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STScI Exposure Time Calculators Oversight

PYSYNPHOT Calls

Table 5 lists the required pysynphot Calls for various types of ETC requests.

Table 5 Required SYNPHOT Calls

 

Imaging count rate

Spectroscopic count rate

Thermal count rate

Effective Wavelength

NICMOS Imaging Source and sky   Yes Yes

NICMOS (Slitless) Spectroscopy

Sky Source Yes Yes

Imaging with coronagraphy

Field source, central source, sky

No No Yes