... RASS-Preview - A RASS Model The ROSAT All-Sky Survey (Voges et al. 1999) carried out from Jun 1990 to Jan 1991 remains the deepest all-sky map of the X-ray sky. ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/reprints/P10-11.pdf -- 79.7 Кб -- 27.08.2004 Похожие документы
... correction Although processed independently, the mean flat-field sky level in each passband is used to place all the CCDs on the same zeropoint system, i.e.. sky in deep frames is the same for all CCDs to better than 0.5%, the residual non-linearity level ...
... deep catalogs which have been developed over the past 20 years by the Space Telescope Science Institute, the U.S. Naval ... above 0 1, at least for these CCDs, and that there is room for improvement in the astrometry of current deep all sky catalogs ...
... deep catalogs which have been developed over the past 20 years by the Space Telescope Science Institute, the U.S. Naval ... Kurtz 0. 1, at least for these CCDs, and that there is room for improvement in the astrometry of current deep all sky catalogs ...
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Ссылки http://www.adass.org/adass/proceedings/adass03/reprints/P2-7.pdf -- 100.2 Кб -- 27.08.2004 Похожие документы
... A high sensitivity to extended sources permits deepsky surveys, detection of new radio sources, and studies of the fluctuations of the microwave background radiation. ...