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Nuclear ionised outflows in a sample of 30 local galaxies.
- Source :
- Proceedings of the International Astronomical Union; Mar2021, Vol. 15 Issue S359, p249-254, 6p
- Publication Year :
- 2019
-
Abstract
- Understanding active galactic nuclei (AGN) feedback is essential for building a coherent picture of the evolution of the super massive black hole and its host galaxy. To that end we have analysed the inner kiloparsec of a sample of 30 local AGN with spatially resolved optical spectroscopy. In this talk I will review the analysis of the ionised gas for the galaxies in our sample, including kinematical maps, emission line ratios and fluxes. The W<subscript>80</subscript> kinematical index is used to trace outflows, and also to provide an estimate for the outflowing velocity. Electron densities, derived from the [S II] ΛΛ6716, 6731Å lines, along with Hα luminosities and the sizes of the outflowing regions are employed in estimates of the outflowing gas mass. We find a median mass outflow rate of Ṁ = 0.3 M<subscript>⊙</subscript> yr<superscript>-1</superscript> and median outflow power of log [P/(erg s<superscript>-1</superscript>)] = 40.4. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 17439213
- Volume :
- 15
- Issue :
- S359
- Database :
- Complementary Index
- Journal :
- Proceedings of the International Astronomical Union
- Publication Type :
- Academic Journal
- Accession number :
- 149533159
- Full Text :
- https://doi.org/10.1017/S1743921320002446