Limits on Vibrationally Excited HCN Emission in Four HCN-enhanced GOALS Galaxies
Jeff,Desmond L.1; Privon,George C.1; Evans,Aaron2,3; Murphy,Eric J.3; Barcos-Mu?oz,Loreto2,3; Aalto,Susanne4; Díaz-Santos,Tanio5,6
Source PublicationResearch Notes of the AAS
AbstractAbstract Vibrationally excited HCN emission can be used to identify luminous, optically obscured active galactic nucleus. We report Band 7 ALMA observations of four HCN-enhanced GOALS galaxies and derive upper limits to their vibrationally excited HCN emission. These upper limits and the lack of self-absorbed HCO+ line profiles imply that luminous, optically obscured energy sources are not present in this sample of systems.
KeywordActive galactic nuclei Molecular gas Luminous infrared galaxies Starburst galaxies
WOS IDIOP:2515-5172-4-5-ab95a6
PublisherThe American Astronomical Society
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Document Type期刊论文
Affiliation1.Department of Astronomy, University of Florida, 211 Bryant Space Science Center P.O Box 112055, Gainesville, FL 32611-2055, USA
2.Astronomy Department, University of Virginia, 530 McCormick Road, Charlottesville, VA 22904, USA
3.National Radio Astronomy Observatory, 520 Edgemont Road, Charlottesville, VA 22903, USA
4.Department of Space, Earth and Environment, Chalmers University of Technology, SE-412 96, Gothenburg, Sweden
5.Núcleo de Astronomía, Facultad de Ingeniería y Ciencias, Universidad Diego Portales, Ejército Libertador 441, Santiago 8320000, Chile
6.Chinese Academy of Sciences South America Center for Astronomy (CASSACA), National Astronomical Observatories, CAS, Beijing 100101, People’s Republic of China
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GB/T 7714
Jeff,Desmond L.,Privon,George C.,Evans,Aaron,et al. Limits on Vibrationally Excited HCN Emission in Four HCN-enhanced GOALS Galaxies[J]. Research Notes of the AAS,2020,4(5).
APA Jeff,Desmond L..,Privon,George C..,Evans,Aaron.,Murphy,Eric J..,Barcos-Mu?oz,Loreto.,...&Díaz-Santos,Tanio.(2020).Limits on Vibrationally Excited HCN Emission in Four HCN-enhanced GOALS Galaxies.Research Notes of the AAS,4(5).
MLA Jeff,Desmond L.,et al."Limits on Vibrationally Excited HCN Emission in Four HCN-enhanced GOALS Galaxies".Research Notes of the AAS 4.5(2020).
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