Computer Science
Scientific paper
Oct 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010atnf.prop.3383r&link_type=abstract
ATNF proposal V429, Semester: October, 2010
Computer Science
Active Galactic Nuclei / Quasars, Lba
Scientific paper
Few dwarf galaxies are known to host AGN. However, observations of these rare objects can provide important constraints on the properties of "seed" black holes that ultimately grow to millions or billions of solar masses. We propose to use the LBA to test whether the dwarf starburst galaxy Henize 2-10 harbors an obscured low-luminosity AGN (LLAGN). Previous radio continuum observations with the Very Large Array reveal a compact steep spectrum source at the dynamical center of the galaxy that is consistent with the position of a hard X-ray Chandra point source. The proposed LBA observations at 1.6 and 8.4 GHz will 1) reveal the parsec-scale structure of the radio emission, 2) determine if a large scale (~100 pc) radio jet is associated with the nuclear source, and 3) constrain the nature of the off-nuclear radio emission in Henize 2-10. The presence of a LLAGN in a dwarf starburst galaxy would greatly impact our understanding of the origin and growth of supermassive black holes and their relationship to the starburst phenomenon.
Deller Adam
Johnson Kelsey
Reines Amy
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