scholarly journals Measuring SEDs for individual galaxy components

2011 ◽  
Vol 7 (S284) ◽  
pp. 301-305
Author(s):  
Steven P. Bamford ◽  
Boris Häußler ◽  
Alex Rojas ◽  
Marina Vika ◽  
Jim Cresswell
Keyword(s):  
Sampling Methods ◽  
Stellar Populations ◽  
Next Generation ◽  
New Techniques ◽  
Combining Data ◽  
Individual Galaxy ◽  
Non Parametric

AbstractOur project, ‘MegaMorph’, is developing a next-generation tool for decomposing galaxies, in terms of both their structures and stellar populations. By combining data from UV to NIR wavelengths, accounting for morphological peculiarities using non-parametric components, and utilising efficient likelihood sampling methods, we are working to significantly improve the robustness and accuracy of galaxy decomposition. Applying these new techniques to modern large surveys will provide us with a deeper understanding of galaxies.

scholarly journals Next-generation microbiology: from comparative genomics to gene function

2021 ◽  
Vol 22 (1) ◽  
Author(s):  
Carolin M. Kobras ◽  
Andrew K. Fenton ◽  
Samuel K. Sheppard
Keyword(s):  
Data Science ◽  
Genetic Basis ◽  
Turning Point ◽  
Functional Genomic ◽  
Bacterial Cells ◽  
Next Generation ◽  
New Techniques ◽  
Molecular Microbiology ◽  
Genetic Complexity ◽  
Generation Sequencing

AbstractMicrobiology is at a turning point in its 120-year history. Widespread next-generation sequencing has revealed genetic complexity among bacteria that could hardly have been imagined by pioneers such as Pasteur, Escherich and Koch. This data cascade brings enormous potential to improve our understanding of individual bacterial cells and the genetic basis of phenotype variation. However, this revolution in data science cannot replace established microbiology practices, presenting the challenge of how to integrate these new techniques. Contrasting comparative and functional genomic approaches, we evoke molecular microbiology theory and established practice to present a conceptual framework and practical roadmap for next-generation microbiology.

scholarly journals VikNGS: A C ++ Variant Integration Kit for Next Generation Sequencing Association Analysis

2019 ◽  
Author(s):  
Zeynep Baskurt ◽  
Scott Mastromatteo ◽  
Jiafen Gong ◽  
Richard F Wintle ◽  
Stephen W Scherer ◽  
...  
Keyword(s):  
Next Generation Sequencing ◽  
Genetic Association ◽  
Association Analysis ◽  
Supplementary Information ◽  
Next Generation Sequencing Data ◽  
Data Sets ◽  
Next Generation ◽  
Sequencing Data ◽  
Combining Data ◽  
Generation Sequencing

Abstract Integration of next generation sequencing data (NGS) across different research studies can improve the power of genetic association testing by increasing sample size and can obviate the need for sequencing controls. If differential genotype uncertainty across studies is not accounted for, combining data sets can produce spurious association results. We developed the Variant Integration Kit for NGS (VikNGS), a fast cross-platform software package, to enable aggregation of several data sets for rare and common variant genetic association analysis of quantitative and binary traits with covariate adjustment. VikNGS also includes a graphical user interface, power simulation functionality and data visualization tools. Availability The VikNGS package can be downloaded at http://www.tcag.ca/tools/index.html. Supplementary information Supplementary data are available at Bioinformatics online.

scholarly journals Scaling Relations between Gas and Star Formation in Nearby Galaxies

2010 ◽  
Vol 6 (S270) ◽  
pp. 327-334 ◽  
Author(s):  
Frank Bigiel ◽  
Adam Leroy ◽  
Fabian Walter
Keyword(s):  
Star Formation ◽  
Spatial Scales ◽  
Formation Rate ◽  
Star Forming ◽  
Multiple Regimes ◽  
Combining Data ◽  
Multi Wavelength ◽  
Nearby Galaxies ◽  
Physical Quantities ◽  
Individual Galaxy

