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HIghMass - High HI Mass, HI-Rich Galaxies at : Combined HI and H Observations
Gregory Hallenbeck, Shan Huang, Kristine Spekkens +9
We present resolved HI and CO observations of three galaxies from the HIghMass sample, a sample of HI-massive (), gas-rich ( in top for thei…
Identifying galaxy candidates in WSRT HI imaging of ultra-compact high velocity clouds
Elizabeth A. K. Adams, Tom A. Oosterloo, John M. Cannon +2
Ultra-compact high velocity clouds (UCHVCs) were identified in the ALFALFA HI survey as potential gas-bearing dark matter halos. Here we present higher resolution neutral hydrogen…
SHIELD: Neutral Gas Kinematics and Dynamics
Andrew T. McNichols, Yaron G. Teich, Elise Nims +22
We present kinematic analyses of the 12 galaxies in the "Survey of HI in Extremely Low-mass Dwarfs" (SHIELD). We use multi-configuration interferometric observations of the HI 21cm…
SHIELD: Comparing Gas and Star Formation in Low Mass Galaxies
Yaron G. Teich, Andrew T. McNichols, Elise Nims +22
We analyze the relationships between atomic, neutral hydrogen (HI) and star formation (SF) in the 12 low-mass SHIELD galaxies. We compare high spectral (~0.82 km/s/channel) and spa…
ALFALFA and WSRT Imaging of Extended HI Features in the Leo Cloud of Galaxies
Lukas Leisman, Martha P. Haynes, Riccardo Giovanelli +3
We present ALFALFA HI observations of a well studied region of the Leo Cloud, which includes the NGC 3227 group and the NGC 3190 group. We detect optically dark HI tails and plumes…
ALFALFA Discovery of the Most Metal-Poor Gas-Rich Galaxy Known: AGC 198691
Alec S. Hirschauer, John J. Salzer, Evan D. Skillman +12
We present spectroscopic observations of the nearby dwarf galaxy AGC 198691. This object is part of the Survey of HI in Extremely Low-Mass Dwarfs (SHIELD) project, which is a multi…
An accurate measurement of the baryonic Tully-Fisher relation with heavily gas-dominated ALFALFA galaxies
E. Papastergis, E. A. K. Adams, J. M. van der Hulst
We use a sample of 97 galaxies selected from the ALFALFA 21cm survey to make an accurate measurement of the baryonic Tully-Fisher relation (BTFR). These galaxies are specifically s…