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- W2295922781 endingPage "203" @default.
- W2295922781 startingPage "203" @default.
- W2295922781 abstract "We present a sample of accreting supermassive black holes (SMBHs) in dwarf galaxies at $z<1$. We identify dwarf galaxies in the NEWFIRM Medium Band Survey with stellar masses $M_{star}<3times 10^{9} M_{odot}$ that have spectroscopic redshifts from the DEEP2 survey and lie within the region covered by deep (flux limit of $sim 5times 10^{-17} - 6times 10^{-16} rm{erg cm}^{-2} rm{s}^{-1}$) archival Chandra X-ray data. From our sample of $605$ dwarf galaxies, $10$ exhibit X-ray emission consistent with that arising from AGN activity. If black hole mass scales roughly with stellar mass, then we expect that these AGN are powered by SMBHs with masses of $sim 10^5-10^6 M_{odot}$ and typical Eddington ratios $sim 5%$. Furthermore, we find an AGN fraction consistent with extrapolations of other searches of $sim 0.6-3%$ for $10^9 M_{odot} leq M_{star} leq 3times 10^{9} M_{odot}$ and $0.1<z<0.6$. Our AGN fraction is in good agreement with a semi-analytic model, suggesting that as we search larger volumes we may use comparisons between observed AGN fractions and models to understand seeding mechanisms in the early universe." @default.
- W2295922781 created "2016-06-24" @default.
- W2295922781 creator A5024335460 @default.
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- W2295922781 creator A5089396634 @default.
- W2295922781 creator A5091650948 @default.
- W2295922781 date "2016-11-09" @default.
- W2295922781 modified "2023-10-14" @default.
- W2295922781 title "X-RAY DETECTED ACTIVE GALACTIC NUCLEI IN DWARF GALAXIES AT 0 <<i>z</i>< 1" @default.
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