On the question of concentrations of A type stars

Details On the question of concentrations of A type stars On the question of concentrations of A type stars

Jun 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981stin...8221116k&link_type=abstract

On the question of concentrations of A type stars Transl. into ENGLISH from Astron. Tsirk. (USSR), no. 202, 1959 p 10-12

Astronomy and Astrophysics

Astronomy

A Stars, Astrometry, Astronomical Maps, Star Clusters, Star Distribution, Electromagnetic Absorption, Monte Carlo Method, Open Clusters, Poisson Density Functions

Scientific paper

The spatial distribution of stars of the spectral class A was investigated. The distance moduli were calculated and plotted according to chi and delta on a map. The intervals of the average distance are shown. Each part of the map represents a region of sky between two circles of declination (meridonal spherical lune). The well known 0 and T associations and the open star clusters are also shown. A galactic zone limited in glactic latitude to b = + or - 10 deg was marked. In all the lunes and their parts limited to b = + or - 10 deg, the surface densities of the stars are individually estimated.

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