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Far-Infrared Dust Temperatures and Column Densities of the MALT90 Molecular Clump Sample
Andrés E. Guzmán, Patricio Sanhueza, Yanett Contreras +4
We present dust column densities and dust temperatures for young high-mass molecular clumps from the Millimetre Astronomy Legacy Team 90 GHz (MALT90) survey, derived fro…
ALMA Observations of the IRDC Clump G34.43+00.24 MM3: DNC/HNC Ratio
Takeshi Sakai, Nami Sakai, Kenji Furuya +6
We have observed the clump G34.43+00.24 MM3 associated with an infrared dark cloud in DNC =3--2, HNC =3--2, and NH =3--2 with the Atacama Large Millimeter/s…
MALT-45: A 7 mm survey of the southern Galaxy - I. Techniques and spectral line data
Christopher H. Jordan, Andrew J. Walsh, Vicki Lowe +12
We present the first results from the MALT-45 (Millimetre Astronomer's Legacy Team - 45 GHz) Galactic Plane survey. We have observed 5 square-degrees (, …
ALMA Observations of the IRDC Clump G34.43+00.24 MM3: 278 GHz Class I Methanol Masers
Takahiro Yanagida, Takeshi Sakai, Tomoya Hirota +7
We have observed a molecular clump (MM3) associated with the infrared dark cloud G34.43+00.24 in the CH3OH J_K=9_{-1}--8_0 E, 5_0-4_0 E, and 5_{-1}-4_{-1} E lines at sub-arcsecond…
ALMA Observations of the IRDC Clump G34.43+00.24 MM3: Hot Core and Molecular Outflows
Takeshi Sakai, Nami Sakai, Jonathan B. Foster +7
We have observed a cluster forming clump (MM3) associated with the infrared dark cloud G34.43+00.24 in the 1.3 mm continuum and the CH3OH, CS, 13CS, SiO, CH3CH2CN, and HCOOCH3 line…
The early stages of star formation in Infrared Dark Clouds: characterizing the core dust properties
J. M. Rathborne, J. M. Jackson, E. T. Chambers +4
Identified as extinction features against the bright Galactic mid-infrared background, infrared dark clouds (IRDCs) are thought to harbor the very earliest stages of star and clust…