Results 61 to 69 of about 5,974 (69)

A millimeter-wave survey of CO emission in Seyfert galaxies

, 1989
Timothy M. Heckman, Leo Blitz, A. S. Wilson, L. Armus, G. K. Miley   +4 more
openalex   +2 more sources

Infrared variability of the Seyfert galaxy NGC 3783 [PDF]

, 1992
I. S. Glass
openalex   +1 more source

Spectrophotometry of Calan-Tololo Seyfert galaxies - Objects from list 1

, 1989
J. Maza, M. T. Ruíz
openalex   +1 more source

Coded mask X-ray images of the Virgo cluster – I. Hard X-rays from the Seyfert galaxy NGC 4388 [PDF]

, 1990
Clare Hanson, G. K. Skinner, C. J. Eyles, A. P. Willmore   +3 more
openalex   +1 more source

X-ray spectral signatures of very thick cold matter in the spectra of the Seyfert 1 galaxies NGC 7469 AD IC 4329A

, 1990
L. Piro, M. Yamauchi, M. Matsuoka
openalex   +1 more source

Soft X-ray properties of Seyfert galaxies. I - Spectra

, 1990
J. S. Kruper, C. R. Canizares, C. M. Urry   +2 more
openalex   +1 more source

On the origin of the Z-shaped narrow-line region in the Seyfert galaxy NGC 3516

, 1993
Sylvain Veilleux, R. Brent Tully, Joss Bland‐Hawthorn   +2 more
openalex   +1 more source

High-excitation extranuclear gas in Seyfert galaxies

, 1991
Christopher A. Haniff, M. J. Ward, A. S. Wilson   +2 more
openalex   +1 more source

X-ray spectral variability of the Seyfert 1 galaxy NGC 4051

, 1992
Hideyo Kunieda, Satio Hayakawa, Yuzuru Tawara, Katsuji Koyama, Sachiko Tsuruta, Karen M. Leighly   +5 more
openalex   +1 more source