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To explore the properties of extreme outer stellar disks, we obtained ultra-deep V and GALEX UV images of 4 dwarf irregular galaxies and one Blue Compact Dwarf galaxy and ultra-deep B images of 3 of t...
Deep CO Observations and the CO-to-H_2 Conversion Factor in DDO 154, a Low Metallicity Dwarf Irregular Galaxy
galaxies ISM — ISM molecules — stars formation
2010/11/16
We present a deep spectroscopic search for CO emission in the dwarf irregular galaxy DDO154, which has an Oxygen abundance of only 1/20 the solar value. The observations were conducted in order to con...
The Red Stellar Contents of Three Selected Fields of the Local Group Dwarf Irregular Galaxy IC 1613
IC 1613 Stellar Content Local Group
2009/6/4
The Red Stellar Contents of Three Selected Fields of the Local Group Dwarf Irregular Galaxy IC 1613。