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

页码：871 / 881

页数：11

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