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The East-Asian VLBI Network
Kiyoaki Wajima, Yoshiaki Hagiwara, Tao An +14
The East-Asian VLBI Network (EAVN) is the international VLBI facility in East Asia and is conducted in collaboration with China, Japan, and Korea. The EAVN consists of VLBI arrays…
Demonstration of KVN phase referencing capability
Evangelia Tremou, Taehyun Jung, Aeree Chung +1
We present the results of Very Long Baseline Interferometry (VLBI) observations using the phase reference technique to detect weak Active Galactic Nuclei (AGN) cores in the Virgo c…
The Power of Simultaneous Multi-Frequency Observations for mm-VLBI: Astrometry up to 130 GHz with the KVN
Maria J. Rioja, Richard Dodson, Taehyun Jung +1
Simultaneous observations at multiple frequency bands have the potential to overcome the fundamental limitation imposed by the atmospheric propagation in mm-VLBI observations. The…
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…
ALMA Observations of Asteroid 3 Juno at 60 Kilometer Resolution
ALMA Partnership, T. R. Hunter, R. Kneissl +67
We present Atacama Large Millimeter/submillimeter Array (ALMA) 1.3 mm continuum images of the asteroid 3 Juno obtained with an angular resolution of 0.042 arcseconds (60 km at 1.97…
First Results from High Angular Resolution ALMA Observations Toward the HL Tau Region
ALMA Partnership, C. L. Brogan, L. M. Perez +82
We present Atacama Large Millimeter/submillimeter Array (ALMA) observations from the 2014 Long Baseline Campaign in dust continuum and spectral line emission from the HL Tau region…
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…