activity
19992026
most citedEvolution of Chemistry and Molecular Line Profile during Protostellar Collapse

199 citations · 5.4k across the 168 of their papers we have counts for

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Showing 2012Show all

5 papers · 1 filter

astro-ph.GA2012★ 23 cited

Variability at the Edge: Optical Near/IR Rapid Cadence Monitoring of Newly Outbursting FU Orionis Object HBC 722

Joel D. Green, Paul Robertson, Giseon Baek +7

We present the detection of day-timescale periodic variability in the r-band lightcurve of newly outbursting FU Orionis-type object HBC 722, taken from > 42 nights of observation w…

astro-ph.GA2012★ 10 cited

Water and Methanol Maser Activities in the NGC 2024 FIR 6 Region

Minho Choi, Miju Kang, Do-Young Byun +1

The NGC 2024 FIR 6 region was observed in the water maser line at 22 GHz and the methanol class I maser lines at 44, 95, and 133 GHz. The water maser spectra displayed several velo…

astro-ph.GA2012★ 11 cited

CO J=2-1 Observations toward the Supernova Remnant G54.1+0.3

Jung-Won Lee, Bon-Chul Koo, Jeong-Eun Lee

We present 12CO J = 2-1 line observations of G54.1+0.3, a composite supernova remnant with a mid-infrared (MIR) loop surrounding the central pulsar wind nebula (PWN). We mapped an…

astro-ph.SR2012★ 65 cited

CO2 Ice toward Low-luminosity, Embedded Protostars: Evidence for Episodic Mass Accretion via Chemical History

Hyo Jeong Kim, Neal J. Evans, Michael M. Dunham +2

We present Spitzer IRS spectroscopy of CO2 ice bending mode spectra at 15.2 micrometer toward 19 young stellar objects with luminosity lower than 1 Lsun (3 with luminosity lower th…

astro-ph.GA2012★ 3 cited

Radio Imaging of the NGC 2024 FIR 5/6 Region: a Hypercompact H II Region Candidate in Orion

Minho Choi, Jeong-Eun Lee, Miju Kang

The NGC 2024 FIR 5/6 region was observed in the 6.9 mm continuum with an angular resolution of about 1.5 arcsec. The 6.9 mm continuum map shows four compact sources, FIR 5w, 5e, 6c…