The Messenger Astronomical Science

Chilean AGN/Galaxy Extragalactic Survey (ChANGES)

Authors
  • Bauer, Franz E. [Pontificia Universidad Católica de Chile, Santiago, Chile; Millennium Institute of Astrophysics, Pontificia Universidad Católica de Chile, Santiago, Chile]
  • Lira, Paulina [University of Chile, Santiago, Chile]
  • Anguita, Timo [Millennium Institute of Astrophysics, Pontificia Universidad Católica de Chile, Santiago, Chile; Universidad Andrés Bello, Santiago, Chile]
  • Arevalo, Patricia [Universidad de Valparaíso, Chile]
  • Assef, Roberto [Diego Portales University, Santiago, Chile]
  • Barrientos, Felipe [Pontificia Universidad Católica de Chile, Santiago, Chile]
  • Berg, Trystyn [Milan-Bicocca University, Italy]
  • Bernal, Santiago [Universidad de Valparaíso, Chile]
  • Bian, Fuyan [European Southern Observatory (ESO)]
  • Boquien, Médéric [University of Antofagasta, Chile]
  • Buat, Veronique [Marseille Astrophysics Laboratory, France]
  • Chilingarian, Igor [Center for Astrophysics, Harvard and Smithsonian, USA; Sternberg Astronomical Institute, M.V. Lomonosov Moscow State University, Russia]
  • Coppi, Paolo [Yale University, New Haven, USA]
  • De Cicco, Demetra [Federico II University of Naples, Italy]
  • Diaz, Yaherlyn [Diego Portales University, Santiago, Chile]
  • Grishin, Kirill [Sternberg Astronomical Institute, M.V. Lomonosov Moscow State University, Russia; APC Laboratory, University of Paris, France]
  • Hernandez-Garcia, Lorena [Millennium Institute of Astrophysics, Pontificia Universidad Católica de Chile, Santiago, Chile; Universidad de Valparaíso, Chile]
  • Kakkad, Darshan [Space Telescope Science Institute, Baltimore, USA]
  • Katkov, Ivan [Sternberg Astronomical Institute, M.V. Lomonosov Moscow State University, Russia; New York University Abu Dhabi, UAE]
  • Krogager, Jens-Kristian [Lyon Astrophysics Research Centre, France]
  • López-Navas, Elena [Universidad de Valparaíso, Chile]
  • Martínez-Ramírez, Laura N. [Pontificia Universidad Católica de Chile, Santiago, Chile; Millennium Institute of Astrophysics, Pontificia Universidad Católica de Chile, Santiago, Chile]
  • Mazzucchelli, Chiara [Diego Portales University, Santiago, Chile]
  • Motta, Veronica [Universidad de Valparaíso, Chile]
  • Ricci, Federica [Roma Tre University, Italy]
  • Ricci, Claudio [Diego Portales University, Santiago, Chile]
  • Rojas, Alejandra [Diego Portales University, Santiago, Chile; University of Antofagasta, Chile]
  • Rouse, Benedict [Pontificia Universidad Católica de Chile, Santiago, Chile]
  • Sánchez-Sáez, Paula [European Southern Observatory (ESO)]
  • Toptun, Victoria [Sternberg Astronomical Institute, M.V. Lomonosov Moscow State University, Russia]
  • Treister, Ezequiel [Pontificia Universidad Católica de Chile, Santiago, Chile]
  • Vito, Fabio [INAF-OAS, Bologna, Italy]

Section
Astronomical Science
Abstract

4MOST-ChANGES will target a legacy sample of active galactic nuclei (AGN), based on optical continuum variability and spectral energy distribution (SED) selection from several existing sur- veys, and ultimately complemented by Rubin LSST to: 1) constrain the low-MBH, low-L/LEdd end of the accretion and black hole (BH) density functions to z ~ 1, and, by extension, BH seed models; 2) investigate correlations among AGN (MBH, L/LEdd, ultraviolet slope, outflows, variability) and host properties (stellar age, metallicity, kinematics); 3) confirm/characterise rare BH subsamples (extreme variability, tidal disruption events, lensed, intervening absorption line systems) for detailed multi-wavelength follow-up studies.


Dates
Created: 2023-03-01/2023-03-31
Length
4 pages

Cite this article:

Bauer, F., Lira, P., Anguita, T., Arevalo, P., Assef, R., Barrientos, F., Berg, T., Bernal, S., Bian, F., Boquien, M., Buat, V., Chilingarian, I., Coppi, P., De Cicco, D., Diaz, Y., Grishin, K., Hernandez-Garcia, L., Kakkad, D., Katkov, I., Krogager, J., López-Navas, E., Martínez-Ramírez, L., Mazzucchelli, C., Motta, V., Ricci, F., Ricci, C., Rojas, A., Rouse, B., Sánchez-Sáez, P., Toptun, V., Treister, E., Vito, F.; Chilean AGN/Galaxy Extragalactic Survey (ChANGES). The Messenger 190 (March 2023): 34–37. https://doi.org/10.18727/0722-6691/5309