... A model spectrum with fine channels consisting of an absorption line was generated ... by calhrs ), and the optimally combined spectrum without regularization (i.e., =0 ... Over-fitting to the noise is apparent in this combined spectrum. ...
... a set of standard stars with accurate absolute spectrophotometry from 1050 to 10000A, the FOS flux spectrum for G191B2B (WD0501+527) is divided by a model spectrum for the case of a pure hydrogen atmosphere to derive the difference between the current HST ...
... The GHz Peaked Spectrum (GPS) and Compact Steep Spectrum (CSS) sources are compact, powerful extragalactic radio sources with well defined peaks in their radio spectra (near 1 GHz in the GPS, and near 100 MHz in the CSS). ...
... mirrors produces one of three kinds of image at the camera focus: 1) an image of the entrance aperture, which may be mapped to find and center the object of interest; 2) a single-order spectrum; or 3) a cross-dispersed, two-dimensional echelle spectrum ...
... First, is the overall level of the spectrum, or "Has the correct flux scale been ... Second, is the shape of the spectrum, or "Is the curve I see in the continuum real ...