... spectrum contains an obvious flux discontinuity due to an external Lyman--limit ... spectrum is resampled into 0.1? bins, and then normalized to match the average flux ...
... This moved the source spectrum slightly on the diode array, making it possible to distinguish fixed-pattern noise from true spectrum features and to correct for that pattern. ...
... This moved the source spectrum slightly on the diode array, making it possible to distinguish fixed-pattern noise from true spectrum features and to correct for that pattern. ...
... spectrum with G140L goes across the Digicon diodes at a fairly steep angle, to the ... spectrum could lead to throughput changes as one end or the other of the spectrum ...
... the image and calculate the square modulus of the FT to generate the power spectrum ... The power spectrum generally has a very wide dynamic range so we rescale it for ... Next, we rearrange the power spectrum quadrant by quadrant so that the zero ...
... Figure 8.1: Spectrum resolving power as a function of wavelength for the GHRS medium ... one can expect, the range being from the blue end of the spectrum to the red ... FWHM) of lines from an exposure of a spectrum calibration lamp ...
... The GHRS has a spectrum calibration lamp which is used by specifying SC2 as the ... exposure will yield a good comparison spectrum at almost any wavelength, although ...
... from NASA's Great Observatories, Spitzer , Hubble , and Chandra , ESA's Herschel and XMM-Newton , and from the most powerful ground-based facilities, to survey the distant universe to the faintest flux limits across the electromagnetic spectrum ...