Thickness determination of three-dimensional spiral galaxies.

Details Thickness determination of three-dimensional spiral galaxies. Thickness determination of three-dimensional spiral galaxies.

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992acasn..33..371z&link_type=abstract

Acta Astron. Sin., Vol. 33, No. 4, p. 371 - 382

Mathematics

Logic

Scientific paper

CCD images of some spiral galaxies were obtained with the 1-m telescope of Yunnan Observatory. After processing and measuring the images, the authors get the morphological parameters, thickness and their relative errors of seven spiral galaxies (NGC 2608, NGC 2713, NGC 2776, NGC 3631, NGC 5669, NGC 5985 and NGC 7156) by fitting their spiral arms with logarithmic spirals.

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