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Vertical scale parameter estimates for 48 non-edge-on spiral galaxies
Ma, J
AbstractIn the first paper of this series, we directly studied the mathematical forms, symmetry of spiral structure, and the projection of galactic discs on the images, and measured the pitch angles of the spiral arms and inclination angles of the galactic discs for 60 spiral galaxies. In this second paper, we estimate the vertical scale parameters of 48 non-edge-on spiral galaxies based on the method proposed by Peng et al. and on the results given in Paper I. As we know, for edge-on disc galaxies we can obtain the vertical scale parameter from the photometry, once a mathematical form is specified for the vertical light distribution. For non-edge-on galaxies, some other methods have to be used. The statistical result was that the vertical scale parameter is comparable for edge-on and non-edge-on galaxies, although it is obtained from two very different methods.
KeywordGalaxies : Spiral Galaxies Galaxies : Vertical Scale Parameter
Indexed BySCI
WOS IDWOS:000187404500003
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Document Type期刊论文
AffiliationChinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
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GB/T 7714
Ma, J. Vertical scale parameter estimates for 48 non-edge-on spiral galaxies[J]. CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,2003,3(6):499-504.
APA Ma, J.(2003).Vertical scale parameter estimates for 48 non-edge-on spiral galaxies.CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS,3(6),499-504.
MLA Ma, J."Vertical scale parameter estimates for 48 non-edge-on spiral galaxies".CHINESE JOURNAL OF ASTRONOMY AND ASTROPHYSICS 3.6(2003):499-504.
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