Empirical SpecMatch¶
Empirical SpecMatch, SpecMatch-Emp for short, is an algorithm for
characterizing the properties of stars based on their optical
spectra. Target spectra are compared against a dense spectral library
of well-characterized touchstone stars. A key component of
SpecMatch-Emp is the library of high resolution (R~55,000), high
signal-to-noise (> 100) spectra taken with Keck/HIRES by the
California Planet Search. Spectra in the library may be accessed by a
convenient Python API. For non-Python users spectra are also available
monolithic memory-efficient HDF5 archive and a la carte as individual
FITS files.
Code availability¶
The SpecMatch-Emp codebase is availble on GitHub. Simply clone the
repository and run python setup.py install. For more details, go to
the Installation page.
Basic Usage¶
The most basic method of using SpecMatch-Emp is to run the command line script:
smemp specmatch rjXXX.XXXX.fits
This performs the shifting and matching process, prints the results and
saves it into a .h5 file which can be read by SpecMatch.read_hdf() in
python.
For more details on using the command line interface, visit Command Line Interface. For a more general usage primer, check out the Quickstart page.
Attribution¶
If you make use of the specmatch-emp spectral library or matching code, please cite Yee et al. (2017) [ADS Record]
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