activity
20012019
most citedPilot KaVA monitoring on the M87 jet: confirming the inner jet structure and superluminal motions at sub-pc scales

63 citations · 261 across the 10 of their papers we have counts for

collaborators

10 papers

astro-ph.GA2019★ 18 cited

Jet Kinematics of the Quasar 4C +21.35 from Observations with the KaVA Very Long Baseline Interferometry Array

Taeseok Lee, Sascha Trippe, Motoki Kino +39

We present the jet kinematics of the flat spectrum radio quasar (FSRQ) 4C +21.35 using time-resolved KaVA very long baseline interferometry array radio maps obtained from September…

astro-ph.HE2017★ 63 cited

Pilot KaVA monitoring on the M87 jet: confirming the inner jet structure and superluminal motions at sub-pc scales

Kazuhiro Hada, Jong Ho Park, Motoki Kino +34

We report the initial results of our high-cadence monitoring program on the radio jet in the active galaxy M87, obtained by the KVN and VERA Array (KaVA) at 22 GHz. This is a pilot…

astro-ph.IM2014★ 28 cited

Astrometrically Registered Simultaneous Observations of the 22 GHz HO and the 43GHz SiO masers towards R Leonis Minoris using KVN and Source/Frequency Phase Referencing

Richard Dodson, María J. Rioja, Tae-Hyun Jung +22

Oxygen-rich Asymptotic Giant Branch (AGB) stars can be intense emitters of SiO (=1 and 2, J=10) and HO maser lines at 43 and 22 GHz, respectively. VLBI observat…

astro-ph.IM2014★ 35 cited

Verification of the Astrometric Performance of the Korean VLBI Network, using comparative SFPR studies with the VLBA at 14/7 mm

María J. Rioja, Richard Dodson, TaeHyun Jung +23

The Korean VLBI Network (KVN) is a new mm-VLBI dedicated array with capability for simultaneous observations at multiple frequencies, up to 129 GHz. The innovative multi-channel re…

astro-ph.IM2014★ 44 cited

VLBI observations of bright AGN jets with KVN and VERA Array (KaVA): Evaluation of Imaging Capability

Kotaro Niinuma, Sang-Sung Lee, Motoki Kino +69

The Korean very-long-baseline interferometry (VLBI) network (KVN) and VLBI Exploration of Radio Astrometry (VERA) Array (KaVA) is the first international VLBI array dedicated to hi…

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…