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20152026
most citedFirst Sagittarius A* Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole in the Center of the Milky Way

1.9k citations · 6.2k across the 69 of their papers we have counts for

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Showing 2017Show all

2 papers · 1 filter

astro-ph.IM2017★ 19 cited

The Power of Simultaneous Multi-frequency Observations for mm-VLBI: Beyond Frequency Phase Transfer

Guang-Yao Zhao, Juan Carlos Algaba, Sang-Sung Lee +15

Atmospheric propagation effects at millimeter wavelengths can significantly alter the phases of radio signals and reduce the coherence time, putting tight constraints on high frequ…

astro-ph.HE2017★ 18 cited

Exploring the Variability of the Flat Spectrum Radio Source 1633+382. I. Phenomenology of the Light Curves

Juan-Carlos Algaba, Sang-Sung Lee, Dae-Won Kim +15

We present multi-frequency simultaneous VLBI radio observations of the flat spectrum radio quasar 1633+382 (4C~38.41) as part of the interferometric monitoring of gamma-ray bright…