Proper Motions of Dwarf Spheroidal Galaxies fromHubble Space TelescopeImaging. II. Measurement for Carina

2003 ◽  
Vol 126 (5) ◽  
pp. 2346-2361 ◽  
Author(s):  
Slawomir Piatek ◽  
Carlton Pryor ◽  
Edward W. Olszewski ◽  
Hugh C. Harris ◽  
Mario Mateo ◽  
...  
Keyword(s):  
Proper Motions ◽  
Dwarf Spheroidal Galaxies ◽  
Spheroidal Galaxies

scholarly journals Proper Motions of Dwarf Spheroidal Galaxies fromHubble Space TelescopeImaging. V. Final Measurement for Fornax

2007 ◽  
Vol 133 (3) ◽  
pp. 818-844 ◽  
Author(s):  
Slawomir Piatek ◽  
Carlton Pryor ◽  
Paul Bristow ◽  
Edward W. Olszewski ◽  
Hugh C. Harris ◽  
...  
Keyword(s):  
Proper Motions ◽  
Dwarf Spheroidal Galaxies ◽  
Final Measurement ◽  
Spheroidal Galaxies

scholarly journals Proper Motions of Dwarf Spheroidal Galaxies fromHubble Space TelescopeImaging. III. Measurement for Ursa Minor

2005 ◽  
Vol 130 (1) ◽  
pp. 95-115 ◽  
Author(s):  
Slawomir Piatek ◽  
Carlton Pryor ◽  
Paul Bristow ◽  
Edward W. Olszewski ◽  
Hugh C. Harris ◽  
...  
Keyword(s):  
Proper Motions ◽  
Dwarf Spheroidal Galaxies ◽  
Ursa Minor ◽  
Spheroidal Galaxies

scholarly journals Proper Motions of Local Group Dwarf Spheroidal Galaxies I: First Ground-Based Results for Fornax1

2010 ◽  
Vol 122 (893) ◽  
pp. 853-875 ◽  
Author(s):  
René. A. Méndez ◽  
Edgardo Costa ◽  
Mario H. Pedreros ◽  
Maximiliano Moyano ◽  
Martin Altmann ◽  
...  
Keyword(s):  
Local Group ◽  
Proper Motions ◽  
Dwarf Spheroidal Galaxies ◽  
Spheroidal Galaxies

scholarly journals Proper Motions of Dwarf Spheroidal Galaxies fromHubble Space TelescopeImaging. IV. Measurement for Sculptor

2006 ◽  
Vol 131 (3) ◽  
pp. 1445-1460 ◽  
Author(s):  
Slawomir Piatek ◽  
Carlton Pryor ◽  
Paul Bristow ◽  
Edward W. Olszewski ◽  
Hugh C. Harris ◽  
...  
Keyword(s):  
Proper Motions ◽  
Dwarf Spheroidal Galaxies ◽  
Spheroidal Galaxies

Proper Motions of Dwarf Spheroidal Galaxies from [ITAL]Hubble Space Telescope[/ITAL] Imaging. I. Method and a Preliminary Measurement for Fornax

2002 ◽  
Vol 124 (6) ◽  
pp. 3198-3221 ◽  
Author(s):  
Slawomir Piatek ◽  
Carlton Pryor ◽  
Edward W. Olszewski ◽  
Hugh C. Harris ◽  
Mario Mateo ◽  
...  
Keyword(s):  
Hubble Space Telescope ◽  
Proper Motions ◽  
Preliminary Measurement ◽  
Space Telescope ◽  
Dwarf Spheroidal Galaxies ◽  
Spheroidal Galaxies

scholarly journals HI Distribution in Extreme Dwarf Irregulars and Dwarf Spheroidals

1998 ◽  
Vol 11 (1) ◽  
pp. 121-122
Author(s):  
Claude Carignan
Keyword(s):  
Star Formation ◽  
Stellar Population ◽  
Large Fraction ◽  
Dwarf Spheroidal Galaxies ◽  
Irregular Galaxies ◽  
Single Burst ◽  
Dwarf Spheroidals ◽  
Dwarf Irregular Galaxies ◽  
Spheroidal Galaxies

Recent studies (Puche & Westpfahl 1994, Young & Lo 1996) have shown that the distribution of HI in some extreme low luminosity dwarf irregular galaxies (e.g. M81dwA, Holmberg I, Leo A) tends to have a ring-like (or shell-like) distribution which suggests that a single burst of star formation could expell most of the remaining ISM (or at least a large fraction of it) from the system. In view of this, Puche & Westpfahl (1994) suggested that in dwarf spheroidal galaxies, the HI should be found at large radii since no young stellar population is observed in most of them.

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