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The dense gas mass fraction in the W51 cloud and its protoclusters
Adam Ginsburg, John Bally, Cara Battersby +5
We present new 2 cm and 6 cm maps of H2CO, radio recombination lines, and the radio continuum in the W51 star forming complex acquired with Arecibo and the Green Bank Telescope at…
Absorption Filaments Towards the Massive Clump G0.253+0.016
John Bally, J. M. Rathborne, S. N. Longmore +11
ALMA HCO+ observations of the infrared dark cloud G0.253+0.016 located in the Central Molecular Zone of the Galaxy are presented. The 89 GHz emission is area-filling, optically thi…
Kompaneets Model Fitting of the Orion-Eridanus Superbubble
Andy Pon, Doug Johnstone, John Bally +1
Winds and supernovae from OB associations create large cavities in the interstellar medium referred to as superbubbles. The Orion molecular clouds are the nearest high mass star-fo…
The Comparison of Physical Properties Derived from Gas and Dust in a Massive Star-Forming Region
Cara Battersby, John Bally, Miranda Dunham +3
We explore the relationship between gas and dust in massive star-forming regions by comparing physical properties derived from each. We compare the temperatures and column densitie…
The Onset of Massive Star Formation: The Evolution of Temperature and Density Structure in an Infrared Dark Cloud
Cara Battersby, Adam Ginsburg, John Bally +3
We present new NH3 (1,1), (2,2), and (4,4) observations from the Karl G. Jansky Very Large Array (VLA) compiled with work in the literature to explore the range of conditions obser…
The Origin of Ionized Filaments Within the Orion-Eridanus Superbubble
Andy Pon, Doug Johnstone, John Bally +1
The Orion-Eridanus superbubble, formed by the nearby Orion high mass star-forming region, contains multiple bright H filaments on the Eridanus side of the superbubble. We examin…