The relation between star formation and active nuclei

Details The relation between star formation and active nuclei The relation between star formation and active nuclei

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987nascp2466..633r&link_type=abstract

Star formation in galaxies, Proceedings of a conference at the California Institute of Technology, Pasadena, California, June 16

Computer Science

3

Galactic Nuclei, Line Spectra, Radio Bursts, Star Formation, Stellar Spectra, Absorption Spectra, Cosmic Dust, Interstellar Matter, Luminous Intensity, Radiation Absorption, Starburst Galaxies, Stellar Luminosity, Supernovae

Scientific paper

Three questions relevant to the relation between an active nucleus and surrounding star formation are discussed. The infrared stellar CO absorption bands can be used to identify galaxies with large populations of young, massive stars and thus can identify strong starburst unambiguously, such as in NGC 6240, and can help identify composite active/starburst systems such as Arp 220. An active nucleus is probably not required for LINER spectral characteristics; dusty starburst galaxies, particularly if they are nearly edge-on, can produce LINER spectra through the shock heating of their interstellar media by supernovae combined with the obscuration of their nuclei in the optical. The Galactic Center would be an ideal laboratory for studying the interaction of starbursts and active nuclei, if both could be demonstrated to occur there. Failure to detect a cusp in the stellar distribution raises questions about the presence of an active nucleus, which should be answered by additional observations in the near future.

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