Astrophysics and Space Science

, Volume 125, Issue 1, pp 43–48 | Cite as

Distance estimation of the LMC, SMC, and M33 from the apparent radius distribution ofHii-regions

  • I. A. Issa


The size distribution ofHii-regions in the LMC, SMC, and M33 is used to estimate their distances. The values deduced are: 42.66±2.51, 89.73±5.03, and 755.11±47.14 kpc, respectively.


Distance Estimation Radius Distribution Apparent Radius 


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  1. Boulesteix, J. et al.: 1974,Astron. Astrophys. 37, 33.Google Scholar
  2. Davies, R. D. et al.: 1976,Mem. Roy. Astron. Soc. 81, 89.Google Scholar
  3. Georgelin, Y. P. and Georgelin: 1970,Astron. Astrophys. 6, 349.Google Scholar
  4. Habing, H. J. and Israel, F. P.: 1979,Ann. Rev. Astron. Astrophys. 17, 345.Google Scholar
  5. Issa, I. A.: 1985,Astrophys. Space Sci. 113, 317.Google Scholar
  6. Murdin, P. and Sharpless, S.: 1968, in Y. Terzian (ed.),Interstellar Ionized Hydrogen, p. 249ff.Google Scholar
  7. Rodgers, A. W. et al.: 1960,Monthly Notices Roy. Astron. Soc. 121, 103.Google Scholar
  8. Spitzer, L.: 1978,Physical Processes in the Interstellar Medium p. 107.Google Scholar
  9. Strömgren, B.: 1939,Astrophys. J. 89, 526.Google Scholar
  10. Wilson, T. L. et al.: 1970,Astron. Astrophys. 6, 364.Google Scholar

Copyright information

© D. Reidel Publishing Company 1986

Authors and Affiliations

  • I. A. Issa
    • 1
    • 2
  1. 1.Helwan Institute of Astronomy and GeophysicsCairoEgypt
  2. 2.Tokyo Astronomical ObservatoryUniversity of TokyoMitakaJapan

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