The star distribution in the Orion spiral arm

Details The star distribution in the Orion spiral arm The star distribution in the Orion spiral arm

Feb 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985azh....62...29b&link_type=abstract

(Astronomicheskii Zhurnal, vol. 62, Jan.-Feb. 1985, p. 29-33) Soviet Astronomy (ISSN 0038-5301), vol. 29, Jan.-Feb. 1985, p. 17-

Astronomy and Astrophysics

Astronomy

1

Galactic Structure, Milky Way Galaxy, Star Distribution, Logarithms, Normal Density Functions, Spiral Galaxies, Statistical Distributions

Scientific paper

The structure of the Orion spiral arm is studied by numerical experiments, assuming that in each direction considered the star distribution along the line of sight is a combination of two Gaussian laws. The corresponding parameters are evaluated for four Milky Way fields; the bimodal laws now fit the observations by the chi squared criterion. In the Orion arm the line-of-sight star densities follow asymmetric curves, steeper at the outer edge of the arm.

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