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xCOLD GASS: the complete IRAM-30m legacy survey of molecular gas for galaxy evolution studies
Amélie Saintonge, Barbara Catinella, Linda J. Tacconi +18
We introduce xCOLD GASS, a legacy survey providing a census of molecular gas in the local Universe. Building upon the original COLD GASS survey, we present here the full sample of…
ALMA shows that gas reservoirs of star-forming disks over the past 3 billion years are not predominantly molecular
L. Cortese, B. Catinella, S. Janowiecki
Cold hydrogen gas is the raw fuel for star formation in galaxies, and its partition into atomic and molecular phases is a key quantity for galaxy evolution. In this Letter, we comb…
(Almost) Dark Galaxies in the ALFALFA Survey: Isolated HI Bearing Ultra Diffuse Galaxies
Lukas Leisman, Martha P. Haynes, Steven Janowiecki +9
We present a sample of 115 very low optical surface brightness, highly extended, HI-rich galaxies carefully selected from the ALFALFA survey that have similar optical absolute magn…
Detection of an Optical Counterpart to the ALFALFA Ultra-compact High Velocity Cloud AGC 249525
William Janesh, Katherine L. Rhode, John J. Salzer +5
We report on the detection at 98% confidence of an optical counterpart to AGC 249525, an Ultra-Compact High Velocity Cloud (UCHVC) discovered by the ALFALFA blind neutral hydrog…
Structural and Photometric Properties of the Andromeda Satellite Dwarf Galaxy Lacerta I from Deep Imaging with WIYN pODI
Katherine L. Rhode, Denija Crnojevic, David J. Sand +3
We present results from WIYN pODI imaging of Lacerta I (And XXXI), a satellite dwarf galaxy discovered in the outskirts of the Andromeda galaxy (M31) in Pan-STARRS1 survey data. Ou…
xGASS: Gas-rich central galaxies in small groups and their connections to cosmic web gas feeding
Steven Janowiecki, Barbara Catinella, Luca Cortese +3
We use deep HI observations obtained as part of the extended GALEX Arecibo SDSS survey (xGASS) to study the cold gas properties of central galaxies across environments. We find tha…