Spectroscopy
Subsections
Introduction to Spectroscopy
MASH: Extract a Spectrum by Summing (mashing) Rows or Columns
SPECTROID: Map the Location of a Spectrum on an Image
EXTRACT: Optimal Spectrum Extraction (Horne's Method)
LINEID: Identify Lines in a Wavelength-Calibration Spectrum
WSCALE: Compute Wavelength Scale from Indentified Lines
COPW: Copy a Wavelength Scale onto a Spectrum
ALIGN: Linearize or Transform a Wavelength-Calibrated Spectrum
SKYLINE: Re-Calibrate Wavelengths Using Night-Sky Lines
EXTINCT: Correct a Spectrum for Atmospheric Extinction
SETUP: Set the Longitude and Latitude for VISTA
FLUXSTAR: Compute Flux Curves from a Standard-Star Spectrum
FLUX: Flux Calibrate a Spectrum
POLY: Fit a Polynomial to a Spectrum
STRETCH: Stretch a Spectrum into a 2-D Image
ISPLINE: Interactively Fit a Spline to a Spectrum
ROWFIT: Fit Each Row of an Image with a Function
FINDSHIFT: Compute Relative Shifts Between Two Spectra
FINDPEAK: Find the Location of a Spectrum along Rows or Columns
SPINDEX: Measure Equivalent Widths at each Row of an Image
FQUO: Fit a Broadening Function to a Fourier Quotient Spectrum
EWAVE: Wavelength Calibrate an Echelle Image
EXTSPEC: Copy an Order of an Echelle Image to a Spectrum