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dc.contributor.authorSokolov, I. V.-
dc.contributor.authorCastro-Tirado, Alberto J.-
dc.contributor.authorZhelenkova, O. P.-
dc.contributor.authorSolovyev, I. A.-
dc.contributor.authorVerkhodanov, O. V.-
dc.contributor.authorSokolov, V. V.-
dc.identifierdoi: 10.1134/S1990341318020013-
dc.identifiere-issn: 1990-3421-
dc.identifierissn: 1990-3413-
dc.identifier.citationAstrophysical Bulletin 73(2): 111-123 (2018)-
dc.description.abstractWe test for reliability any signatures of field galaxies clustering in the GRB021004 line of sight. The first signature is the GRB021004 field photometric redshifts distribution based on the 6-m telescope of the Special Astrophysical Observatory of the Russian Academy of Sciences observations with a peak near z ~ 0.56 estimated from multicolor photometry in the GRB direction. The second signature is the Mg II λλ2796, 2803 Å absorption doublet at z ≈ 0.56 in VLT/UVES spectra obtained for the GRB021004 afterglow. The third signature is the galaxy clustering in a larger (of about 3° × 3°) area around GRB021004 with an effective peak near z ~ 0.56 for both the spectral and photometric redshifts from a few catalogs of clusters based on the Sloan Digital Sky Survey (SDSS) and Baryon Oscillation Spectroscopic Survey (BOSS) as a part of SDSS-III. From catalog data the size of the whole inhomogeneity in distribution of the galaxy cluster with the peak near z ≈ 0.56 was also estimated as about 6°–8° or 140–190 Mpc. A possibility of inhomogeneity (a galaxy cluster) near the GRB021004 direction can be also confirmed by an inhomogeneity in cosmic microwave background related with the Sunyaev–Zeldovich effect.© 2018, Pleiades Publishing, Ltd.-
dc.publisherMAIK Nauka/Interperiodica Publishing-
dc.subjectCosmology: observations-
dc.subjectLarge scale structure of Universe-
dc.subjectGalaxies: distances and redshifts-
dc.subjectGamma-ray burst: individual: GRB021004-
dc.titleThe Excess Density of Field Galaxies near z ~ 0.56 around the Gamma-Ray Burst GRB021004 Position-
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