Corpus ID: 15535977

Is I Zw 18 a young galaxy

@inproceedings{Izotov1999IsIZ,
  title={Is I Zw 18 a young galaxy},
  author={Yuri I. Izotov and Polichronis Papaderos and Trinh Xuan Thuan and Klaus J. Fricke and Craig Billig Foltz and Nishi-Harima Astronomical Observatory and Kiev and Ukraine and Universitat Sternwarte and Goettingen and University of Virginia and Charlottesville and Usa and Multiple Mirror Telescope Observatory and Tucson},
  year={1999}
}
  • Yuri I. Izotov, Polichronis Papaderos, +12 authors Tucson
  • Published 1999
  • Physics
  • Hubble Space Telescope (HST) colour - magnitude diagrams in B, V and R along with long-slit Multiple Mirror Telescope (MMT) spectrophotometric data are used to investigate the evolutionary status of the nearby blue compact dwarf (BCD) galaxy I Zw 18. We find that the distance to I Zw 18 should be as high as 20 Mpc, twice the previously accepted distance, to be consistent with existing observational data on the galaxy: colour-magnitude diagrams, the high ionization state of the gas and presence… CONTINUE READING

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