273 citations · 378 across the 7 of their papers we have counts for
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astro-ph.GA2019★ 17 cited
The Structure of Dark Molecular Gas in the Galaxy -- II. Physical State of "CO-Dark" Gas in the Perseus Arm
Michael P. Busch, Ronald J. Allen, Philip D. Engelke +3
We report the results from a new, highly sensitive (mK) survey for thermal OH emission at 1665 and 1667 MHz over a dense, 9 x 9-pixel grid covering a x p…
astro-ph.GA2019★ 10 cited
OH as an Alternate Tracer for Molecular Gas: Quantity and Structure of Molecular Gas in W5
Philip D. Engelke, Ronald J. Allen
We report column densities of molecular gas in the W5 star-forming region as traced with OH 18-cm emission in a grid survey using the Green Bank Telescope. OH appears to trace a gr…