173 citations · 1.4k across the 47 of their papers we have counts for
47 papers
Trigonometric parallax and proper motion of Sagittarius A* measured by VERA using the new broad-band back-end system OCTAVE-DAS
Tomoaki Oyama, Takumi Nagayama, Aya Yamauchi +12
We successfully measured the trigonometric parallax of Sagittarius A* (Sgr A*) to be micro-arcseconds (as) using the VLBI Exploration of Radio Astrometry (VERA) with…
Probing the Heart of Active Narrow-line Seyfert 1 Galaxies with VERA Wideband Polarimetry
Mieko Takamura, Kazuhiro Hada, Mareki Honma +9
We explored the parsec-scale nuclear regions of a sample of radio-loud narrow-line Seyfert 1 galaxies (NLSy1s) using the VLBI Exploration of Radio Astronomy (VERA) wideband (at a r…
Off-nuclear H2O maser and dense molecular gas in NGC1068
Yoshiaki Hagiwara, Willem A. Baan, Masatoshi Imanishi +1
The results of high-resolution spectral-line observations of dense molecular gas are presented towards the nuclear region of the type 2 Seyfert galaxy NGC1068. MERLIN observations…
The Past and Future of East Asia to Italy: Nearly Global VLBI
Gabriele Giovannini, Yuzhu Cui, Kazuhiro Hada +29
We present here the East Asia to Italy Nearly Global VLBI (EATING VLBI) project. How this project started and the evolution of the international collaboration between Korean, Japan…
Spectral analysis of a parsec-scale jet in M87: Observational constraint on the magnetic field strengths in the jet
Hyunwook Ro, Motoki Kino, Bong Won Sohn +49
Because of its proximity and the large size of its black hole, M87 is one of the best targets for studying the launching mechanism of active galactic nucleus jets. Currently, magne…
Demonstration of Ultrawideband Polarimetry Using VLBI Exploration of Radio Astrometry (VERA)
Yoshiaki Hagiwara, Kazuhiro Hada, Mieko Takamura +3
We report on recent technical developments in the front- and back-ends for the four 20 m radio telescopes of the Japanese Very-Long-Baseline Interferometry (VLBI) project, VLBI Exp…