Astronomy and Astrophysics – Astrophysics
Scientific paper
Jul 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984afz....21...73a&link_type=abstract
(Astrofizika, vol. 21, July-Aug. 1984, p. 73-80) Astrophysics (ISSN 0571-7132), vol. 20, no. 4, Jan. 1985, p. 396-401. Translati
Astronomy and Astrophysics
Astrophysics
Emission Spectra, Spectrophotometry, Spiral Galaxies, Ubv Spectra, Balmer Series, Chemical Composition, Cosmic Dust, Data Reduction, H Ii Regions, H Lines, Red Shift, Star Distribution
Scientific paper
Isodensity charts of the galaxy NGC 3448 have been constructed on the basis of spectrophotometric observations of two regions. Direct photographs of the galaxy were obtained using the 2.6-m telescope of the Biurakan Observatory, and spectrographic data were obtained using the 6-m telescope of the Special Astrophysical Observatory attached to an SP-160 spectrograph. The reciprocal dispersion of the spectrograph was about 65 A/mm. The physical parameters of ionized gas in NGC 3448 were determined on the basis of the spectrographic observations. It is found that the emission spectrum of NGC 3448 was very similar to those in H II regions. Photographic reproductions of the isodensity charts are provided.
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