DISCOVERY OF THREE z > 6.5 QUASARS IN THE VISTA KILO-DEGREE INFRARED GALAXY (VIKING) SURVEY
Studying quasars at the highest redshifts can constrain models of galaxy and black hole formation, and it also probes the intergalactic medium in the early universe. Optical surveys have to date discovered more than 60 quasars up to z [~ over _] 6.4, a limit set by the use of the z-band and CCD dete...
Main Authors: | , , , , , , , , |
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Other Authors: | , |
Format: | Article |
Language: | English |
Published: |
IOP Publishing,
2015-02-03T16:23:02Z.
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Subjects: | |
Online Access: | Get fulltext |