Results 11 to 20 of about 130 (116)
Analysis of Resonances in Grand Design Spiral Galaxies [PDF]
The Astrophysical Journal, 2001 49 pages, 24 figures, 2 tables.
Vera-Villamizar, Nelson +3 more
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Star formation in grand-design, spiral galaxies [PDF]
Astronomy & Astrophysics, 2012 Deep, near-infrared JHK-maps were observed for 10 nearby, grand-design, spiral galaxies using HAWK-I/VLT to study the distribution of young stellar clusters in them and thereby determine whether strong spiral perturbations can influence star formation.
Grosbol, P., Dottori, H.
openaire +2 more sources
Gas and stellar spiral arms and their offsets in the grand-design spiral galaxy M51 [PDF]
Monthly Notices of the Royal Astronomical Society, 2016 Theoretical studies on the response of interstellar gas to a gravitational potential disc with a quasi-stationary spiral arm pattern suggest that the gas experiences a sudden compression due to standing shock waves at spiral arms. This mechanism, called a galactic shock wave, predicts that gas spiral arms move from downstream to upstream of stellar ...
Egusa, Fumi +3 more
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The Astrophysical Journal Letters, 2023 We present a high-resolution view of bubbles within the Phantom Galaxy (NGC 628), a nearby (∼10 Mpc), star-forming (∼2 M _⊙ yr ^−1 ), face-on ( i ∼ 9°) grand-design spiral galaxy.
Ashley. T. Barnes +53 more
doaj +1 more source
PHANGS–JWST First Results: A Combined HST and JWST Analysis of the Nuclear Star Cluster in NGC 628
The Astrophysical Journal Letters, 2023 We combine archival Hubble Space Telescope and new James Webb Space Telescope imaging data covering the ultraviolet to mid-infrared regime to morphologically analyze the nuclear star cluster (NSC) of NGC 628, a grand-design spiral galaxy.
Nils Hoyer +30 more
doaj +1 more source
GRAND DESIGN AND FLOCCULENT SPIRALS IN THESPITZERSURVEY OF STELLAR STRUCTURE IN GALAXIES (S4G) [PDF]
The Astrophysical Journal, 2011 Spiral arm properties of 46 galaxies in the Spitzer Survey of Stellar Structure in Galaxies (S4G) were measured at 3.6mu, where extinction is small and the old stars dominate. The sample includes flocculent, multiple arm, and grand design types with a wide range of Hubble and bar types.
Elmegreen, Debra Meloy +28 more
openaire +5 more sources
Giant molecular clouds in the non-grand design spiral galaxy NGC 6946 [PDF]
The Astrophysical Journal, 2012 23 pages, 21 figures, 3 tables.
Rebolledo, David +4 more
openaire +3 more sources
The Astrophysical Journal, 1983 Spiral arm classifications were made for 261 low-inclination galaxies in groups listed by Huchra and Geller. The fractional occurrence of grand design spiral structure in nonbarred galaxies was found to increase from approx.0.1 to approx.0.6 and then level off as the group crossing rate or galaxy collision rate in a group increases.
B. G. Elmegreen, D. M. Elmegreen
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Evidence for small halos in grand design spiral galaxies
The Astrophysical Journal, 1990 Les courbes de rotation de 41 galaxies spirales de differents types sont comparees. Il est montre que les galaxies ayant deux bras longs et symetriques tendent a avoir des courbes de rotation exterieures tombantes alors que les galaxies ayant des bras multiples ou des bras floconneux courts ont plutot des courbes de rotation presques plates ou s ...
Debra Meloy Elmegreen +1 more
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The sequence of spiral arm classes: Observational signatures of persistent spiral density waves in grand-design galaxies [PDF]
Proceedings of the International Astronomical Union, 2019 AbstractWe investigate how the properties of spiral arms relate to other fundamental galaxy properties. To this end, we use previously published measurements of those properties, and our own measurements of arm-interarm luminosity contrasts for a large sample of galaxies, using 3.6μm images from the Spitzer Survey of Stellar Structure in Galaxies ...
Bittner, A. +6 more
openaire +3 more sources