Open AccessIs optical Fe II emission related to the soft X-ray properties of quasars?
Author(s) -
B. J. Wilkes,
M. Elvis,
I. M. McHardy
Publication year - 1987
Publication title -
astrophysical journal/the astrophysical journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.376
H-Index - 489
eISSN - 1538-4357
pISSN - 0004-637X
DOI - 10.1086/184999
Subject(s) - quasar , physics , astrophysics , emission spectrum , ovv quasar , spectral line , astronomy , galaxy