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Measuring the diffuse ionized gas in galaxies

Measuring the diffuse ionized gas in galaxies
测量星系中的扩散电离气体
批准号：
395587141
负责人：
Professor Dr. Martin Matthias Roth
金额：
$0.0万
依托单位：
Leibniz-Institut für Astrophysik Potsdam (AIP)
依托单位国家：
德国
项目类别：
Research Grants
财政年份：
2017
资助国家：
德国
项目状态：
已结题
起止时间：
2016-12-31 至 2018-12-31
来源：
https://gepris.dfg.de/gepris/projekt/395587141?language=en
关键词：
Measuringdiffuseionizedgasgalaxies

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中文摘要
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英文摘要
The goal of this project is to perform deep PMAS observations of low Halpha surface brightness regions in nearby galaxies to shed light on the nature of the diffuse ionized gas (DIG) component that has often been attributed to Lyman continuum radiation leaking from HII regions. Recent evidence obtained with the MUSE instrument at the VLT is suspiciously pointing to a possible shock excitation origin of the DIG rather than photoionization. We shall utilize the high efficiency of PMAS for low intensity emission to map out regions close to and farther away from luminous HII regions in several nearby galaxies in order to constrain the likely cause for ionization as observable in Halpha, Hbeta, [OI],[OII][OIII],[NII],[SII].
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PMAS observations at the Calar Alto 3.5m Teleskop: Measuring the diffuse ionized gas in galaxies
PMAS observing campaign at Calar Alto 3.5m Telescope "Ionised haloes in the Lyman Alpha Reference Sample"
PMAS observations at the Calar Alto 3.5m Teleskop: Measuring the diffuse ionized gas in galaxies
PMAS observing campaign at Calar Alto 3.5m Telescope "Initial conditions for Lyman-alpha radiative transfer in galaxies"
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