The quantity ${T}_{0}$, the cosmic microwave background (CMB) monopole, is an often neglected seventh parameter of standard cosmological model. As well as its variation affecting physics CMB, measurement ${T}_{0}$ also used to calibrate anisotropies via orbital dipole. We point out that it easy misestimate effect because CMB are conventionally provided in temperature units. In fact most natural...

We estimate the effect of the experimental uncertainty in the measurement of the temperature of the cosmic microwave background (CMB) on the extraction of cosmological parameters from future CMB surveys. We find that even for an ideal experiment limited only by cosmic variance up to l = 2500 for both the temperature and polarisation measurements, the projected cosmological parameter errors are ...

The Diffuse InfraRed Background Experiment (DIRBE) on the COsmic Background Explorer (COBE) measured the total infrared signal seen from space at a distance of 1 astronomical unit from the Sun. Using time variations as the Earth orbits the Sun, it is possible to remove most of the foreground signal produced by the interplanetary dust cloud [zodiacal light]. By correlating the DIRBE signal with ...

The possibility to constrain fractal space dimensionality from Astrophysics and other areas is briefly reviewed. Using data from FIRAS instrument aboard COBE satellite and assuming space dimensionality to be 3 + ǫ, we calculate ǫ = −(0.957 ± 0.006) × 10 and an absolute temperature 2.726 ± 0.003 × 10 K by fitting the cosmic microwave background radiation spectrum to Planck’s radiation distributi...

cancer screening and treatment decisions Scott R. Hawken*, Gregory B. Auffenberg*, David C. Miller*, Brian R. Lane, Michael L. Cher, Firas Abdollah, Hyunsoon Cho and Khurshid R. Ghani* for the Michigan Urological Surgery Improvement Collaborative *Department of Urology, University of Michigan, Ann Arbor, Section of Urology, Spectrum Health Medical Group, College of Human Medicine, Michigan Stat...

The observations of all three COBE instruments are examined for the effects of dark matter. The anisotropy measured by the DMR, and especially the degreescale groundand balloon-based experiments, is only compatible with large-scale structure formation by gravity if the Universe is dominated by non-baryonic dark matter. The FIRAS instrument measures the total power radiated by cold dust, and thu...

Quasar-driven winds are currently the best candidates for accounting for the preheating of the intergalactic medium in clusters. Such winds, occurring during early phases of the evolution of spheroidal galaxies, shock-heat the interstellar gas, thus inducing a detectable Sunyaev-Zeldovich effect. We estimate the amplitude and the angular scale of such effect as well as its counts as a function ...