THE STAR FORMATION HISTORIES OF LOCAL GROUP DWARF GALAXIES. I. HUBBLE SPACE TELESCOPE/WIDE FIELD PLANETARY CAMERA 2 OBSERVATIONS

We present uniformly measured star formation histories (SFHs) of 40 Local Group (LG) dwarf galaxies based on color-magnitude diagram (CMD) analysis from archival Hubble Space Telescope imaging. We demonstrate that accurate SFHs can be recovered from CMDs that do not reach the oldest main sequence tu...

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Veröffentlicht in:	The Astrophysical journal 2014-07, Vol.789 (2), p.1-23
Hauptverfasser:	Weisz, Daniel R, Dolphin, Andrew E, Skillman, Evan D, Holtzman, Jon, Gilbert, Karoline M, Dalcanton, Julianne J, Williams, Benjamin F
Format:	Artikel
Sprache:	eng
Schlagworte:	ABUNDANCE Approximation APPROXIMATIONS ASTROPHYSICS, COSMOLOGY AND ASTRONOMY COLOR Dwarf galaxies DWARF STARS EFFICIENCY Electronics EVOLUTION GALAXIES Hubble Space Telescope LIFETIME Local group (astronomy) LUMINOSITY MASS SPACE Star formation STARS Stellar mass TELESCOPES
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