河外恒星形成复合体的光度测量和运动学

IF 0.5 4区物理与天体物理 Q4 ASTRONOMY & ASTROPHYSICS

Open Astronomy Pub Date : 2022-01-01 DOI:10.1515/astro-2022-0018

A. Kuzin, D. Lisitsin

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引用次数: 1

摘要

摘要我们研究了河外恒星形成复合体（SFCs）的光谱和光度性质。SFC是在附近17个螺旋或不规则类型的星系中选择的，这些星系的倾角小于45°，距离小于15 Mpc。为了识别SFCs，我们开发了一种基于160μm 160\ hspace｛0.33em｝｛\rm｛\mu｝｝和8μm 8\ hspace{0.33em}｛\rm｛\mu}｝（多环芳烃）的匹配排放源的方法。利用不同光谱带的光度法，考虑了螺旋星系和不规则星系SFC性质之间的相关性。对几种SFC进行了光谱和运动学分析，并提出了一种检测这些SFC中气体运动模式的方法。

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Photometry and kinematics of extragalactic star-forming complexes

Abstract We investigate spectral and photometric properties of extragalactic star-forming complexes (SFCs). The SFCs were selected in 17 nearby galaxies of a spiral or irregular type, having inclinations less than 45° and distances less than 15 Mpc. To identify SFCs, we developed a method based on matching sources of emission at 160 μ m 160\hspace{0.33em}{\rm{\mu }}{\rm{m}} (cold dust) and 8 μ m 8\hspace{0.33em}{\rm{\mu }}{\rm{m}} (polycyclic aromatic hydrocarbons). Using photometry in different spectral bands, correlations between SFC properties for spiral and irregular galaxies were considered. Spectral and kinematic analysis was carried out for several SFCs, and a method to detect gas motion patterns in these SFCs was suggested.

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来源期刊

Open Astronomy Physics and Astronomy-Astronomy and Astrophysics

CiteScore

1.30

自引率

14.30%

发文量

审稿时长

16 weeks

期刊介绍： The journal disseminates research in both observational and theoretical astronomy, astrophysics, solar physics, cosmology, galactic and extragalactic astronomy, high energy particles physics, planetary science, space science and astronomy-related astrobiology, presenting as well the surveys dedicated to astronomical history and education.