activity
20112026
most citedPrecessing jet nozzle connecting to a spinning black hole in M87

109 citations · 634 across the 18 of their papers we have counts for

collaborators
Showing astro-ph.IMShow all

7 papers · 1 filter

astro-ph.IM2022★ 16 cited

Overview of the Observing System and Initial Scientific Accomplishments of the East Asian VLBI Network (EAVN)

Kazunori Akiyama, Juan-Carlos Algaba, Tao An +101

The East Asian VLBI Network (EAVN) is an international VLBI facility in East Asia and is operated under mutual collaboration between East Asian countries, as well as part of Southe…

astro-ph.IM2015★ 28 cited

Amplitude Correction Factors of KVN Observations

Sang-Sung Lee, Do-Young Byun, Chung Sik Oh +7

We report results of investigation of amplitude calibration for very long baseline interferometry (VLBI) observations with Korean VLBI Network (KVN). Amplitude correction factors a…

astro-ph.IM2015★ 35 cited

A New Hardware Correlator in Korea: Performance Evaluation using KVN observations

Sang-Sung Lee, Chung Sik Oh, Duk-Gyoo Roh +10

We report results of the performance evaluation of a new hardware correlator in Korea, the Daejeon correlator, developed by the Korea Astronomy and Space Science Institute (KASI) a…

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…