Results 31 to 40 of about 443,565 (219)
Gravitational Lensing by Spiral Galaxies [PDF]
27 pages, 7 postscript figures, submitted to ...
Keeton, C. R., Kochanek, C. S.
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NUMERICAL MODELLING OF GAS DYNAMIC STRUCTURES IN SPIRAL GALAXIES
Observations show that in the global morphology of spiral galaxies appear and form multi-scale features that are embedded in a complex complete picture of the galaxy.
A. Lugovskiy, E. Filistov
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Nuclear stellar disks in spiral galaxies [PDF]
We report the discovery of a nuclear stellar disk in 3 early-type spirals, namely NGC 1425, NGC 3898 and NGC 4698, revealed by WFPC2/F606W images out of a sample of 38 spiral galaxies, selected from the HST Data Archive.
PIZZELLA, ALESSANDRO +13 more
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Spiral galaxies are spinning, internally densified objects. The Virial Theorem explains galactic rotation curves via its linkage of the rotation rate to the gravitational self-potential (Ug) and the moment of inertia of oblate spheroids.
Robert E. Criss, Anne M. Hofmeister
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Our vision of galaxies has changed significantly since the era of large galaxy surveys like the Sloan, which gave us extensive statistics with millions of galaxies. The Hubble sequence classification described in Chapter 1 still remains very widely used but has been enriched with broad categories based on color that indicate the recent formation of ...
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Spiral Structure of Our Galaxy and of Other Galaxies [PDF]
Time and again Dr. B. Bok publishes his reviews on the state of optical searches of the spiral arms in our Galaxy. A great optimist at the beginning, concerning the agreement of different results, he became later more critical in his conclusions. But in his paper of 1967 he claims anew, as well established, that we can trace the spiral arms up to a ...
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The Origin and Evolution of Giant Radio Galaxies
Giant radio galaxies are arguably the least understood of jetted active galactic nuclei (AGN). We propose that radio galaxies are the product of large mergers that do not involve radio galaxies or radio quasars, such as in merging spiral galaxies, while ...
David Garofalo
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The formation of molecular clouds in spiral galaxies [PDF]
Molecular clouds are imperative to astronomy as the sites of all known star formation. The problem of how molecular clouds are formed in spiral galaxies is approached numerically, by modelling the response of a gas disk to a spiral potential.
Dobbs, Clare L.
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Mass of Spiral Galaxies by Means of a Maximum Disc Model
Maximum disc mass models for a set of spiral galaxies from the Ursa Major Cluster are presented. We construct the models using the Hunther method and the particular solutions are chosen in such away that the circular velocities are adjusted very ...
Framsol López-Suspes +1 more
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A New Statistical Analysis of the Morphology of Spiral Galaxies
Morphology is the starting point for understanding galaxies. Elmegreen et al. classified spiral galaxies into flocculent, multiple-arm, and grand-design galaxies based on the regularity of their spiral arm structure.
Junye Wei +6 more
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