The velocity field and kinematics of the galaxy NGC 784 in the Hα line

被引：2
|
作者：
Kandalyan, RA [1 ]
Khassawneh, AM
Kalloghlian, AT
机构：
[1] VA Ambartsumian Byurakan Astrophys Observ, Byurakan, Armenia
[2] Al Al Bayt Univ, Inst Astron & Space Sci, Mafraq, Jordan
来源：
ASTROPHYSICS | 2003年 / 46卷 / 01期
关键词：
D O I：
10.1023/A:1022967620877
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
In this paper we present the Halpha map, the 2D velocity field, and the rotation curve of the galaxy NGC 784 obtained with the ByuFOSC2 scanning Fabry-Perot interferometer, attached at the prime focus of the 2.6-m telescope of Byurakan Observatory. The H-alpha image shows several HII condensations along the major axis of the galaxy. The galaxy has an asymmetric distribution of the a H-alpha emission. The rotation curve is quite symmetric with a low gradient in the central part of the galaxy.
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收藏
页码：74 / 80
页数：7
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