Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991a%26as...89..225m&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 89, no. 2, Aug. 1991, p. 225-235.
Astronomy and Astrophysics
Astronomy
8
Astronomical Spectroscopy, Galactic Radiation, Radio Sources (Astronomy), Charge Coupled Devices, Emission Spectra, Line Spectra
Scientific paper
Results are presented of long-slit CCD spectroscopy of 33 Zwicky galaxies identified in the B3 Survey as radiosources, including information on morphological classification, photographic magnitude, line identification, measured wavelength, adopted rest wavelength, redshift computed for the line, and average redshift and rms. In this sample, 24 galaxies showed emission (and often absorption) lines, while 9 galaxies showed only absorption lines. Nine of the 14 galaxies classified as E/SO showed the forbidden N II emission line at an EW(lim) = 1.5 A. The rest were classified as Spirals, and, out of 19 of these galaxies, 15 showed the forbidden N II emission line. No significant differences were found between the percentage of galaxies with emission lines in this sample and the samples of optically selected galaxies of similar equivalent width limit.
Basso Lorenzo
Lahulla Felix J.
Lopez-Arroyo M.
Merighi Roberto
Vigotti Mario
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