Study of young open clusters as tracers of spiral features in our Galaxy. IV - Czernik 20 (OC1 427)

Details Study of young open clusters as tracers of spiral features in our Galaxy. IV - Czernik 20 (OC1 427) Study of young open clusters as tracers of spiral features in our Galaxy. IV - Czernik 20 (OC1 427)

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989japa...10..295b&link_type=abstract

Journal of Astrophysics and Astronomy (ISSN 0250-6335), vol. 10, Sept. 1989, p. 295-306.

Astronomy and Astrophysics

Astrophysics

1

Open Clusters, Spiral Galaxies, Stellar Evolution, Ultraviolet Photometry, Color-Color Diagram, Interstellar Extinction, Milky Way Galaxy, Tables (Data)

Scientific paper

Photoelectric and photographic photometry of 72 stars was done in the field of the not-well-studied open cluster Czernik 20 in the direction of the Auriga constellation. Of these stars, a total of 43 have been found to be probable members down to m(v) = 15.75 mag. There is apparently a variable extinction across the field of the cluster with E(B-V) ranging from 0.53 to 0.38 mag. The cluster stars show a range in their ages from 10 to 71 Myr, indicating that Czernik 20 is young enough to be considered as a spiral-arm tracer in the study of the Galaxy. The distance of this cluster is found to be 4.27 + or - 0.14 kpc and it is located inside the outer Perseus arm of the Galaxy.

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