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Non-confirmation of reported HI clouds without optical counterparts in the Hercules Cluster
W. van Driel, K. O'Neil, V. Cayatte +8
21 cm HI line observations were made with the Arecibo Gregorian telescope of 9 HI clouds in the Hercules Cluster which were reported as tenative detections in a VLA HI study of the…
New insights into the photometric structure of Blue Compact Dwarf Galaxies from a deep Near-Infrared study
K. G. Noeske, P. Papaderos, L. M. Cairos +1
We present deep Near-Infrared (NIR) imaging of Blue Compact Dwarf Galaxies (BCDs), allowing for the first time to derive and systematize the NIR structural properties of their stel…
The blue compact dwarf galaxy I Zw 18: a comparative study of its low-surface-brightness component
P. Papaderos, Y. I. Izotov, T. X. Thuan +4
(abridged): Using HST and ground-based optical and NIR imaging data, we investigate whether the blue compact dwarf (BCD) galaxy I Zw 18 possesses an extended low-surface-brightness…