activity
20012026
most citedVLBI observations of bright AGN jets with KVN and VERA Array (KaVA): Evaluation of Imaging Capability

44 citations · 153 across the 10 of their papers we have counts for

collaborators

10 papers

astro-ph.IM2026

3.5-meter Segmented-Mirror Robotic Space Telescope Mission White Paper I. Overall Architecture and Scientific Mission

Yong-Woo Kang, Sang Hyun Lee, Juhan Kim +22

We present the preliminary science concept and mission architecture of a 3.5-meter segmented-mirror robotic space telescope currently under study. The observatory is conceived as a…

astro-ph.IM2026

3.5-meter Segmented-Mirror Robotic Space Telescope Mission White Paper V. Key Scientific Mission: Compact-Object Time-Domain Science

Juhan Kim, Yong-Woo Kang, Sang Hyun Lee +22

An isolated compact object retains the point-source resolving power of the space-based slitless spectrograph. The baseline wavelength range is 0.2--1.5 m. The planning baseline…

astro-ph.IM2026

3.5-meter Segmented-Mirror Robotic Space Telescope Mission White Paper IV. Key Scientific Mission: Solar-System Small Bodies and Planetary Defense

Juhan Kim, Yong-Woo Kang, Sang Hyun Lee +22

The baseline 0.2--1.5 m observatory provides rapid-response astrometry, visible and near-infrared taxonomy, rotation and phase curves, recovery, and long-arc orbit improvement f…

astro-ph.IM2026

3.5-meter Segmented-Mirror Robotic Space Telescope Mission White Paper III. Key Scientific Mission: Exoplanet Science with a Coronagraph

Juhan Kim, Sang Hyun Lee, Yong-Woo Kang +22

This volume defines the exoplanet science program enabled by the dedicated high-contrast coronagraph in the baseline science payload of the 3.5-meter Segmented-Mirror Robotic Space…

astro-ph.IM2026

3.5-meter Segmented-Mirror Robotic Space Telescope Mission White Paper II. Key Scientific Mission: Wide-Field Cosmology and Galaxy Evolution

Juhan Kim, Yong-Woo Kang, Sang Hyun Lee +22

The 3.5-meter Segmented-Mirror Robotic Space Telescope uses an image slicer for all spectroscopic observations. The planning baseline uses for the wide survey and r…

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…

astro-ph2001★ 18 cited

Raman Scattered He II Line in the Planetary Nebula M2-9 and the Symbiotic Stars RR Telescopii and He 2-106

Hee-Won Lee, Yong-Woo Kang, Yong-Ik Byun

In this Letter, we report the detection of an emission feature around 6545 Åin the spectra of the bipolar planetary nebula M2-9 and the symbiotic stars RR Telescopii and He 2-106 a…