getCalspec

Python package to download Calspec spectra.

The main function query the Calspec table located in calspec_data/calspec.csv to download spectrum FITS files from STSC archive.

Example:

from getCalspec.getCalspec import *

test = is_calspec("eta1 dor")
c = Calspec("eta1 dor")
print("Gaia source id:", c.source_id)
c.get_spectrum_table(type="stis", date="latest")  # download and return an Astropy table
c.get_spectrum_numpy(type="mod", date="2010-12-11")  # download and return a dictionnary of numpy arrays with units
c.plot_spectrum()  # download and plot the spectrum

To get Calspec table and the list of available Calspec names:

from getCalspec.getCalspec import getCalspecDataFrame

df = getCalspecDataFrame()
print(df.Name.values)
# Gaia IDs
print(df.source_id.values)

To get all Calspec data in one time in cache, write:

from getCalspec.rebuild import rebuild_cache
rebuild_cache()

When the STSC webpage is updated, it might be necessary to rebuild the calspec_data/calspec.csv table and the cache:

from getCalspec.rebuild import rebuild_tables, rebuild_cache
rebuild_tables()
rebuild_cache()