Measuring angular diameter distances through halo clustering

Citation
A. Cooray et al., Measuring angular diameter distances through halo clustering, ASTROPHYS J, 557(1), 2001, pp. L7-L10
Citations number
17
Categorie Soggetti
Space Sciences
Journal title
ASTROPHYSICAL JOURNAL
ISSN journal
0004637X → ACNP
Volume
557
Issue
1
Year of publication
2001
Part
2
Pages
L7 - L10
Database
ISI
SICI code
0004-637X(20010810)557:1<L7:MADDTH>2.0.ZU;2-G
Abstract
Current and upcoming wide-field surveys for weak gravitational lensing and the Sunyaev-Zeldovich effect will generate mass-selected catalogs of dark m atter halos with internal or follow-up photometric redshift information. Us ing the shape of the linear power spectrum as a standard ruler that is cali brated by cosmic microwave background measurements, we find that a survey o f 4000 deg(2) and a mass threshold of 10(14) M-. can be used to determine t he comoving angular diameter distance as a function of redshift. In princip le, this test also allows an absolute calibration of the distance scale and measurement of the Hubble constant. This test is largely insensitive to th e details of halo mass measurements, mass function, and halo bias. Determin ation of these quantities would further allow a measurement of the linear g rowth rate of fluctuations.