Infrared spectroscopy of high-redshift quasars
Open Access
- 1 October 1994
- journal article
- Published by Oxford University Press (OUP) in Monthly Notices of the Royal Astronomical Society
- Vol. 270 (3) , 575-579
- https://doi.org/10.1093/mnras/270.3.575
Abstract
We present H and K spectra (showing redshifted Hα, Hβ and [O III] emission lines) of three radio-loud and three radio-quiet quasars with redshifts z ≳ 2, which were obtained using CGS4 on UKIRT. The [O III] λλ4959 + 5007 lines are too weak to allow accurate determination of the redshift of the forbidden lines. The observed Balmer decrements are consistent with enhancement of Hα due to collisional excitation.Keywords
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