Results 81 to 90 of about 3,870 (231)
Uv Fluxes In Elliptical Galaxies [PDF]
Symposium - International Astronomical Union, 1997 The key properties of elliptical galaxies are compared to present-day models calling attention on several points of contradiction. The nature of the UV fluxes and their usefulness to cast light on the age-metallicity dilemma are discussed. Finally, preliminary results of an attempt aimed at reconciling theory with observations by means of an new IMF ...
openaire +1 more source
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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Galaxy Formation from the Primordial Black Holes
EPJ Web of Conferences, 2017 Supermassive black hole (SMBH) of size MBH = 106-10M⊙ is common in the Universe and it defines the center of the galaxy. A galaxy and the SMBH are generally thought to have co-evolved.
Morikawa Masahiro
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Environmental Microbiology Reports, Volume 18, Issue 3, June 2026.The polyphasic approach (morphology, physiology, biochemistry and genetics) was used to characterize Acetobacter indonesiensis strain UNPADCC 01‐5, which was isolated from oncom merah. The strain's potential as a culture for acidic fermentations and a biofunctional agent was supported by its adaptive characteristics, which included acid tolerance ...
Yolani Syaputri +9 more
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Metallicity gradients in dwarf elliptical galaxies
, 2010 We discuss the relations between the metallicity gradients and the other characteristics of a set of dwarf elliptical galaxies in different environments.
De Rijcke, Sven +3 more
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Radial Profiles of the Binary Fraction in Elliptical Galaxies
The Astrophysical JournalThe radial profile of the binary fraction may vary with environment and is of significant importance for studying the formation mechanisms of binary stars and their dynamical evolution within globular clusters and galaxies.
Xiejin Li +6 more
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Ecology and Evolution, Volume 16, Issue 5, May 2026.The Bryde's whale is one of the least understood baleen whale species globally, limiting accuracy of regional and global conservation assessment. This study shows the occurrence of unique genetic lineages and evolutionary histories among Bryde's whale populations.
Dominique Paynee +7 more
wiley +1 more source
Hot ISM in young elliptical galaxies
, 2009 Using Chandra and XMM-Newton X-ray observations of young, post-merger elliptical galaxies, we present X-ray characteristics of age-related observational results, by comparing with typical old elliptical galaxies in terms of X-ray properties of their low ...
Dong-Woo Kim
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Surface Photometry of Spiral Galaxy NGC 5005 and Elliptical Galaxy NGC 4278
مجلة بغداد للعلوم, 2018 Two galaxies have been chosen, spiral galaxy NGC 5005 and elliptical galaxy NGC 4278 to study their photometric properties by using surface photometric techniques with griz-Filters. Observations are obtained from the Sloan Digital Sky Survey (SDSS).
Baghdad Science Journal
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Spatial Analysis of Tropical Cyclone Precipitation Through Landfall: A Multi‐Basin Perspective
Meteorological Applications, Volume 33, Issue 3, May/June 2026.We use a shape metric methodology to analyze the spatial evolution of tropical cyclone (TC) precipitation across the North Indian, Western Pacific, and North Atlantic basins. Across all basins, precipitation area decreases from pre‐landfall to post‐landfall, with closure decreasing and dispersion increasing, indicating an exposed TC center and outward ...
Samrin Sumaiya Sauda, Stephanie E. Zick
wiley +1 more source