Results 91 to 100 of about 80,963 (169)
The Spatial Distribution of Type Ia Supernovae within Host Galaxies
The Astronomical JournalWe study how type Ia supernovae (SNe Ia) are spatially distributed within their host galaxies, using data taken from the Sloan Digital Sky Survey (SDSS).
Christopher Pritchet +3 more
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Spiral structure of disk galaxies and hidden mass effect
Известия высших учебных заведений. Поволжский регион: Физико-математические наукиBackground. A theory of disk galaxies with a violation of cylindrical symmetry is being constructed, which solves the problem of the spiral structure of galaxies within the framework of a general density wave model. Materials and methods.
V.M. Zhuravlev
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Can We Discover Physical Models Using Machine Learning? A Case Study of Galaxy Sizes
The Astrophysical JournalWe explore the ability of machine learning methods to discover underlying equations of physics by searching for the equations governing galaxy size in a semianalytic model. This case study allows us to evaluate the process as we know the ground truth. We
Festa Buçinca-Çupallari +4 more
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The Dependency of Bar Formation Timescale on Disk Mass Fraction, Toomre Q, and Scale Height
The Astrophysical JournalBars are one of the most prominent galactic structures. The classical swing-amplification theory can qualitatively describe the spontaneous bar instability of stellar disks.
Bin-Hui Chen, Juntai Shen
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Illuminating the Incidence of Extraplanar Dust Using Ultraviolet Reflection Nebulae with GALEX
The Astrophysical JournalCircumgalactic dust grains trace the circulation of mass and metals between star-forming regions and gaseous galactic halos, giving insight into feedback and tidal stripping processes.
Erin Boettcher, Edmund Hodges-Kluck
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The impact of radial migration on disk galaxy star formation histories
Astronomy & AstrophysicsReconstructing the star formation history (SFH) of disk galaxies is central to understanding their growth and evolution, yet such estimates can be strongly biased by stellar radial migration over cosmic time.
Bernaldez J. P. +9 more
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The Astrophysical JournalWe present ^12 CO( J = 1 – 0) mapping observations over ∼1/2 of the optical disk of 12 nearby galaxies from the Fundamental CO 1–0 Transition Survey of nearby galaxies (FACTS), using the ALMA Total Power array. Variations in the ^12 CO( J = 2 − 1)/ ^12
Shinya Komugi +6 more
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The Link between Galaxy Structure Properties and Star Formation in Local Galaxies
The Astrophysical JournalTo investigate the role of morphology in galaxy evolution, we analyze the relationships between galaxy structure, star formation, and H i gas content.
Zhimin Zhou, Wenwen Wang
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High-redshift Merger-induced Bar-like Galaxies in IllustrisTNG
The Astrophysical Journal LettersRecent discoveries made with JWST observations include a significant number of barred galaxies at high redshift. Their origin remains unclear, and their presence seems difficult to reproduce in cosmological simulations of galaxy formation and evolution ...
Ewa L. Łokas
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Polarized thermal emission from dust in a galaxy at redshift 2.6. [PDF]
Nature, 2023 Geach JE +7 more
europepmc +1 more source