316 citations · 3.2k across the 91 of their papers we have counts for
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astro-ph.CO2010★ 12 cited
Deep CO Observations and the CO-to-H_2 Conversion Factor in DDO 154, a Low Metallicity Dwarf Irregular Galaxy
Shinya Komugi, Chikako Yasui, Naoto Kobayashi +4
We present a deep spectroscopic search for CO emission in the dwarf irregular galaxy DDO154, which has an Oxygen abundance of only 1/20 the solar value. The observations were condu…
astro-ph.SR2010★ 72 cited
Short Lifetime of Protoplanetary Disks in Low-metallicity Environments
Chikako Yasui, Naoto Kobayashi, Alan T. Tokunaga +2
We studied near-infrared disk fractions of six young clusters in the low-metallicity environments with [O/H using deep images with Subaru 8.2\,m telescope. We fo…