Results 151 to 160 of about 71,111 (245)

Are High-Σ1 Massive Blue Spiral Galaxies Rejuvenated Systems?

open access: yesThe Astrophysical Journal
Quiescent galaxies generally possess denser cores than star-forming galaxies with similar mass. As a measurement of the core density, the central stellar mass surface density within a radius of 1 kpc (Σ _1 ) was thus suggested to be closely related to ...
Cai-Na Hao   +7 more
doaj   +1 more source

Impacts of Bar-driven Shear and Shocks on Star Formation

open access: yesThe Astrophysical Journal
Bars drive gas inflow. As the gas flows inward, shocks and shear occur along the bar dust lanes. Such shocks and shear can affect the star formation (SF) and change the gas properties.
Taehyun Kim   +14 more
doaj   +1 more source

Numerical models of galaxies - I. The variability of spiral structure [PDF]

open access: bronze, 1978
Robert H. Berman   +2 more
openalex   +1 more source

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