First year Wilkinson Microwave Anisotropy Probe (WMAP) observations: Determination of cosmological parameters

@article{Spergel2003FirstYW,
  title={First year Wilkinson Microwave Anisotropy Probe (WMAP) observations: Determination of cosmological parameters},
  author={D. Spergel and L. Verde and H. Peiris and E. Komatsu and M. Nolta and C. Bennett and M. Halpern and G. Hinshaw and N. Jarosik and A. Kogut and M. Limon and S. Meyer and L. Page and G. Tucker and J. Weiland and Edward J. Wollack and E. L. W. Princeton and NASA's Gsfc and Ubc and U. Chicaco and Brown and Ssai and Ucla},
  journal={Astrophysical Journal Supplement Series},
  year={2003},
  volume={148},
  pages={175-194}
}
  • D. Spergel, L. Verde, +20 authors Ucla
  • Published 2003
  • Physics
  • Astrophysical Journal Supplement Series
  • WMAP precision data enable accurate testing of cosmological models. We find that the emerging standard model of cosmology, a flat � -dominated universe seeded by a nearly scale-invariant adiabatic Gaussian fluctuations, fits the WMAP data. For the WMAP data only, the best-fit parameters are h ¼ 0:72 � 0:05, � bh 2 ¼ 0:024 � 0:001, � mh 2 ¼ 0:14 � 0:02, � ¼ 0:166 þ0:076 � 0:071 , ns ¼ 0:99 � 0:04, and � 8 ¼ 0:9 � 0:1. With parameters fixed only by WMAP data, we can fit finer scale cosmic… CONTINUE READING
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