Probing the Star-Formation Epoch with the Wilkinson Microwave Anisotropy Probe (WMAP) Data and High-Redshift QSOs | Zendy

Jun’ichi Yokoyama | Zendy

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Probing the Star-Formation Epoch with the Wilkinson Microwave Anisotropy Probe (WMAP) Data and High-Redshift QSOs

Author(s) -

Jun’ichi Yokoyama

Publication year - 2003

Publication title -

publications of the astronomical society of japan

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.99

H-Index - 110

eISSN - 2053-051X

pISSN - 0004-6264

DOI - 10.1093/pasj/55.3.l41

Subject(s) - physics , cmb cold spot , astrophysics , redshift , cosmic microwave background , cosmology , quasar , supernova , qsos , omega , astronomy , universe , epoch (astronomy) , anisotropy , stars , galaxy , quantum mechanics

Using the values of the cosmological parameters obtained from Wilkinson Microwave Anisotropy Probe (WMAP) and the cosmological chemical clock observed by high-redshift quasars, it is shown that star formation should have started by the redshift $z_F > 9.5$, and that $z_F$ is sensitive only to $\omegamz h^2$ in flat $\Lambda$CDM cosmology

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