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COBE Constraints on a Local group X-ray Halo
A. J. Banday, K. M. Gorski
We investigate the effect of a putative X-ray emitting halo surrounding the Local Group of galaxies, and specifically the possible temperature anisotropies induced in the COBE-DMR…
4-Year COBE DMR Cosmic Microwave Background Observations: Maps and Basic Results
C. L. Bennett, A. Banday, K. M. Gorski +7
The cosmic microwave background radiation provides unique constraints on cosmological models. In this Letter we present a summary of the spatial properties of the cosmic microwave…
Non-cosmological Signal Contributions to the COBE-DMR Four-Year Sky Maps
A. J. Banday, K. M. Gorski, C. L. Bennett +3
We limit the possible contributions from non-cosmological sources to the COBE-DMR four-year sky maps. The DMR data are cross-correlated with maps of rich clusters, extragalactic IR…
Power Spectrum of Primordial Inhomogeneity Determined from the 4-Year COBE DMR Sky Maps
K. M. Gorski, A. J. Banday, C. L. Bennett +4
Fourier analysis and power spectrum estimation of the cosmic microwave background anisotropy on an incompletely sampled sky developed by Gorski (1994) has been applied to the high-…
Tests for Non-Gaussian Statistics in the DMR Four-Year Sky Maps
A. Kogut, A. J. Banday, C. L. Bennett +4
We search the high-latitude portion of the COBE Differential Microwave Radiometers (DMR) 4-year sky maps for evidence of a non-Gaussian temperature distribution in the cosmic micro…
Microwave Emission at High Galactic Latitudes
A. Kogut, G. Hinshaw, A. J. Banday +4
We use the COBE Differential Microwave Radiometers (DMR) 4-year sky maps to model Galactic microwave emission at high latitudes (|b| > 20 deg). Cross-correlation of the DMR maps wi…