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Distribution of ionized gas density measured by differential VLBI Observations of pulsars

Published online by Cambridge University Press:  20 March 2013

Osamu Kameya
Osamu Kameya*
Affiliation:
National Astronomical Observatory of Japan, Japan email: kameya@miz.nao.ac.jp
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Abstract

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Differential VLBI observations of pulsars in our Galaxy can derive trigonometric parallax of them. Distance to pulsars derived by the parallax are very important to estimate some mean density of ionized gas between pulsars and the earth using rotation measures of them. Some preliminary results of distribution of the ionized gas density in our galaxy by using previous VLBI results are shown. Possibility of VLBI observations of pulsars using VERA and the other VLBI antennas will be described.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 8 , Symposium S291: Neutron Stars and Pulsars: Challenges and Opportunities after 80 years , August 2012 , pp. 417
Copyright
Copyright © International Astronomical Union 2013