2007MNRAS.375..691S

Query : 2007MNRAS.375..691S

2007MNRAS.375..691S - Mon. Not. R. Astron. Soc., 375, 691-697 (2007/February-3)

Bulk flows from velocity field surveys: a consistency check.

SARKAR D., FELDMAN H.A. and WATKINS R.

Abstract (from CDS):

We present an analysis comparing the bulk-flow measurements for six recent peculiar velocity surveys, namely, ENEAR, SFI, RFGC, SBF and the Mark III singles and group catalogues. We study whether the directions of the bulk-flow estimates are consistent with each other and construct the full 3D bulk-flow vectors for each survey. We show that although the surveys differ in their geometry, galaxy morphologies, distance measures and measurement errors, their bulk flow vectors are expected to be highly correlated and in fact show impressive agreement in all cases. We found a combined weighted mean bulk motion of 330±101km/s towards l = 234°±11° and b = 12°±9° in a sphere with an effective depth of ∼4000 km/s.

Abstract Copyright: 2007 The Authors. Journal compilation © 2007 RAS

Journal keyword(s): galaxies: distances and redshifts - large-scale structure of Universe

Simbad objects: 1

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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 Psc-Per Supercluster SCG 02 33.2 +41 37           ~ 444 1

Query : 2007MNRAS.375..691S

Basic data :
NAME Psc-Per Supercluster -- Supercluster of Galaxies
Other object types: otypes_help 		SCG (SCl,WSCG,...)
ICRS coord. (ep=J2000) : 		02 33 12.0 +41 37 00 [ 1080000 1080000 90 ] E 1997A&AS..123..119E
FK4 coord. (ep=B1950 eq=1950) : 		02 30 01.9 +41 23 49 [ 1080000 1080000 90 ]
Gal coord. (ep=J2000) : 		142.5919 -17.3376 [ 1080000 1080000 90 ]
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Identifiers (17) :
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NAME PER SUPERCL NAME PPS NAME Perseus-Pisces [EET94] SCG 20
NAME PSC-PER SUPERCL NAME PPScl NAME Per-Psc Supercluster [KK95] 173
NAME PER-PSC SUPERCL NAME PSC PER SUPERCL NAME Psc-Per Supercluster
NAME PISCES PERSEUS SUPERCL NAME PERSEUS SUPERCL SCl 40
NAME PISCES-PERSEUS SUPERCL NAME Per-Psc WSCG 21

References (444 between 1850 and 2026) (Total 444)
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