activity
20032026
most citedAstrometry of Water Maser Sources in Nearby Molecular Clouds with VERA - II. SVS 13 in NGC 1333

261 citations · 1.4k across the 24 of their papers we have counts for

collaborators
Showing astro-ph.GAShow all

7 papers · 1 filter

astro-ph.GA2026

First Trigonometric Parallax Measurements with the KVN and VERA Array (KaVA)

Nobuyuki Sakai, Daisuke Sakai, Noriyuki Kawaguchi +26

To demonstrate the astrometric capability of the combined Korean VLBI (Very Long Baseline Interferometry) Network (KVN) and VLBI Exploration of Radio Astrometry (VERA) Array (KaVA)…

astro-ph.GA2024★ 6 cited

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…

astro-ph.GA2023

Astrometric VLBI observations of HO masers in an extreme OH/IR star candidate NSV17351

Akiharu Nakagawa, Atsushi Morita, Nobuyuki Sakai +14

Results of astrometric very long baseline interferometry (VLBI) observations towards an extreme OH/IR star candidate NSV17351 are presented. We used the VERA (VLBI Exploration of R…

astro-ph.GA2022★ 6 cited

EAVN Astrometry toward the Extreme Outer Galaxy: Kinematic distance with the proper motion of G034.84-00.95

Nobuyuki Sakai, Bo Zhang, Shuangjing Xu +22

We aim to reveal the structure and kinematics of the Outer-Scutum-Centaurus (OSC) arm located on the far side of the Milky Way through very long baseline interferometry (VLBI) astr…

astro-ph.GA2020★ 95 cited

The First VERA Astrometry Catalog

VERA collaboration, Tomoya Hirota, Takumi Nagayama +59

We present the first astrometry catalog from the Japanese VLBI (very long baseline interferometer) project VERA (VLBI Exploration of Radio Astrometry). We have compiled all the ast…

astro-ph.GA2014★ 28 cited

The First Very Long Baseline Interferometry Image of 44 GHz Methanol Maser with the KVN and VERA Array (KaVA)

Naoko Matsumoto, Tomoya Hirota, Koichiro Sugiyama +58

We have carried out the first very long baseline interferometry (VLBI) imaging of 44 GHz class I methanol maser (7_{0}-6_{1}A^{+}) associated with a millimeter core MM2 in a massiv…