Zobrazeno 1 - 10 of 75 pro vyhledávání: '"Ryszard Szczerba"'
1
Akademický článek
Photochemical origin of SiC2 in the circumstellar envelope of carbon-rich AGB stars revealed by ALMA
Autor: Yanan Feng, Xiaohu Li, Tom J. Millar, Ryszard Szczerba, Ke Wang, Donghui Quan, Shengli Qin, Xuan Fang, Juan Tuo, Zhenzhen Miao, Rong Ma, Fengwei Xu, Jingfei Sun, Biwei Jiang, Qiang Chang, Jianchao Yang, Gao-Lei Hou, Fangfang Li, Yong Zhang
Publikováno v: Frontiers in Astronomy and Space Sciences, Vol 10 (2023)
The fact that whether SiC2 is a parent species, formed in the photosphere or as a by-product of high-temperature dust formation, or a daughter species, formed in chemistry driven by the photodestruction of the parent species in the outer envelope, ha
Externí odkaz: https://doaj.org/article/5227d150519048538e3647ae1b59de05
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2
Akademický článek
A λ 3 mm Line Survey toward the Circumstellar Envelope of the Carbon-rich AGB Star IRC+10216 (CW Leo)
Autor: Juan Tuo, Xiaohu Li, Jixian Sun, Tom J. Millar, Yong Zhang, Jianjie Qiu, Donghui Quan, Jarken Esimbek, Jianjun Zhou, Yu Gao, Qiang Chang, Lin Xiao, Yanan Feng, Zhenzhen Miao, Rong Ma, Ryszard Szczerba, Xuan Fang
Publikováno v: The Astrophysical Journal Supplement Series, Vol 271, Iss 2, p 45 (2024)
We present an unbiased λ 3 mm spectral line survey (between 84.5 and 115.8 GHz), conducted by the Purple Mountain Observatory 13.7 m radio telescope, together with updated modeling results, toward the carbon-rich asymptotic giant branch star IRC+102
Externí odkaz: https://doaj.org/article/4948caca9a9149ee983b548251fdcd65
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3
Akademický článek
Machine learning methods as an aid in planning orthodontic treatment on the example of Cone-Beam Computed Tomography analysis: a literature review
Autor: Szymon Płotka, Tomasz Włodarczyk, Ryszard Szczerba, Anna Chomiak, Oskar Komisarek
Publikováno v: Journal of Education, Health and Sport, Vol 11, Iss 1, Pp 94-104 (2021)
Convolutional neural networks (CNNs) are used in many areas of computer vision, such as object tracking and recognition, security, military, and biomedical image analysis. In this work, we describe the current methods, the architectures of deep convo
Externí odkaz: https://doaj.org/article/10c8d638a43c436e86909fe2daa430a5
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4
Akademický článek
BLR Size in Realistic FRADO Model: The Role of Shielding Effect
Autor: Mohammad-Hassan Naddaf, Bożena Czerny, Ryszard Szczerba
Publikováno v: Frontiers in Astronomy and Space Sciences, Vol 7 (2020)
The effective size of broad line region (BLR), so-called the BLR radius, in galaxies with active galactic nuclei (AGN) scales with the source luminosity. Therefore, by determining this location either observationally through reverberation mapping or
Externí odkaz: https://doaj.org/article/811c04316a784bcca99a8901477e9bf2
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6
A census of young stellar objects in two line-of-sight star-forming regions toward IRAS 22147+5948 in the outer Galaxy
Autor: Agata Karska, Maciej Koprowski, Aleksandra Solarz, Ryszard Szczerba, Marta Sewiło, Natasza Siódmiak, Davide Elia, Marcin Gawroński, Konrad Grzesiak, Bosco H. K. Yung, William J. Fischer, Lars E. Kristensen
Publikováno v: Karska, A, Koprowski, M, Solarz, A, Szczerba, R, Sewilo, M, Siodmiak, N, Elia, D, Gawronski, M, Grzesiak, K, Yung, B H K, Fischer, W J & Kristensen, L E 2022, ' A census of young stellar objects in two line-of-sight star-forming regions toward IRAS 22147+5948 in the outer Galaxy ', Astronomy & Astrophysics, vol. 663, 133 . https://doi.org/10.1051/0004-6361/202141676
(abridged) Star formation in the outer Galaxy, i.e., outside of the Solar circle, has been lightly studied in part due to low CO brightness of molecular clouds linked with the negative metallicity gradient. Recent infrared surveys provide an overview
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b5dd2d4d7f4072a266164cc5e0bed79d
https://doi.org/10.1051/0004-6361/202141676
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7
Machine learning methods as an aid in planning orthodontic treatment on the example of Cone-Beam Computed Tomography analysis: a literature review
Autor: Tomasz Włodarczyk, Oskar Komisarek, Szymon Płotka, Ryszard Szczerba, Anna Chomiak
Publikováno v: Journal of Education, Health and Sport, Vol 11, Iss 1, Pp 94-104 (2021)
PłotkaSzymon, Włodarczyk Tomasz, Szczerba Ryszard, Chomiak Anna,Komisarek Oskar. Machine learning methods as an aid in planning orthodontic treatment on the example of Cone-Beam Computed Tomography analysis: a literature review.Journal of Education
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::be3892a7c6baa54121dade78aa9a1324
https://zenodo.org/record/4459147
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8
The picture of BLR in 2.5-D FRADO: Dynamics & Geometry
Autor: Bozena Czerny, M.H. Naddaf, Ryszard Szczerba
The dynamics of the Broad Line Region (BLR) in Active galaxies is an open question, direct observational constraints suggest a predominantly Keplerian motion, with possible traces of inflow or outflow. In this paper we study in detail the physically
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bf449b3e0997cbbd46da334801486df4
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10
Planetary Nebulae Detected in the AKARI Far-IR All-Sky Survey Maps
Autor: Andrew G. Fullard, Toshiya Ueta, Ryszard Szczerba, Satoshi Takita
Publikováno v: Proceedings of the International Astronomical Union. 14:522-524
The AKARI Far-IR All-Sky Survey (AFASS) maps produced by the AKARI Infrared Astronomical Satellite enabled us to probe the far-IR sky for objects having surface brightnesses greater than a few to a couple of dozen MJy sr−1. Recently, we have verifi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aa702f592d8a0efb134da2f2464e995d
https://doi.org/10.1017/s1743921318006452
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