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The origin of the WMAP quadrupole · Around

2010

The origin of the WMAP quadrupole

Liu, Hao, Xiong, Shao-Lin, Li, Ti-Pei

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The cosmic microwave background (CMB) temperature maps from the Wilkinson Microwave Anisotropy Probe (WMAP) are of great importance for cosmology.

In previous work we had developed a pipeline for map-making independently of the WMAP team.
The new maps produced from the WMAP raw data by our pipeline are notably different to the official ones, and the power spectrum as well as the best-fit cosmological parameters are significantly different too.
What's more, by revealing the inconsistency between the WMAP raw data and their official map, we had pointed out that there must exist an unexpected problem in the WMAP team's pipeline.

Built on

C.L. Bennett et al., Astrophys. J. Suppl
2003
Earlier work this paper cites.
Hinshaw, G. et al., Astrophys. J. Suppl
2003
Earlier work this paper cites.

Similar

Gorski, K. M. et al., Astrophys. J
2005
Cited alongside, same era.
Freeman, P. E., Genovese, C. R., Miller, C. J., Nichol, R. C., & Wasserman, L., Astrophys. J
Original
2006
Cited alongside, same era.
Our pipeline codes are publicly released on the website of Tsinghua Center for Astrophysics at http://dpc.aire.org.cn/data/wmap/09072731/release_v1/source_code/v1/ and http://cosmocoffee.info/viewtopic.php?p=4525#4525
Cited in the paper.
Liu, H., & Li, T. P., arXiv:0907.2731
Original
Cited in the paper.

Then

Limon, M. et al., Wilkinson Microwave Anisotropy Probe (WMAP) : The Five-Year Explanatory Supplement
2008
Later among the works it cites.
Liu, H., & Li, T. P., Chinese Sci Bull
Original
2010
Closest in time.

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