Searching for AGN Signatures in HST WFC3/IR Grism Spectra of Clumpy Galaxies at 0.5 < z < 2

Details Searching for AGN Signatures in HST WFC3/IR Grism Spectra of Clumpy Galaxies at 0.5 < z < 2 Searching for AGN Signatures in HST WFC3/IR Grism Spectra of Clumpy Galaxies at 0.5 < z < 2

Jan 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012aas...21924311h&link_type=abstract

American Astronomical Society, AAS Meeting #219, #243.11

Mathematics

Probability

Scientific paper

The recent discovery of a "clumpy” galaxy with three actively growing black holes in separate clumps at z = 1.35 raises the possibility of supermassive black holes (SMBHs) forming in situ within gas clouds at later epochs than previously expected. We carry out a systematic search for 0.5 < z < 2 galaxies containing multiple active galactic nuclei (AGN) by examining clumpy galaxies with Hubble Space Telescope WFC3/IR grism survey data. We select our sample of clumpy galaxies using SExtractor and galaxy classifications from the Hubble Zoo citizen science project. We then analyze the grism data of individual clumps within each galaxy to characterize the probability of SMBHs forming and growing in the clumps of forming disk galaxies at 0.5 < z < 2.

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