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Benjamin Roulston edited this page Jun 3, 2020 · 5 revisions

Welcome to the PyHammer Wiki!

This wiki will walk you through using the PyHammer program - describing the necessary requirements, setup, general usage, and providing information on the capabilities of the program.

What is PyHammer?

PyHammer is a tool developed to allow rapid and automatic spectral classification of stars according to the Morgan-Keenan classification system. Working in the range of 3,650 - 10,200 Angstroms, the automatic spectral typing algorithm compares important spectral lines to template spectra and determines the best matching spectral type, ranging from O to L type stars, including dC and DA WD stars. Since v2.0.0, PyHammer also has the ability to type double-lined spectroscopic binaries (SB2). This tool has the additional features that it can determine a star's metallicity ([Fe/H]) and radial velocity shifts. Once the automatic classification algorithm has run, PyHammer provides the user an interface for determining spectral types visually by comparing their spectra to provided templates.

Who is PyHammer meant for?

PyHammer was modeled after The Hammer: An IDL Spectral Typing Suite published in Covey et al. 2007 available on GitHub. It was designed for professional astronomers who need to classify large quantities of spectra. If you have a lot of spectra data, PyHammer may be the tool for you!

How do I download PyHammer?

Start by going to our releases section and downloading the latest release. From there, see our requirements section or use the sidebar on the right to navigate to the pertinent section.

Is there a related paper?

See our publication section for information on published papers concerning PyHammer.