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CARMA Survey Toward Infrared-bright Nearby Galaxies (STING) II: Molecular Gas Star Formation Law and Depletion Time Across the Blue Sequence
Nurur Rahman, Alberto D. Bolatto, Rui Xue +10
We present an analysis of the relationship between molecular gas and current star formation rate surface density at sub-kpc and kpc scales in a sample of 14 nearby star-forming gal…
A Molecular Star Formation Law in the Atomic Gas Dominated Regime in Nearby Galaxies
Andreas Schruba, Adam K. Leroy, Fabian Walter +11
We use the IRAM HERACLES survey to study CO emission from 33 nearby spiral galaxies down to very low intensities. Using atomic hydrogen (HI) data, mostly from THINGS, we predict th…
Angular Momentum in Giant Molecular Clouds. II. M33
N. Imara, F. Bigiel, L. Blitz
We present an analysis comparing the properties of 45 giant molecular clouds (GMCs) in M33 and the atomic hydrogen (HI) with which they are associated. High-resolution VLA observat…
A Constant Molecular Gas Depletion Time in Nearby Disk Galaxies
F. Bigiel, A. K. Leroy, F. Walter +8
We combine new sensitive, wide-field CO data from the HERACLES survey with ultraviolet and infrared data from GALEX and Spitzer to compare the surface densities of H2, Sigma_H2, an…
Finding Dwarf Galaxies From Their Tidal Imprints
Sukanya Chakrabarti, Frank Bigiel, Philip Chang +1
We describe ongoing work on a new method that allows one to determine the mass and relative position (in galactocentric radius and azimuth) of galactic companions purely from analy…