Radio spectra of OH471 and OQ172

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dc.contributor.authorGearhart M.R.
dc.contributor.authorKraus J.D.
dc.contributor.authorAndrew B.H.
dc.contributor.authorBlake G.
dc.contributor.authorScott P.
dc.contributor.authorRyle M.
dc.contributor.authorBraude S.Ya.
dc.contributor.authorSharykin N.K.
dc.contributor.authorZhouck I.N.
dc.contributor.authorBridle A.H.
dc.contributor.authorConklin E.K.
dc.contributor.authorDouglas J.N.
dc.contributor.authorHachenberg O.
dc.contributor.authorThiel M.
dc.contributor.authorKaufmann P.
dc.contributor.authorPurton C.R.
dc.contributor.authorFeldman P.A.
dc.contributor.authorMarsh K.A.
dc.contributor.authorStull M.A.
dc.contributor.authorPrice K.
dc.contributor.authorWarner J.W.
dc.contributor.authorAssousa G.
dc.contributor.authorBalick B.
dc.date.accessioned2024-03-13T01:48:06Z
dc.date.available2024-03-13T01:48:06Z
dc.date.issued1974
dc.description.abstractRADIO spectra for the highly redshifted z ≥ 3.40 quasars OH471 (ref. 1) and OQ172 (ref. 2) are presented here for frequencies between 16.7 MHz and 85.3 GHz. The spectra are complex. Both have a peak at or near 1.4 GHz and a second peak near or above 85 GHz. Both have a low frequency cutoff, the one for OH471 being especially sharp. OH471 sometimes seems to be variable at 31 GHz on a time scale of days but the source appears to be stable at 10.7 and 22 GHz. © 1974 Nature Publishing Group.
dc.description.firstpage743
dc.description.issuenumber5459
dc.description.lastpage746
dc.description.volume249
dc.identifier.doi10.1038/249743a0
dc.identifier.issn0028-0836
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/38099
dc.relation.ispartofNature
dc.rightsAcesso Restrito
dc.titleRadio spectra of OH471 and OQ172
dc.typeArtigo
local.scopus.citations5
local.scopus.eid2-s2.0-0012012365
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=0012012365&origin=inward
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