Primordial Rotating Disk Composed of ≥15 Star Forming Clumps at Cosmic Dawn
Fujimoto S+45 more
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Magellanic Clouds: VIII. On the Population Characteristics of the Two Clouds. [PDF]
Shapley H.
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Magellanic Clouds: IV. On the Period Frequency Anomalies. [PDF]
Shapley H, Nail VM.
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Galactic and Extragalactic Studies: IV. Photometry of Two Large Southern Clusters of Galaxies. [PDF]
Shapley H, Boyd CD.
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Galactic and Extragalactic Studies: XVII. Revision of the Distances of Thirty High-Latitude Globular Clusters. [PDF]
Shapley H.
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Galactic and Extragalactic Studies: II. Notes on the Peculiar Stellar Systems in Sculptor and Fornax. [PDF]
Shapley H.
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Summary of Investigations of Variable Stars. [PDF]
Shapley H.
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Structure-dynamics relations for late-type spiral and dwarf irregular galaxies revisited
Bernhard R. Parodi
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A constant intrinsic thickness for dwarf irregular galaxies?
Monthly Notices of the Royal Astronomical Society: Letters, 2016Abstract We assess the intrinsic thickness parameter, qo, for a sample of dwarf irregular galaxies and compare to larger, more massive spiral galaxy systems. We use optical photometry to determine b/a (minor-to-major axial ratio), and we use the H i kinematic inclination angle to derive qo.
M. Johnson+3 more
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Dwarf Irregular Galaxies of the Local Group
2014Local Group dwarf irregulars (dIrrs) cover an enormous range in star formation properties. Here I discuss these tiny galaxies as probes of star formation at the extremes of low gas densities and low metallicities. We have learned that (1) Star formation is inefficient in dIrrs and yet at very low \(\Sigma_{\rm HI}\) (\(
D. Hunter
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