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Circumgalactic gas at its extreme: tidal gas streams around the Whale galaxy NGC 4631 explored with HST/COS
P. Richter, B. Winkel, B. P. Wakker +8
We present a detailed analysis of the absorption properties of one of the tidal gas streams around the Whale galaxy NGC4631 in the direction of the quasar 2MASSJ12421031+3214268. O…
Spatially Resoved 12CO(2-1)/12CO(1-0) in the Starburst Galaxy NGC 253: Assessing Optical Depth to Constrain the Molecular Mass Outflow Rate
Laura K. Zschaechner, Alberto D. Bolatto, Fabian Walter +9
We present Atacama Large Millimeter/submillimeter Array (ALMA) observations of 12CO(1-0) and 12CO(2-1) in the central 40" (680 pc) of the nuclear starburst galaxy NGC 253, includin…
A high-resolution mosaic of the neutral hydrogen in the M81 triplet
W. J. G. de Blok, Fabian Walter, Annette M. N. Ferguson +10
We present a 3x3 degrees, 105-pointing, high-resolution neutral hydrogen (HI) mosaic of the M81 galaxy triplet (including the galaxies M81, M82 and NGC 3077, as well as dwarf galax…
Forming Super Star Clusters in the Central Starburst of NGC 253
Adam K. Leroy, Alberto D. Bolatto, Eve C. Ostriker +11
NGC 253 hosts the nearest nuclear starburst. Previous observations show a region rich in molecular gas, with dense clouds associated with recent star formation. We used ALMA to ima…