papers
Publications (9)
astro-ph.IM2012
VLBI for Gravity Probe B. I. Overview
I. I. Shapiro, N. Bartel, M. F. Bietenholz +4
astro-ph1999
High precision difference astrometry applied to the triplet of S5 radio sources B1803+784/Q1928+738/B2007+777
E. Ros, J. M. Marcaide, J. C. Guirado +5
astro-ph.IM2012
VLBI for Gravity Probe B. V. Proper Motion and Parallax of the Guide Star, IM Pegasi
M. I. Ratner, N. Bartel, M. F. Bietenholz +4
astro-ph2000
Towards global-phase-delay VLBI astrometry: observations of QSO 1150+812 and BL 1803+784
M. A. Perez-Torres, J. M. Marcaide, J. C. Guirado +4
astro-ph.IM2012
VLBI for Gravity Probe B. VII. The Evolution of the Radio Structure of IM Pegasi
M. F. Bietenholz, N. Bartel, D. E. Lebach +3
astro-ph.IM2012
VLBI for Gravity Probe B. VI. The Orbit of IM Pegasi and the Location of the Source of Radio Emission
R. R. Ransom, N. Bartel, M. F. Bietenholz +4
astro-ph.IM2012
VLBI for Gravity Probe B. II. Monitoring of the Structure of the Reference Sources 3C 454.3, B2250+194, and B2252+172
R. R. Ransom, N. Bartel, M. F. Bietenholz +5
astro-ph.IM2012
VLBI for Gravity Probe B. III. A Limit on the Proper Motion of the "Core" of the Quasar 3C 454.3
N. Bartel, M. F. Bietenholz, D. E. Lebach +5
astro-ph2003
VLBI imaging of the RS CVn binary star system HR 5110
R. R. Ransom, N. Bartel, M. F. Bietenholz +4