The gas emission spectrum in a star-forming region in the BCD galaxy VII Zw 403 (UGC 6456)

被引：4
|
作者：
Arkhipova, V. P.
Lozinskaya, T. A.
Moiseev, A. V.
Egorov, O. V.
机构：
[1] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow 119992, Russia
[2] Russian Acad Sci, Special Astrophys Observ, Nizhnii Arkhyz 357147, Russia
来源：
ASTRONOMY REPORTS | 2007年 / 51卷 / 11期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1134/S1063772907110017
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Observations with the 6-m telescope of the Special Astrophysical Observatory obtained with the MPFS panoramic spectrograph and a slit spectrograph with the SCORPIO focal reducer are used to analyze the emission spectrum of the ionized gas in a star-forming region in the BCD galaxy VII Zw 403. We present images of the galaxy's central region in Ha, H beta, [SII], and [OIII], together with maps of the relative [OIII]/H beta and [SII]/H alpha intensities. We have determined the parameters of the gas in bright ionized supershells, and estimated the relative abundances of oxygen, nitrogen, and sulfur; a low relative N/O abundance was detected.
引用
收藏
页码：871 / 881
页数：11
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