Space VLBI
Outline
Why do Space VLBI?
SVLBI Concept
SVLBI -- First Generations
The VSOP Antenna
Orbital elements
Sample (u,v) Coverages
(u,v) Coverage vs. Position
Orbital Precession
3C273 - 2 yr of (u,v) Coverage
Space Radio Telescope (SRT)
SRT Block Diagram
Observing Constraints
All-sky (u,v) - No Constraints
All-sky (u,v) With Constraints
3C273 - No Constraints
3C273 - With Constraints
Correlation
Time-Correction File
Sample Time-Correction File
Effect of Time-Correction File
Correlator Model Complexity
Fringe Searching
Coherence Losses
Imaging and Modelling
Self-Calibration
VSOP (u,v) Coverage -- 1997
VSOP Image of 1633+382
More VSOP Images
Future -- VSOP-2
Future -- ARISE
ARISE Artist’s Conception
US VSOP2 Home Page: http://www.vsop2.nrao.edu/
Other information: Lecture presented at the 2000 Synthesis Imaging Summer School, June 20-27 Socorro, NM