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The Parsec-Scale Jets of the TeV Blazars H 1426+428, 1ES 1959+650, and PKS 2155-304: 2001-2004
B. Glenn Piner, Niraj Pant, Philip G. Edwards
We present Very Long Baseline Array (VLBA) observations of the TeV blazars H 1426+428, 1ES 1959+650, and PKS 2155-304 obtained during the years 2001 through 2004. We observed H 142…
The VSOP 5 GHz Active Galactic Nucleus Survey: V. Imaging Results for the Remaining 140 sources
R. Dodson, E. B. Fomalont, K. Wiik +21
In February 1997, the Japanese radio astronomy satellite HALCA was launched to provide the space-bourne element for the VLBI Space Observatory Programme (VSOP) mission. Approximate…
Relativistic Jets in The Radio Reference Frame Image Database I: Apparent Speeds from the First Five Years of Data
B. G. Piner, M. Mahmud, A. L. Fey +1
(Abridged) We present the results of an analysis of relativistic jet apparent speeds from VLBI images in the Radio Reference Frame Image Database (RRFID). The images are snapshot V…
The Fastest Relativistic Jets: VLBA Observations of Blazars with Apparent Speeds Exceeding 25c
B. G. Piner, D. Bhattarai, P. G. Edwards +1
We have measured peak apparent speeds of 25.6 +/- 7.0c, 25.6 +/- 4.4c, and 28.2 +/- 6.6c in the jets of 0235+164, 0827+243, and 1406-076, respectively, based on six epochs of high-…
VLBA Polarization Observations of Markarian 421 After a Gamma-Ray High State
B. Glenn Piner, Philip G. Edwards
We present four high dynamic range, dual-circular polarization, Very Long Baseline Array (VLBA) observations at 22 GHz of Markarian 421, taken throughout the year following the sou…
Current Results from the RRFID Kinematic Survey: Apparent Speeds from the First Five Years of Data
B. G. Piner, A. L. Fey, M. Mahmud
We present current results from our ongoing project to study the parsec-scale relativistic jet kinematics of sources in the U.S. Naval Observatory's Radio Reference Frame Image Dat…