Induced activity in mixed-morphology galaxy pairs
Por:
González J.J., Krongold Y., Dultzin D., Hernández-Toledo H.M., Huerta E.M., Olguín L., Marziani P., Cruz-González I.
Publicada:
1 ene 2008
Resumen:
Results from a spectroscopic study of the nuclear emission of a sample of 97 spirals in isolated galaxy pairs with mixed morphology (E+S) are presented and discussed. The Main results of this study are: (1) AGN activity is found in 40% of the spiral galaxies in these pairs, (2) Only one out of the 39 AGN found shows type 1 activity, and (3) AGN tend to have closer companions than star forming galaxies. These results are at odds with a simple Unified Model for Seyferts, where only obscuration/orientation effects are of relevance, and neatly support an evolutionary scenario where interactions trigger nuclear activity. © 2008: Instituto de Astronomía.
Filiaciones:
González J.J.:
Instituto de Astronomía, Universidad Nacional Autónoma de México, México, D. F, Mexico
Krongold Y.:
Instituto de Astronomía, Universidad Nacional Autónoma de México, México, D. F, Mexico
Dultzin D.:
Instituto de Astronomía, Universidad Nacional Autónoma de México, México, D. F, Mexico
Hernández-Toledo H.M.:
Instituto de Astronomía, Universidad Nacional Autónoma de México, México, D. F, Mexico
Huerta E.M.:
Centro de Radioastronomía y Astrofísica, Universidad Nacional Autónoma de México, Morelia, Michoacán, Mexico
Olguín L.:
Instituto de Astronomía, Universidad Nacional Autónoma de México, México, D. F, Mexico
Marziani P.:
INAF, Osservatorio Astronomico di Padova, Italy
Cruz-González I.:
Instituto de Astronomía, Universidad Nacional Autónoma de México, México, D. F, Mexico
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