First results of the DIVING3D survey of bright galaxies in the local universe: The mini-DIVING3D sample

Autor: Roberto B. Menezes, Patrícia da Silva, Tiago V. Ricci, J. E. Steiner, D. M. Nicolazzi
Rok vydání: 2020
Předmět:
Zdroj: Proceedings of the International Astronomical Union. 15:450-451
ISSN: 1743-9221
1743-9213
DOI: 10.1017/s1743921320001581
Popis: We present the first results of the Deep Integral Field Spectroscopy View of Nuclei of Galaxies (DIVING3D) survey, obtained from the analysis of the nuclear emission-line spectra of a sub-sample we call mini-DIVING3D, including all southern galaxies with B < 11.2 and |b| >15°. In comparison with previous studies, very few galaxies were classified as Transition objects. A possible explanation is that at least part of the Transition objects are composite systems, with a central low-ionization nuclear emission-line region (LINER) contaminated by the emission from circumnuclear H II regions. The high spatial resolution of the DIVING3D survey allowed us to isolate the nuclear emission from circumnuclear contaminations, reducing the number of Transition objects.
Databáze: OpenAIRE