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The Nature of the Density Clump in the Fornax Dwarf Spheroidal Galaxy
Edward W. Olszewski, Mario Mateo, Jason Harris +3
We have imaged the recently discovered stellar overdensity located approximately one core radius from the center of the Fornax dwarf spheroidal galaxy using the Magellan Clay 6.5m…
Detection of neutral hydrogen in early-type dwarf galaxies of the Sculptor Group
Antoine Bouchard, Helmut Jerjen, Gary S. Da Costa +1
We present our results of deep 21 cm line (HI) observations of five early and mixed-type dwarf galaxies in the nearby Sculptor group using the ATNF 64m Parkes Radio Telescope. Four…
The Absence of Extra-Tidal Structure in the Sculptor Dwarf Spheroidal Galaxy
Matthew G. Coleman, G. S. Da Costa, Joss Bland-Hawthorn
The results of a wide-field survey of the Sculptor dwarf spheroidal galaxy are presented. Our aims were to obtain an accurate map of the outer structure of Sculptor, and to determi…
An HST Study of the Supernovae Accompanying GRB 040924 and GRB 041006
A. M. Soderberg, S. R. Kulkarni, P. A. Price +23
We present the results from a {\it Hubble Space Telescope/ACS} study of the supernovae associated with gamma-ray bursts 040924 () and 041006 (). We find evidence th…
The Dwarf Spheroidal Companions to M31: Variable Stars in Andromeda I and Andromeda III
Barton J. Pritzl, Taft E. Armandroff, George H. Jacoby +1
(Abridged) We present the results of variable star searches of the M31 dwarf spheroidal companions Andromeda I and Andromeda III using the Hubble Space Telescope. A total of 100 va…