed by NASA/GSFC for geodesy and astrometry. Our measurement results are consistent with the former results of a VLBI observation by Bartel et al. (1985, AAA 39.041.005) and a VLA observation by Fomalont et al. (1984, AAA 38.041.014) when proper motion (Harrison et al. 1993, AAA 57.126.049) is taken into account. By using our data set and Bartel et al.'s data, the most precise proper motion and pulsar position in ICRF were obtained. The proper motion as mu_ alpha : 17.3 +/- 0.8 mas yr-1, mu_ delta : -11.5 +/- 0.6 mas yr-1 and the coordinates at the epoch of 1995.0 are alpha :03h32m59.s376 +/- 0.001, and delta :54deg 34' 43.''504 +/- 0.007 .

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