AbstractHigh resolution, multi-wavelength maps of a sizeable set of nearby galaxies have made it possible to study how the surface densities of H i, H2 and star formation rate (ΣHI, ΣH2, ΣSFR) relate on scales of a few hundred parsecs. At these scales, individual galaxy disks are comfortably resolved, making it possible to assess gas-SFR relations with respect to environment within galaxies. ΣH2, traced by CO intensity, shows a strong correlation with ΣSFR and the ratio between these two quantities, the molecular gas depletion time, appears to be constant at about 2 Gyr in large spiral galaxies. Within the star-forming disks of galaxies, ΣSFR shows almost no correlation with ΣHI. In the outer parts of galaxies, however, ΣSFR does scale with ΣHI, though with large scatter. Combining data from these different environments yields a distribution with multiple regimes in Σgas – ΣSFR space. If the underlying assumptions to convert observables to physical quantities are matched, even combined datasets based on different SFR tracers, methodologies and spatial scales occupy a well define locus in Σgas – ΣSFR space.

A seasonal decomposition of the estimated size of a penguin population at Phillip Island, Australia

2005 ◽  
Vol 53 (2) ◽  
pp. 111 ◽  
Author(s):  
H.-C. Yang ◽  
L. E. Chambers ◽  
R. M. Huggins
Keyword(s):  
Population Size ◽  
Sampling Methods ◽  
Seasonal Effects ◽  
Trend Component ◽  
Seasonal Time Series ◽  
The Difference ◽  
Weaker Conditions ◽  
Seasonal Decomposition ◽  
Parametric Estimate ◽  
Non Parametric

Modern non-parametric methods allow the estimation of a population size under weaker conditions than the classical methods if there are frequent capture occasions. Here a non-parametric estimate of the number of penguins occupying Summerland Beach, Phillip Island, Australia, was computed. This estimator did not assume equal catchability of individuals, did not assume a parametric form for the population size as a function of time and allowed individuals to leave and re-enter the population. The resulting estimate was then decomposed into a seasonal component and a trend component using seasonal time series models to facilitate the understanding of the changes in the population size. The estimated seasonal effects quantified the difference between the number of penguins in the breeding and non-breeding season, and the trend component indicated an increase in the population size over the period of the study. The estimates of the number of penguins are shown to be consistent with other estimates obtained from a variety of sampling methods and statistical analyses.

scholarly journals Is Lunar Ranging a Viable Component in a Next-Generation Earth Rotation Service?

1979 ◽  
Vol 82 ◽  
pp. 257-260 ◽  
Author(s):  
J. Derral Mulholland
Keyword(s):  
Earth Rotation ◽  
Laser Ranging ◽  
Next Generation ◽  
Lunar Laser Ranging ◽  
New Techniques ◽  
Lunar Laser ◽  
Earth Rotation Parameters ◽  
New Space ◽  
Rotation Parameters

Several new “space” techniques have been used for episodic determination of Earth rotation parameters, usually the variation in apparent longitude (UT0) and apparent latitude of an observing station. Earth rotation services require more than episodic determinations; they need near-daily determinations. Since 1975, planning has been underway for a demonstration of the viability of lunar laser ranging for such a usage. The observing campaign named Earth Rotation from Lunar Distances (EROLD) was organized with the proposed activity to cover the years 1977–78. Progress has not been so rapid as hoped, but it remains true that lunar ranging has produced more Earth rotation information than other new techniques.

Transition Toward the Highly Advanced Technology for Automated Warehouse System

2007 ◽  
Vol 1 (1) ◽  
pp. 7-10 ◽  
Author(s):  
Kazushi Tsujimoto ◽  
Keyword(s):  
Processing Speed ◽  
Distribution Systems ◽  
State Of The Art ◽  
Advanced Technology ◽  
Next Generation ◽  
Core Component ◽  
New Techniques ◽  
Peripheral Equipment ◽  
Technological Advances ◽  
Automated Warehouses

In the 40 years since 1966, when we completed Japan's first automated warehouse, we have been developing new techniques and products targeting next-generation automated warehouses. Centering on the theme “highly advanced technology,” we have freely used state-of-the-art technology such as drives and software to enhance the applications of stacker cranes and peripheral equipment. Thanks to technological advances, automated warehouses expanded and evolved to provide “sorting and picking” in addition to “storage” advances are expected to bring unprecedented processing speed and high revolution enabling many different and novel distribution systems. Here we introduce the changes that have made the “Rack Master” stacker crane so advanced. The Rack Master is a core component of our automated warehouses.

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