Matches in SemOpenAlex for { <https://semopenalex.org/work/W2786016005> ?p ?o ?g. }
- W2786016005 endingPage "4873" @default.
- W2786016005 startingPage "4846" @default.
- W2786016005 abstract "We present the latest results of a semi-analytic galaxy formation model, ‘New Numerical Galaxy Catalogue’, which utilizes large cosmological N-body simulations. This model can reproduce many statistical properties of galaxies at z ≲ 6. We focus on the properties of active galactic nuclei (AGNs) and supermassive black holes, especially on the accretion time-scale on to black holes (BHs). We find that the number density of AGNs at z < 1.5 and at hard X-ray luminosity <1044 erg s−1 is underestimated compared with recent observational estimates when we assume the exponentially decreasing accretion rate and the accretion time-scale which is proportional to the dynamical time of the host halo or the bulge, as is often assumed in semi-analytic models. We show that to solve this discrepancy, the accretion time-scale of such less luminous AGNs should be a function of the BH mass and the accreted gas mass. This time-scale can be obtained from a phenomenological modelling of the gas angular momentum loss in the circumnuclear torus and/or the accretion disc. Such models predict a longer accretion time-scale for less luminous AGNs at z < 1.0 than luminous QSOs whose accretion time-scale would be 107–8 yr. With this newly introduced accretion time-scale, our model can explain the observed luminosity functions of AGNs at z < 6.0." @default.
- W2786016005 created "2018-02-23" @default.
- W2786016005 creator A5007688768 @default.
- W2786016005 creator A5010239155 @default.
- W2786016005 creator A5010448687 @default.
- W2786016005 creator A5012610667 @default.
- W2786016005 creator A5028443602 @default.
- W2786016005 creator A5063868921 @default.
- W2786016005 creator A5072277804 @default.
- W2786016005 creator A5079587437 @default.
- W2786016005 creator A5085231807 @default.
- W2786016005 creator A5090373136 @default.
- W2786016005 date "2018-11-01" @default.
- W2786016005 modified "2023-10-15" @default.
- W2786016005 title "The New Numerical Galaxy Catalogue (<i>ν</i>2<i>GC</i>): properties of active galactic nuclei and their host galaxies" @default.
- W2786016005 cites W1593965736 @default.
- W2786016005 cites W1724036414 @default.
- W2786016005 cites W1753711873 @default.
- W2786016005 cites W1835527803 @default.
- W2786016005 cites W1839080075 @default.
- W2786016005 cites W1904966658 @default.
- W2786016005 cites W1907817908 @default.
- W2786016005 cites W1911322997 @default.
- W2786016005 cites W1929623410 @default.
- W2786016005 cites W1963778122 @default.
- W2786016005 cites W1965134192 @default.
- W2786016005 cites W1970660289 @default.
- W2786016005 cites W1973368884 @default.
- W2786016005 cites W1976151395 @default.
- W2786016005 cites W1976761078 @default.
- W2786016005 cites W1976866361 @default.
- W2786016005 cites W1977745211 @default.
- W2786016005 cites W1985952407 @default.
- W2786016005 cites W1989645959 @default.
- W2786016005 cites W1990401433 @default.
- W2786016005 cites W1994671833 @default.
- W2786016005 cites W1996263110 @default.
- W2786016005 cites W1998577648 @default.
- W2786016005 cites W1999149150 @default.
- W2786016005 cites W1999504008 @default.
- W2786016005 cites W2001652499 @default.
- W2786016005 cites W2002044265 @default.
- W2786016005 cites W2002811240 @default.
- W2786016005 cites W2007454724 @default.
- W2786016005 cites W2010078196 @default.
- W2786016005 cites W2013759984 @default.
- W2786016005 cites W2021571115 @default.
- W2786016005 cites W2025165550 @default.
- W2786016005 cites W2029319328 @default.
- W2786016005 cites W2029445285 @default.
- W2786016005 cites W2029549987 @default.
- W2786016005 cites W2034241894 @default.
- W2786016005 cites W2035547408 @default.
- W2786016005 cites W2035936423 @default.
- W2786016005 cites W2035948337 @default.
- W2786016005 cites W2036319176 @default.
- W2786016005 cites W2038561135 @default.
- W2786016005 cites W2039241537 @default.
- W2786016005 cites W2049219666 @default.
- W2786016005 cites W2050711140 @default.
- W2786016005 cites W2050942819 @default.
- W2786016005 cites W2050990527 @default.
- W2786016005 cites W2052959262 @default.
- W2786016005 cites W2057490476 @default.
- W2786016005 cites W2057676648 @default.
- W2786016005 cites W2057737166 @default.
- W2786016005 cites W2058960172 @default.
- W2786016005 cites W2059106820 @default.
- W2786016005 cites W2060357694 @default.
- W2786016005 cites W2060415234 @default.
- W2786016005 cites W2062237753 @default.
- W2786016005 cites W2062713883 @default.
- W2786016005 cites W2065511007 @default.
- W2786016005 cites W2072315698 @default.
- W2786016005 cites W2076581573 @default.
- W2786016005 cites W2076860642 @default.
- W2786016005 cites W2080261242 @default.
- W2786016005 cites W2085543184 @default.
- W2786016005 cites W2087432755 @default.
- W2786016005 cites W2089167229 @default.
- W2786016005 cites W2090046995 @default.
- W2786016005 cites W2090459210 @default.
- W2786016005 cites W2090698037 @default.
- W2786016005 cites W2101058963 @default.
- W2786016005 cites W2104127586 @default.
- W2786016005 cites W2105880576 @default.
- W2786016005 cites W2107337450 @default.
- W2786016005 cites W2110709935 @default.
- W2786016005 cites W2113282530 @default.
- W2786016005 cites W2114278989 @default.
- W2786016005 cites W2123560671 @default.
- W2786016005 cites W2126463357 @default.
- W2786016005 cites W2127888248 @default.
- W2786016005 cites W2127984363 @default.
- W2786016005 cites W2129591860 @default.
- W2786016005 cites W2129760210 @default.
- W2786016005 cites W2130240488 @default.
- W2786016005 cites W2130385608 @default.