842 citations · 3.1k across the 89 of their papers we have counts for
Showing 2017 · astro-ph.GAShow all
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astro-ph.GA2017★ 43 cited
Tracing the Spiral Structure of the Outer Milky Way with Dense Atomic Hydrogen Gas
Bon-Chul Koo, Geumsook Park, Woong-Tae Kim +3
We present a new face-on map of dense neutral atomic hydrogen (HI) gas in the outer Galaxy. Our map has been produced from the Leiden/Argentine/Bonn (LAB) HI 21-cm line all-sky sur…
astro-ph.GA2017★ 21 cited
Near-Infrared Knots and Dense Fe Ejecta in the Cassiopeia A Supernova Remnant
Yong-Hyun Lee, Bon-Chul Koo, Dae-Sik Moon +2
We report the results of broadband (0.95--2.46 m) near-infrared spectroscopic observations of the Cassiopeia A supernova remnant. Using a clump-finding algorithm in two-dimensio…