Star formation efficiency and AGN feedback in narrow-line Seyfert 1 galaxies with fast X-ray nuclear winds

Author:

Salomé Q12ORCID,Krongold Y3ORCID,Longinotti A L3ORCID,Bischetti M45,García-Burillo S6,Vega O7,Sánchez-Portal M8,Feruglio C59,Jiménez-Donaire M J610,Zanchettin M V115

Affiliation:

1. Finnish Centre for Astronomy with ESO (FINCA), University of Turku , Vesilinnantie 5, FI-20014 Turku , Finland

2. Aalto University Metsähovi Radio Observatory , Metsähovintie 114, FI-02540 Kylmälä , Finland

3. Instituto de Astronomía, Universidad Nacional Autónoma de México , AP 70-264, Ciudad de México, CDMX 04510 , Mexico

4. Dipartimento di Fisica, Universitá di Trieste , Sezione di Astronomia, Via G. Tiepolo 11, I-34131 Trieste , Italy

5. INAF Osservatorio Astronomico di Trieste , via G. Tiepolo 11, I-34143 Trieste , Italy

6. Observatorio Astronómico Nacional (IGN) , C/Alfonso XII 3, E-28014 Madrid , Spain

7. Instituto Nacional de Astrofísica, Óptica y Electrónica , Óptica y Electrónica, Luis E. Erro 1, Tonantzintla 72840, Puebla , Mexico

8. Institut de Radioastronomie Millimétrique , Avenida Divina Pastora 7, Local 20, E-18012 Granada , Spain

9. IFPU-Institute for Fundamental Physics of the Universe , via Beirut 2, I-34014 Trieste , Italy

10. Centro de Desarrollos Tecnológicos, Observatorio de Yebes (IGN) , E-19141 Yebes, Guadalajara , Spain

11. SISSA , Via Bonomea 265, I-34136 Trieste , Italy

Abstract

ABSTRACT We present the first systematic study of the molecular gas and star formation efficiency in a sample of ten narrow-line Seyfert 1 galaxies selected to have X-ray Ultra Fast Outflows and, therefore, to potentially show AGN feedback effects. CO observations were obtained with the IRAM 30-m telescope in six galaxies and from the literature for four galaxies. We derived the stellar mass, star formation rate, AGN, and FIR dust luminosities by fitting the multi-band spectral energy distributions with the CIGALE code. Most of the galaxies in our sample lie above the main sequence (MS), and the molecular depletion time is one to two orders of magnitude shorter than the one typically measured in local star-forming galaxies. Moreover, we found a promising correlation between the star formation efficiency and the Eddington ratio, as well as a tentative correlation with the AGN luminosity. The role played by the AGN activity in the regulation of star formation within the host galaxies of our sample remains uncertain (little or no effect? positive feedback?). Nevertheless, we can conclude that quenching by the AGN activity is minor and that star formation will likely stop in a short time due to gas exhaustion by the current starburst episode.

Funder

INSU,CNRS

Max-Planck-Gesellschaft

National Aeronautics and Space Administration

National Endowment for Democracy

Jet Propulsion Laboratory

California Institute of Technology

Alfred P. Sloan Foundation

National Science Foundation

U.S. Department of Energy

Higher Education Funding Council for England

Office of Science

DGAPA

MIUR

Ministerio de Ciencia e Innovación

Publisher

Oxford University Press (OUP)

Subject

Space and Planetary Science,Astronomy and Astrophysics

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