Sign on

SAO/NASA ADS Astronomy Abstract Service

· Find Similar Abstracts (with default settings below)
· Full Refereed Journal Article (PDF/Postscript)
· Full Refereed Scanned Article (GIF)
· References in the article
· Citations to the Article (38) (Citation History)
· Refereed Citations to the Article
· SIMBAD Objects (15)
· NED Objects (16)
· Reads History
· Translate This Page
The local extragalactic velocity field, the local mean mass density, and biased galaxy formation
Brown, M. E.; Peebles, P. J. E.
AA(Princeton University, NJ), AB(Princeton University, NJ)
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 317, June 15, 1987, p. 588-592. NSF-supported research. (ApJ Homepage)
Publication Date:
NASA/STI Keywords:
Galactic Clusters, Galactic Evolution, Local Group (Astronomy), Mass Distribution, Space Density, Velocity Distribution, Astronomical Models, Computational Astrophysics, Red Shift
Bibliographic Code:


In this paper, a relationship is derived between the local mass density and the perturbation of the local Hubble flow. The local mass density is estimated by the method used in the Virgocentric flow. The infrared Tully-Fisher relation of Aaronson et al. (1982) is used to find limits on the gravitational perturbation to the local Hubble flow and bright galaxy counts (N) are used to estimate the local galaxy concentration. It is concluded that if mass is proportional to N, with no fluctuations, and the local mass per galaxy is a fair sample, then the density parameter is roughly 0.1, consistent with other dynamical estimates and inconsistent with the naive interpretation of biasing which accounts for the low apparent mass density derived from clustering dynamics by the assumption that the mass per galaxy is unusually low in the regions of high density where clustering has been studied.

Printing Options

Print whole paper
Print Page(s) through

Return 600 dpi PDF to Acrobat/Browser. Different resolutions (200 or 600 dpi), formats (Postscript, PDF, etc), page sizes (US Letter, European A4, etc), and compression (gzip,compress,none) can be set through the Printing Preferences

More Article Retrieval Options

HELP for Article Retrieval

Bibtex entry for this abstract   Preferred format for this abstract (see Preferences)


Find Similar Abstracts:

Use: Authors
Keywords (in text query field)
Abstract Text
Return: Query Results Return    items starting with number
Query Form
Database: Astronomy
arXiv e-prints