Help System

Menu for the XCL12 Package

• calcband - Calculate a model passband.

• calcphot - Calculate photometric quantities for spectra and passbands.

• calcspec - Calculate a model spectrum.

• countrate - Evaluate the photometric count rate of the HST.

• evalband - Compute the instrument passband for an observation mode.

• fitband - Fit a passband model to data using Amoeba simplex method.

• fitgrid - Fit a spectrum model to a grid of spectral data.

• fitspec - Fit a spectrum model to data using Amoeba simplex method.

• genwave - Interactively generate a wavelength set.

• grafcheck - Check an instrument graph table for bad rows.

• graflist - List the components downstream from a given component.

• grafpath - Print keywords and component names for a path through

• the graph table.

• grafplot - Plot the components downstream from a given component.

• imspec - Convert an image to a synphot spectrum or vice versa.

• plband - Plot a set of passbands.

• plratio - Plot the ratio of observed to synthetic spectral or

• photometric data.

• plspec - Plot spectral and photometric data.

• pltrans - Plot photometric transformation diagrams (e.g., color-color

• or color-magnitude).

• refdata - Pset to specify common synphot parameters.

• Type "help synphot opt=sys" for a description of files used by these tasks.