Abstract
We describe the Univiewer utility for visualizing the celestialmaps in the HEALPix pixelization scheme, which is widely used in data reduction for various experiments involving observations of the cosmic microwave background radiation (CMB). The utility can be used to view the FITS files containing one or several extensions containing HEALPix maps of temperature, intensities, Stokes parameters, integration time per pixel values, etc. The user can interactively change the visualization parameters, apply a coordinate grid, project sky areas onto a plane for further detailed analyses, and compute power spectra. The utility uses OpenGL and wxWidgets cross-platform libraries.
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