58 citations · 306 across the 14 of their papers we have counts for
Showing 2011 · astro-ph.GAShow all
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astro-ph.GA2011★ 5 cited
New Maser Emission from Nonmetastable Ammonia in NGC 7538. II. Green Bank Telescope Observations Including Water Masers
Ian M. Hoffman, Stella Seojin Kim
We present new maser emission from ^{14}NH_3 (9,6) in NGC 7538. Our observations include the known spectral features near v_LSR = -60 km/s and -57 km/s and several more features ex…
astro-ph.GA2011★ 9 cited
New Maser Emission from Nonmetastable Ammonia in NGC 7538
Ian M. Hoffman, Stella Seojin Kim
We present the first interferometric observations at 18.5 GHz of IRS 1 in NGC 7538. These observations include images of the nonmetastable ^{14}NH_3 (9,6) masers with a synthesized…