Документ взят из кэша поисковой машины. Адрес оригинального документа : http://www.atnf.csiro.au/research/Astro2008/Postings/Michael_Brown_Disc.pdf Дата изменения: Thu Jun 26 05:00:31 2008 Дата индексирования: Sat Sep 6 20:37:41 2008 Кодировка: Поисковые слова: m 101


van Dokkum (2005)


SDSS LRGs
See Masjedi et al. (2006 & 2008) Absolute magnitude of MB~-22.2 BH masses of ~6x109 Solar Masses Space density of ~3.7x10-5 Mpc-3 SDSS LRG-LRG merger rate of 0.6x10-4 Gyr-1 Gpc-3 No (1+z)3 evolution. Lower bound?
0.6 в 10 ~ 10 ~ 10 -2 -7 -4 Gyr -1 -1 Gpc -3 в 167 Gpc 3

Gyr yr

-1


Space Density


Evolving LF
Absolute magnitude of MB~-22.2 BH masses of 6x109 Solar Masses Space density of ~3.7x10-5 Mpc-3 30% growth between z=1 and z=0. Assume all growth from 1:1 mergers. Upper bound?

9 0.3 3.7 в 10 Mpc в в 167 в 10 7 Gyr 5 -1 ~ 2.6 в 10 Gyr ~ 2.6 в 10 -4 yr -1

-5

-3


~M87 Merger rate
BH mass of ~3x109 Solar Masses Absolute mag of MB=-21.4 (B=9.6 d=16.1 Mpc). Space density of 10-3 Mpc-3 ~30% stellar mass growth at z<1 (luminosity function) Upper limit!

9 0.3 10 Mpc в в 167 в 10 7 Gyr 6 -1 ~ 7.2 в 10 Gyr ~ 7.2 в 10 -3 yr -1

-3

-3


Merger rate
BH mass of 1010 Solar Masses Absolute mag of MB=-22.6 Space density of ~10-6 Mpc-3 ~30% stellar mass growth at z<1 (luminosity function) Upper limit

9 3 0.3 10 Mpc в в 167 в 10 Mpc 7 Gyr 3 -1 ~ 7.2 в 10 Gyr ~ 7.2 в 10 -6 yr -1

-6

-3