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pro vyhledávání: '"Jarvis, R. Michael"'
In the Hubble Deep Field (HDF), twelve candidate sources of high-redshift (z > 3.5) AGN activity have been identified. The color selection criteria were established by passing spectra of selected quasars and Seyfert galaxies (appropriately redshifted
Externí odkaz:
http://arxiv.org/abs/astro-ph/9810491
Publikováno v:
Education and Training of the Mentally Retarded, 1984 Feb 01. 19(1), 64-69.
Externí odkaz:
https://www.jstor.org/stable/23877218
Publikováno v:
Astronomical Journal; Dec1998, Vol. 116 Issue 6, p2624-2631, 8p