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6 papers
The extreme flare in III Zw 2: Evolution of a radio jet in a Seyfert galaxy
A. Brunthaler, H. Falcke, G. C. Bower +3
A very detailed monitoring of a radio flare in the Seyfert I galaxy III Zw 2 with the VLA and the VLBA is presented. The relative astrometry in the VLBA observations was precise on…
Supernova OH (1720 MHz) Masers in Sgr A East, W28 and G359.1-0.5
F. Yusef-Zadeh, D. A. Roberts, G. Bower +1
A new class of OH (1720 MHz) masers unaccompanied by main-line transitions have recently been discovered (Frail, Goss and Slysh 1994). These masers lie at the interface between sup…
III Zw 2: superluminal expansion and compact lobe expansion in a Seyfert galaxy
A. Brunthaler, H. Falcke, G. C. Bower +3
So far, all relativistically boosted jets with superluminal motion have only been detected in typical radio galaxies with early type host galaxies. We have now discovered superlumi…
Polarization in Sagittarius A*
Geoffrey C. Bower
We summarize the current state of polarization observations of Sagittarius A*, the compact radio source and supermassive black hole candidate in the Galactic Center. These observat…
III Zw 2, the first superluminal jet in a Seyfert galaxy
Andreas Brunthaler, Heino Falcke, Geoffrey C. Bower +6
So far all relativistically boosted jets with superluminal motion have only been detected in typical radio galaxies with early type host galaxies. We have now discovered superlumin…
VLBA Imaging at 7 mm and Linear Polarimetric Observations at 6 cm and 3 mm of Sagittarius A*
Geoffrey C. Bower, Heino Falcke, Don Backer +1
We summarize the results of 7 mm VLBA imaging of Sgr A* and discuss some of the difficulties of accurately constraining the size of Sgr A* with VLBI observations. Our imaging resul…