Talk detail

Participant	Pinkwart, Marvin
Institution	Jacobs University - Campus Ring 1 - Bremen - Bremen - Germany

Session	CM5	Accepted	Yes	Order	6	Time	18:15	20'
Talk	Oral abstract	Title	CMB Temperature Analysis with Multipole Vector and Entropy Methods
Coauthors	Schupp, Peter; Schwarz, Dominik J.
Abstract	The CMB temperature data shows several large-scale anomalies whose precise physical origin is still unknown. We present recent results obtained with Planck 2015 data using the method of multipole vectors for multipole moments up to l=50. Correlations with the Solar Dipole imply that further investigations of the true nature of the Dipole are needed. Furthermore a slight hint towards a connection between a previously reported parity anomaly and the galactic plane is found. Secondly we introduce entropy methods motivated from statistical quantum mechanics which allow for investigating the CMB data up to $l=1000$ and beyond. Both methods share the property, that the results do not explicitly depend on the power spectrum but rather on the relative behavior of the spherical harmonic coefficients and hence they yield additional information. Moreover both methods allow for distinguishing the quality and behavior of different foreground cleaning algorithms and can yield information about possible residual foreground contamination.
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