The spectral energy distribution of the low-luminosity AGN NGC 3115

• Grant number: 15/26831-1
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: May 01, 2016
• End date: December 31, 2016
• Field of knowledge: Physical Sciences and Mathematics - Astronomy - Extragalactic Astrophysics
• Principal Investigator: Rodrigo Nemmen da Silva
• Grantee: Ivan Carlos de Almeida
• Host Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

NGC 3115 is the nearest elliptical galaxy hosting a >1E9 solar masses black hole and is also a low-luminosity active galactic nucleus (LLAGN). X-ray observations of this LLAGN provide us with spatially resolved spectral information on the hot gas within the sphere of gravitational influence of the supermassive black hole (SMBH). These observations make NGC 3115 one of the best testbeds for the theory of hot accretion flows in galactic nuclei. The goal of this IC project is to compile and model the multiwavelength, spectral energy distribution (SED) of the accreting SMBH in the nucleus of NGC 3115. Our specific goals are (I) obtain the radio to X-rays nuclear SED of NGC 3115 from existing observations in the literature and (II) model the observed SED with radiative models of hot accretion flows -- as appropriate for LLAGNs -- assessing whether theory reproduces observations.

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

ALMEIDA, IVAN; NEMMEN, RODRIGO; WONG, KA-WAH; WU, QINGWEN; IRWIN, JIMMY A.. The multiwavelength spectrum of NGC 3115: hot accretion flow properties. Monthly Notices of the Royal Astronomical Society, v. 475, n. 4, p. 5398-5402, APR 2018. (15/26831-1, 16/24857-6)