Star formation rates and the kinematics of gas in the spiral arms of NGC 628

被引：2
|
作者：
Gusev, A. S. [1 ]
Sakhibov, F. [2 ]
Efremov, Yu. N. [1 ]
机构：
[1] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow 119992, Russia
[2] Univ Appl Sci Mittelhessen, Dept Math Nat Sci & Data Proc, D-61169 Friedberg, Germany
来源：
ASTRONOMISCHE NACHRICHTEN | 2015年 / 336卷 / 04期
基金：
俄罗斯科学基金会;
关键词：
galaxies: individual (NGC 628); galaxies: kinematics and dynamics; HII regions; ISM: kinematics and dynamics; H-II REGIONS; OBSERVATIONAL EVIDENCE; ABUNDANCE GRADIENTS; NEARBY GALAXIES; HII-REGIONS; NGC-628; DISK; SUPERCLOUDS; ENVIRONMENT; PHOTOMETRY;
D O I：
10.1002/asna.201512170
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The relations between star formation rates along the spiral arms and the velocities of gas inflow into the arms in the grand-design galaxy NGC 628 were studied. We found that the radial distribution of the average star formation rate in individual star formation regions in regular spiral arms correlates with the velocity of gas inflow into the spiral arms. Both distributions have maxima at a galactocentric distance of 4.5-5 kpc. There are no correlations between the radial distributions of the average star formation rate in star formation regions in spiral arms and outside spiral arms in the main disc. We also did not find a correlation between the radial distribution of the average star formation rate in star formation regions in spiral arms and the H I column density. ((c) 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
引用
收藏
页码：401 / 408
页数：8
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