... A SPYBAL is executed to center the spectrum in the cross-dispersion (or GHRS ... in the ydirection to ensure that the spectrum does not fall off the top or bottom of ...
... NIRISS Single-Object Slitless Spectroscopy . GR700XD Design and Spectrum . ... below show the components and the spectrum for Single-Object Slitless Spectroscopy ... GR700XD design GR700XD spectrum . ...
... This report discusses the rationale for SPYBALS in terms of the drift of the spectrum across the photocathode with time, taking into account the tilt of the spectrum across the diode array. ...
... one spectrum from a reference spectrum, as a function of wavelength and diode position in the frame of the reference spectrum ... Each bin in the target spectrum is cross-correlated with the corresponding bin in the reference spectrum and an offset is ...
... HST/STIS Observations of GRB 000301C . HST Ultraviolet Spectrum of GRB 000301c . HST Image of GRB 000301c: 6 March 2000 . ... The HST/STIS UV spectrum of the transient believed associated with GRB 000301C. The strong spectral break at about 2700 A is ...
... Unfortunately, PSFs vary considerably from one end of the spectrum to the other, possibly introducing errors on the order of 10% in the photometry of the spectrum at any given wavelength for f /96 spectra. ...
... not a structure message, /cont, 'spectrum data must be a structure - aborting' return endif ;Make sure input structure contains header. if not tag_exist(ech, 'HEAD') then begin ;true: no HEAD tag message, /cont, 'spectrum structure does not contain HEAD ...