Spiral Structure and Distribution of Stellar Associations in NGC 6946

Part of the International Astronomical Union / Union Astronomique Internationale book series (IAUS, volume 38)


The associations of NGC 6946 outline its spiral arms. There is no relation between the colour or magnitude of the associations and their distance from the centre. Their mean absolute magnitude is — 11m.l and their mean colour index near zero.


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  1. Ambartsumian, V.: 1965, Astrofiz. 1, 473.Google Scholar
  2. Bok, B. and Bok, P.: 1962, Monthly Notices Roy. Astron. Soc. 124, 435.ADSGoogle Scholar
  3. Börngen, F., Kalloglian, A., Khachikian, E. Ye., and Eynatian, J.: 1966, Astrofiz. 2, 431.ADSGoogle Scholar
  4. Hodge, P.: 1967, An Atlas and Catalogue of H Regions in Galaxies, Seattle.Google Scholar
  5. Khachikian, E. Ye. and Sahakian, K. A.: 1970, Astrofiz.,in press.Google Scholar
  6. Kukarkin, B.: 1965, Astrofiz. 1, 465.ADSGoogle Scholar
  7. Markarian, B.: 1959, Soobshch. Byurak. Obs. 26, 3.Google Scholar
  8. Wild, P.: 1968, IAU Circ. No. 2057.Google Scholar

Copyright information

© I.A.U. 1970

Authors and Affiliations

  1. 1.Byurakan Astrophysical ObservatoryErevanArmenia, USSR

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