Observation of the central region of NGC 5728 with the integral field spectrograph TIGER

Details Observation of the central region of NGC 5728 with the integral field spectrograph TIGER Observation of the central region of NGC 5728 with the integral field spectrograph TIGER

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990a%26a...232..331p&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 232, no. 2, June 1990, p. 331-336.

Astronomy and Astrophysics

Astrophysics

10

Barred Galaxies, Galactic Nuclei, Seyfert Galaxies, Spectrographs, Astronomical Spectroscopy, Galactic Structure, H Alpha Line

Scientific paper

The galaxy NGC 5728 has been observed with the integral field spectrograph TIGER. This galaxy is known as a Seyfert 2, and its nuclear regions exhibit a complex structure. The decomposition into Gaussian profiles of the spectra arising from the very central region was achieved, and maps associated with the different components found were then obtained. The data show the existence of a central broad line region unresolved in the seeing conditions of the observations, which qualifies NGC 5728 as a (weak) Seyfert 1.

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