2023MNRAS.524.1885W

Query : 2023MNRAS.524.1885W

2023MNRAS.524.1885W - Mon. Not. R. Astron. Soc., 524, 1885-1892 (2023/September-2)

Analysing the large-scale bulk flow using cosmicflows4: increasing tension with the standard cosmological model.

WATKINS R., ALLEN T., BRADFORD C.J., RAMON A.Jr, WALKER A., FELDMAN H.A., CIONITTI R., AL-SHORMAN Y., KOURKCHI E. and TULLY R.B.

Abstract (from CDS):

We present an estimate of the bulk flow in a volume of radii 150-200 h–1 Mpc using the minimum variance method with data from the CosmicFlows-4 (CF4) catalogue. The addition of new data in the CF4 has resulted in an increase in the estimate of the bulk flow in a sphere of radius 150 h–1 Mpc relative to the CosmicFlows-3 (CF3). This bulk flow has an $\sim 0.015~{{\ \rm per\ cent}}$ chance of occurring in the standard cosmological model with cosmic microwave background derived parameters. Given that the CF4 is deeper than the CF3, we were able to use the CF4 to accurately estimate the bulk flow on scales of 200 h–1 Mpc (equivalent to 266 Mpc for Hubble constant H0 = 75 km s–1 Mpc–1) for the first time. This bulk flow is in even greater tension with the standard model, having $\sim 1.5\times 10^{-4}\ \%$ probability of occurring. To estimate the bulk flow accurately, we introduce a novel method to calculate distances and velocities from distance moduli that is unbiased and accurate at all distances. Our results are completely independent of the value of H0.

Abstract Copyright: © 2023 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): galaxies: kinematics and dynamics - galaxies: distances and redshifts - galaxies: statistics - (cosmology:) cosmological parameters - (cosmology:) large-scale structure of Universe - cosmology: theory

Simbad objects: 1

goto Full paper

goto View the references in ADS

Number of rows : 1
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 NAME Shapley Supercluster SCG 13 06.0 -33 04           ~ 677 0

Query : 2023MNRAS.524.1885W

Basic data :
NAME Shapley Supercluster -- Supercluster of Galaxies
Other object types: otypes_help 		SCG (SCl,[EET94],...)
ICRS coord. (ep=J2000) : 		13 06 00.0 -33 04 00 [ 1080000 1080000 90 ] E 1997A&AS..123..119E
FK4 coord. (ep=B1950 eq=1950) : 		13 03 14.2 -32 47 57 [ 1080000 1080000 90 ]
Gal coord. (ep=J2000) : 		306.4443 +29.7058 [ 1080000 1080000 90 ]
SIMBAD within arcmin
Overlay Simbad points in this preview
Back
All CDSPortal (CDSPortal)
Send to sendBySAMP sendBySAMP
sedIcon
within arcsec sed-help-icon

Hierarchy : number of linked objects
whatever the membership probability is (see description here ) :

: 865 		Display criteria :

Identifiers (8) :
An access of full data is available using the icon Vizier near the identifier of the catalogue

NAME SHAPLEY-CENTAURUS CL NAME Shapley Concentration SCl 124 [KK95] 578
NAME SHAPLEY SUPERCL NAME Shapley Supercluster [EET94] SCG 80 [ZZS93] 26

References (677 between 1850 and 2026) (Total 677)
Simbad bibliographic survey began in 1850 for stars (at least bright stars) and in 1983 for all other objects (outside the solar system).
Follow new references on this object
                Reference summaries :

                from: to:

                 or select by : (not exhaustive, explanation here)

Annotations :
Annotations allow a user to add a note or report an error concerning the astronomical object and its data. It requires registration to post a note. See description .
Please, have a look at Best practices. The list of all annotations to SIMBAD objects can be found here .

The annotation server is currently not available. Sorry for any inconvenience

To bookmark this query, right click on this link: simbad:objects in 2023MNRAS.524.1885W and select 'bookmark this link' or equivalent in the popup menu