Results 51 to 60 of about 5,974 (69)

Radio Emission from the Seyfert Galaxy NGC 5548 [PDF]

, 1982
J. S. Ulvestad, A. S. Wilson, D. G. Wentzel   +2 more
openalex   +1 more source

VLA observations of H I absorption in the nuclei of Seyfert and active galaxies

, 1982
J. M. Dickey
openalex   +1 more source

The Thermal Component of the Seyfert Galaxy NGC1275 [PDF]

, 1987
E. I. Robson, W. K. Gear
openalex   +1 more source

An exceptional change in the X-ray flux and spectrum of the Seyfert 1 galaxy E1615 + 061

, 1988
L. Piro, E. Massaro, G. C. Perola, D. Molteni   +3 more
openalex   +1 more source

A Possible Mechanism to Explain the Narrow Line Variability of Seyfert Galaxies on Timescales of Months [PDF]

, 1987
Nikolay G. Bochkarev
openalex   +1 more source

The nonstellar continuum of the Seyfert galaxy NGC 7213

, 1984
J. P. Halpern, A. V. Filippenko
openalex   +1 more source

Ionization and Kinematics of the Narrow Line Region in Seyfert Galaxies [PDF]

, 1987
A. S. Wilson
openalex   +1 more source

Extended nonnuclear infrared emission from Seyfert galaxies

, 1986
J. M. Rodríguez-Espinosa, R. J. Rudy, Barbara Jones   +2 more
openalex   +1 more source

Seyfert Galaxies: Classification, Morphology, Observations at Optical Wavelengths, Environmental Factors [PDF]

, 1987
Donald E. Osterbrock
openalex   +1 more source

On the short time scale variability of the Seyfert galaxy NGC 6814

, 1986
J. H. Beall, K. S. Wood, D. Yentis
openalex   +1 more source