Results 201 to 210 of about 18,958 (240)

4C 18.68: A QSO with Precessing Radio Jets? [PDF]

, 1982
A. C. Gower, J. B. Hutchings
openalex   +1 more source

Cosmological evolution of supermassive black holes in galactic centers unveiled by hard X-ray observations. [PDF]

Proc Jpn Acad Ser B Phys Biol Sci, 2015
Ueda Y.
europepmc   +1 more source

QSO Redshift Limit and Periodicity in a Fib Universe [PDF]

, 1983
J. M. Barnothy, M. F. Barnothy
openalex   +1 more source

Strong Gravitational Lensing and Microlensing of Supernovae. [PDF]

Space Sci Rev
Suyu SH, Goobar A, Collett T, More A, Vernardos G.   +4 more
europepmc   +1 more source

Optical evidence for the unification of active galactic nuclei and quasi-stellar objects. [PDF]

Proc Natl Acad Sci U S A, 1995
Miller JS.
europepmc   +1 more source

A search for QSOs in the fields of nearby galaxies [PDF]

, 1986
A. S. Pocock, M. V. Penston, Max Pettini, J. C. Blades   +3 more
openalex   +1 more source

Observation of distant QSO’s [PDF]

International Astronomical Union Colloquium, 1977
openaire   +2 more sources

Origins Space Telescope: predictions for far-IR spectroscopic surveys. [PDF]

Publ Astron Soc Aust, 2019
Bonato M, De Zotti G, Leisawitz D, Negrello M, Massardi M, Baronchelli I, Cai ZY, Bradford CM, Pope A, Murphy EJ, Armus L, Cooray A.   +11 more
europepmc   +1 more source

Variable X-ray absorption in the QSO MR 2251 - 178

, 1984
J. P. Halpern
openalex   +1 more source

Observations of QSOs and related objects with EFOSC, the ESO faint object spectrograph and camera [PDF]

, 1986
S. D’Odorico, S. Cristiani, R. G. Clowes, C. J. Keable   +3 more
openalex   +1 more source