OPTICAL SPECTROSCOPY OF MAGELLANIC CLOUD PLANETARY-NEBULAE .2.

被引:79
作者
MEATHERINGHAM, SJ
DOPITA, MA
机构
[1] Mt. Stromlo Siding Spring O., Institute of Advanced Studies, Australian National University, Canberra, ACT
关键词
GALAXIES; MAGELLANIC CLOUDS; NEBULAE; PLANETARY;
D O I
10.1086/191592
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present optical spectroscopy in the range 3300-7800 angstrom for a total of 37 planetary nebulae in the LMC and seven in the SMC. Together with the objects from the first paper in this series, we now have accurate emission-line intensities down to a few percent of H-beta for 77 nebulae in the Magellanic Clouds. Agreement with other authors is excellent. Reddening estimates from Balmer line ratios have been determined, and the line intensities have been dereddened accordingly. Nebular [O III] electron temperatures, and where measurable [S II] densities, are derived. [O II] electron densities are recalculated using appropriate electron temperatures. The [S II] and [O II] electron densities correlate well, with n(e)([O II]) > n(e)([S II]). Zanstra temperatures are derived for 22 objects possessing detectable stellar continua. These temperatures are in agreement with photoionization modeling of this sample.
引用
收藏
页码:1085 / 1098
页数:14
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