NGC 4151 entering in an active phase

Details NGC 4151 entering in an active phase NGC 4151 entering in an active phase

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.201..297c&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 201, no. 2, p. 297-302.

Astronomy and Astrophysics

Astrophysics

Active Galactic Nuclei, Astronomical Photometry, Seyfert Galaxies, Electrophotometers, Galactic Structure

Scientific paper

Results are presented of photometric observations obtained for a period
of 16 nights in April 1990, in the 5672 A continuum and the U-band, of
the nucleus of NGC 4151 Seyfert galaxy. The results clearly show that
the NGC 4151 nucleus has entered into an active phase and its energy
output is still rising.

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