Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1980
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980aj.....85...89k&link_type=abstract
Astronomical Journal, vol. 85, Feb. 1980, p. 89-98.
Astronomy and Astrophysics
Astronomy
25
Astronomical Spectroscopy, Galaxies, Red Shift, Absorption Spectra, Cross Correlation, Fourier Transformation, Galactic Nuclei, Radial Velocity
Scientific paper
This paper presents the results of an observing program carried out to measure galaxy redshifts with the Cassegrain Digicon Spectrograph system on the McDonald Observatory 2.1 m Struve telescope. New redshift determinations are presented for 59 galaxies, obtained for emission line spectra by conventional wavelength determination techniques and for absorption line spectra by Fourier transform filtering and cross correlation techniques with respect to velocity standard spectra of NGC 3115 and NGC 4736. With respect to published redshifts for 29 galaxies, the new redshifts show a mean residual of -1 km/sec and rms residual of 49 km/sec, without apparent systematic trends, from -300 to +13,700 km/sec.
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