Extragalactic filament detection with a layer smoothing method

Filaments are clearly visible in galaxy distributions, but they are hardly detected by computer algorithms. Most methods of filament detection can be used only with numerical simulations of a large-scale structure. New simple and effective methods for the real filament detection should be developed. The method of a smoothed galaxy density field was applied in this work to SDSS data of galaxy positions. Five concentric radial layers of 100 Mpc are appropriate for filaments detection. Two methods were tested for the first layer and one more method is proposed.Comment: 5 pages, 2 figures, submitted to Advances in Astronomy and Space Physics, Vol. 4 (2014

Determination of dark matter type by X-ray sources statistics

The current cosmological model includes cold dark matter, which consists of massive nonrelativistic particles. There are also some observational and theoretical evidences for warm dark matter. The existence of warm DM can be examined by measuring of the galaxy clusters density profiles and accurate counting of dwarf galaxies. In this work I suppose that DM haloes are well traced by X-ray gas in clusters, groups, pairs and even single galaxies. The type of DM is inspected with the Xgal sample of 5021 X-ray emitting galaxies observed by XMM-Newton. The selection bias of this sample is also analyzed.Comment: 2 pages, 2 figures, submitted to Odessa Astronomy Publication

Football Fanaticism Levels of Turkish University Students in terms of Sports Literacy and Different Variables

This research aims to examine the fanaticism levels of university students in Kilis and its surrounding provinces in terms of sports literacy and some variables. The population of the research consists of approximately 120,000 students studying at 6 different universities in Kilis and its surrounding five provinces (Gaziantep, Hatay, Adıyaman, Osmaniye, Kahramanmaraş) in the south of Turkey. The sample of the study consists of a total of 480 students, 176 female and 304 male, randomly selected among the students studying at universities in Kilis and surrounding provinces in the 2022-2023 education period. A personal information form was used to collect information about the independent variables. The “Football Fans Fanaticism Scale” (FFFS), which was prepared by Taşmektepligil et al. (2015) was used as a data collection tool for the scale of the fanaticism levels of the students. While evaluating the findings obtained in the study, SPSS 25 was used for statistical analysis. While evaluating the study data, descriptive statistical methods were used. Independent sample T-Test and ANOVA Test were used in the analysis of the data. In the analyses, the level of significance was determined as p0.05. In the findings, it was determined that while there was a significant difference according to the age variable of the participants, the type of following the competitions and the gender variable, there was no significant difference on the fanaticism scale scores in terms of the variables of using licensed products and the team being supported. It was concluded that male individuals are more fanatical than females. Another conclusion is that the younger students were more fanatical than the older students. It has been found that those who follow the matches of the team support from stadiums and all channels have higher levels of fanaticism

İbret

Taha Toros Arşivi, Dosya No: 151-Asaf Tugay. Not: Kitap İstanbul Şehir Üniversitesi Kütüphane Koleksiyonunda mevcuttur