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VLBI for Gravity Probe B. II. Monitoring of the Structure of the Reference Sources 3C 454.3, B2250 194, and B2252 172
Article
Complete Citation
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Ransom, R. R., Bartel, N., Bietenholz, M. F., Lebach, D. E., Lederman, J. I., Luca, P., Ratner, M. I., and Shapiro, Irwin. 2012. "VLBI for Gravity Probe B. II. Monitoring of the Structure of the Reference Sources 3C 454.3, B2250 194, and B2252 172." The Astrophysical Journal Supplement Series, 201 2. https://doi.org/10.1088/0067-0049/201/1/2.
Abstract
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We used 8.4 GHz very long baseline interferometry images obtained at up
