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Determination of the Hubble constant from blue dwarf galaxies
Ananev Y. O.1, Kurichin O. A.
2, Ivanchik A. V.
2
1Alferov Federal State Budgetary Institution of Higher Education and Science Saint Petersburg National Research Academic University of the Russian Academy of Sciences, St. Petersburg, Russia
2Ioffe Institute, St. Petersburg, Russia
2Ioffe Institute, St. Petersburg, Russia
Email: yarik.ananev@mail.ru, o.chinkuir@gmail.com, iav@astro.ioffe.ru
In modern cosmology there is a problem of the "Hubble tension" - a discrepancy between independent estimates of the Hubble parameter H0 from relic radiation and from local observations at the ~4σ level. Accumulation and refinement of observational data can help to solve this problem. This work is devoted to an independent determination of H0 from an analysis of the distance scale of blue dwarf galaxies. For this purpose, 5605 objects with redshifts z<0.3 were selected from the SDSS DR17 catalogue. A value of H0=68.98±0.21 km/s/Mpc was obtained from the sample analysis, which is in good agreement with the results of other independent studies. Keywords: Hubble constant, HII regions, dwarf galaxies, cosmology.
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