SIMBAD references

1999ApJ...525...25G - Astrophys. J., 525, 25-30 (1999/November-1)

No Hubble bubble in the local universe.

GIOVANELLI R., DALE D.A., HAYNES M.P., HARDY E. and CAMPUSANO L.E.

Abstract (from CDS):

Zehavi et al. have suggested that the Hubble flow within 70 h–1 Mpc may be accelerated by the existence of a void centered on the Local Group. Its underdensity would be ∼20%, which would result in a local Hubble distortion of about 6.5%. We have combined the peculiar velocity data of two samples of clusters of galaxies, SCI and SCII, to investigate the amplitude of Hubble distortions to 200 h–1 Mpc. Our results are not supportive of that conclusion. The amplitude of a possible distortion in the Hubble flow within 70 h–1 Mpc in the SCI+SCII merged data is 0.010±0.022. The largest, and still quite marginal, geocentric deviation from smooth Hubble flow consistent with that data set is a shell with ΔH0/H0=0.027±0.023, centered at hd=101 Mpc and extending over some 30 h–1 Mpc. Our results are thus consistent with a Hubble flow that, on distances in excess of ∼50 h–1 Mpc, is remarkably smooth.

Abstract Copyright:

Journal keyword(s): Cosmology: Observations - Galaxies: Distances and Redshifts - Cosmology: Large-Scale Structure of Universe

CDS comments: Table 1 : ESO 508 = NAME ESO 508

Simbad objects: 71

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2020.11.29-00:19:56

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