ASPCS
 

Witzel, A.

Volume Paper Title Page Number Authors
19 Astrometry of SiO masers 338 Colomer, F.; Graham, D.; Krichbaum, T.; Ronnang, B. O.; de Vicente, P.; Barcia, A.; Booth, R. S.; Witzel, A.; Gomez-Gonzalez, J.; Baudry, A.
93 Rate of Expansion and Spectral-index Map of SN 1993J 156 Marcaide, J. M.; Alberdi, A.; Ros, E.; Diamond, P.; Shapiro, I. I.; Guirado, J. C.; Jones, D. L.; Krichbaum, T. P.; Mantovani, F.; Preston, R. A.; Rius, A.; Schilizzi, R. T.; Trigilio, C.; Whitney, A. R.; Witzel, A.
100 Spectral Evolution of the Intraday Variations in the QSO 0917+624 55 Qian, S. J.; Witzel, A.; Kraus, A.; Krichbaum, T. P.; Britzen, S.
100 A Burst-Injection Model for the Spectral Evolution of Superluminal Radio Knots 61 Qian, S. J.; Witzel, A.; Britzen, S.; Kraus, T. A.
144 Sub-mas Jets in Gamma-Active Blazars: Results from High Frequency VLBI 37 Krichbaum, T. P.; Kraus, A.; Otterbein, K.; Britzen, S.; Witzel, A.; Zensus, J. A.
144 Monthly VLBI Monitoring of Selected Gamma-Bright Quasars 43 Britzen, S.; Witzel, A.; Krichbaum, T. P.; Roland, J.; Wagner, S. J.
144 S5 0836+710 A Kelvin-Helmholtz Unstable Jet on Parsec Scales? 73 Otterbein, K.; Krichbaum, T. P.; Kraus, A.; Witzel, A.; Hummel, C. A.; Zensus, J. A.
144 Some Theoretical Studies of Two Gamma-Ray Blazars: PKS 0528+134 and MRK 421 93 Qian, S. J.; Zhang, X. Z.; Witzel, A.; Krichbaum, T. P.; Britzen, S.; Kraus, A.
144 A Multi-Frequency VLBI Total Intensity and Polarization Study of the BL Lacertae Object 0716+714 173 Kovalev, Y. Y.; Gabuzda, D. C.; Krichbaum, T. P.; Alef, W.; Witzel, A.
144 Polarization Properties of Intraday Variable Blazars 277 Kraus, A.; Krichbaum, T. P.; Witzel, A.
144 High Precision Astrometry with Closure Constraints 389 Ros, E.; Marcaide, J. M.; Guirado, J. C.; Ratner, M. I.; Shapiro, I. I.; Krichbaum, T. P.; Witzel, A.; Preston, R. A.
159 Intraday Variability in BL Lac Objects and Quasars 49 Kraus, A.; Krichbaum, T. P.; Witzel, A.
159 Unusual Radio Variability in the BL Lac Object 0235+164 67 Kraus, A.; Quirrenbach, A.; Lobanov, A.; Krichbaum, T. P.; Schneider, P.; Wagner, S. J.; Heidt, J.; Bock, H.; Witzel, A.; Aller, M.; Aller, H.
159 Possible Accelerating Motion of IR-mm Flaring Blobs in Blazars 443 Qian, S.; Witzel, A.; Krichbaum, T. P.; Kraus, A.; Zensus, J. A.; Zhang, X.
186 VLBI Observations of the Galactic Center Source SGR A* at 86 GHz and 215 GHz 89 Krichbaum, T. P.; Witzel, A.; Zensus, J. A.
250 Models of polarized and variable radio emission in the IDV source 0917+624 147 Beckert, T.; Kraus, A.; Krichbaum, T. P.; Witzel, A.; Zensus, J. A.
250 A high-frequency and multi-epoch VLBI study of 3C 273 184 Krichbaum, T. P.; Graham, D. A.; Witzel, A.; Zensus, J. A.; Greve, A.; Grewing, M.; Marscher, A.; Beasley, A. J.
299 Millimeter VLBI and Variability in AGN Jets 249 Krichbaum, T.P.; Graham, D.A.; Witzel, A.; Zensus, J.A.; Greve, A.; Ungerechts, H.; Grewing, M.
340 Multi-Frequency & Multi-Epoch VLBI Study of Cygnus A 30 Bach, U.; Kadler, M.; Krichbaum, T.P.; Middelberg, E.; Alef, W.; Witzel, A.; Zensus, J.A.
340 Quasi-Periodic Changes in the Parsec-Scale Jet of 3C345 40 Klare, J.; Zensus, J.A.; Lobanov, A.P.; Ros, E.; Krichbaum, T.P.; Witzel, A.
340 Approaching NGC3079 with VLB 140 Middelberg, E.; Krichbaum, T.P.; Roy, A.L.; Witzel, A.; Zensus, J.A.
340 Kinematic Study of the Blazar 0716+714 446 Bach, U.; Krichbaum, T.P.; Ros, E.; Witzel, A.; Zensus, J.A.; Britzen, S.
340 Extending VLBI to 2mm and 1mm Wavelengths 605 Doeleman, S.S.; Phillips, R.B.; Rogers, A.E.E.; Attridge, J.M.; Titus, M.A.; Smythe, D.L.; Cappallo, R.J.; Buretta, T.A.; Whitney, A.R.; Krichbaum, T.; Graham, D.A.; Alef, W.; Polatidis, A.; Bach, U.; Kraus, A.; Witzel, A.; Wilson, T.; Zensus, J.A.; Greve, A.; Grewing, M.; Freund, R.; Ziurys, L.; Fagg, H.; Strittmatter, P.
386 NRAO 150: A Recently Identified Quasar Revealing Extreme Non-Ballistic Motion 249 Agudo, I.; Bach, U.; Krichbaum, T.P.; Marscher, A.P.; Gonidakis, I.; Diamond, P.J.; Alef, W.; Graham, D.; Witzel, A.; Zensus, J.A.; Bremer, M.; Acosta-Pulido, J.A.; Barrena, R.
402 VSOP Observations of the Blazar S5 2007+77 155 Gabányi, K.É.; Krichbaum, T.P.; Kraus, A.; Witzel, A.; Zensus, J.A.
402 Space VLBI Polarimetry of IDV Sources: Lessons from VSOP and Prospects for VSOP-2 252 Bach, U.; Krichbaum, T.P.; Bernhart, S.; Impellizzeri, C.M.V.; Kraus, A.; Fuhrmann, L.; Witzel, A.; Zensus, J.A.
439 High-Frequency Inter-day VLBI Monitoring of Sgr A* 331 Lu, R.; Krichbaum, T. P.; Eckart, A.; König, S.; Kunneriath, D.; Witzel, G.; Witzel, A.; Zensus, J. A.
528 Testing Fundamental Physics With Stellar Orbits at the Galactic Center 249 Do, T.; Hees, A.; Ghez, A.; Martinez, G. D.; Chu, D. S.; Jia, S.; Sakai, S.; Lu, J. R.; Gautam, A. K.; O'Neil, K. K.; Becklin, E. E.; Morris, M. R.; Matthews, K.; Nishiyama, S.; Campbell, R.; Chappell, S.; Chen, Z.; Ciurlo, A.; Witzel, A.; Gallego-Cano, E.; Kerzendorf, W. E.; Lyke, J. E.; Naoz, S.; Saida, H.; Schödel, R.; Takahashi, M.; Takamori, Y.; Witzel, G.; Wizinowich, P.; Roberts, B. M.