Source code for sbpy.photometry.bandpass

# Licensed under a 3-clause BSD style license - see LICENSE.rst
"""
sbpy bandpass Module

"""

__all__ = [
    'bandpass'
]

import os
from astropy.utils.data import get_pkg_data_filename


[docs]def bandpass(name): """Retrieve bandpass transmission spectrum from sbpy. Parameters ---------- name : string Name of the bandpass, case insensitive. See notes for available filters. Returns ------- bp : `~synphot.SpectralElement` Notes ----- Available filters: +-------------+---------------------------+ | Name | Source | +=============+===========================+ | 2MASS J | Cohen et al. 2003 | +-------------+---------------------------+ | 2MASS H | Cohen et al. 2003 | +-------------+---------------------------+ | 2MASS Ks | Cohen et al. 2003 | +-------------+---------------------------+ | Cousins R | STScI CDBS, v4 | +-------------+---------------------------+ | Cousins I | STScI CDBS, v4 | +-------------+---------------------------+ | Johnson U | STScI CDBS, v4 | +-------------+---------------------------+ | Johnson B | STScI CDBS, v4 | +-------------+---------------------------+ | Johnson V | STScI CDBS, v4 | +-------------+---------------------------+ | PS1 g | Tonry et al. 2012 | +-------------+---------------------------+ | PS1 r | Tonry et al. 2012 | +-------------+---------------------------+ | PS1 i | Tonry et al. 2012 | +-------------+---------------------------+ | PS1 w | Tonry et al. 2012 | +-------------+---------------------------+ | PS1 y | Tonry et al. 2012 | +-------------+---------------------------+ | PS1 z | Tonry et al. 2012 | +-------------+---------------------------+ | SDSS u | SDSS, dated 2001 | +-------------+---------------------------+ | SDSS g | SDSS, dated 2001 | +-------------+---------------------------+ | SDSS r | SDSS, dated 2001 | +-------------+---------------------------+ | SDSS i | SDSS, dated 2001 | +-------------+---------------------------+ | SDSS z | SDSS, dated 2001 | +-------------+---------------------------+ | WFC3 F438W | HST/WFC3 UVIS, v4 | +-------------+---------------------------+ | WFC3 F606W | HST/WFC3 UVIS, v4 | +-------------+---------------------------+ | WISE W1 | Jarrett et al. 2011 | +-------------+---------------------------+ | WISE W2 | Jarrett et al. 2011 | +-------------+---------------------------+ | WISE W3 | Jarrett et al. 2011 | +-------------+---------------------------+ | WISE W4 | Jarrett et al. 2011 | +-------------+---------------------------+ References ---------- .. [CDBS] Space Telescope Science Institute. Calibration Database System. http://www.stsci.edu/hst/observatory/cdbs . .. [COH03] Cohen, M. et al. 2003. Spectral Irradiance Calibration in the Infrared. XIV. The Absolute Calibration of 2MASS. AJ 126, 1090. .. [JAR11] Jarrett, T. H. et al. 2011. The Spitzer-WISE Survey of the Ecliptic Poles. ApJ 735, 112. .. [SDSS] Sloan Digital Sky Survey. Camera. https://www.sdss.org/instruments/camera . .. [TON12] Tonry, J. L. et al. 2012. The Pan-STARRS1 Photometric System. ApJ 750, 99. """ try: import synphot except ImportError: raise ImportError('synphot is required.') name2file = { '2mass j': '2mass-j-rsr.txt', '2mass h': '2mass-h-rsr.txt', '2mass ks': '2mass-ks-rsr.txt', 'cousins r': 'cousins_r_004_syn.fits', 'cousins i': 'cousins_i_004_syn.fits', 'johnson u': 'johnson_u_004_syn.fits', 'johnson b': 'johnson_b_004_syn.fits', 'johnson v': 'johnson_v_004_syn.fits', 'ps1 g': 'ps1-gp1.txt', 'ps1 r': 'ps1-rp1.txt', 'ps1 i': 'ps1-ip1.txt', 'ps1 w': 'ps1-wp1.txt', 'ps1 y': 'ps1-yp1.txt', 'ps1 z': 'ps1-zp1.txt', 'sdss u': 'sdss-u.fits', 'sdss g': 'sdss-g.fits', 'sdss r': 'sdss-r.fits', 'sdss i': 'sdss-i.fits', 'sdss z': 'sdss-z.fits', 'wfc3 f438w': 'wfc3_uvis_f438w_004_syn.fits', 'wfc3 f606w': 'wfc3_uvis_f606w_004_syn.fits', 'wise w1': 'WISE-RSR-W1.EE.txt', 'wise w2': 'WISE-RSR-W2.EE.txt', 'wise w3': 'WISE-RSR-W3.EE.txt', 'wise w4': 'WISE-RSR-W4.EE.txt', } fn = get_pkg_data_filename(os.path.join( '..', 'photometry', 'data', name2file[name.lower()])) bp = synphot.SpectralElement.from_file(fn) return bp