Current
XRT window transmission dataset converted to OGIP standard format
from the file alum_trans_0.5.fits
supplied by Eric Gotthelf.
Eric Gotthelf (NASA/GSFC ASCA GOF) as ASCII file, reformatted to OGIP standard by Ian M George.
OGIP format FLTVERSN = 1992a
Transmission computed by interpolating tabulated atomic photo-electric cross-section data from Veigele (1973)
No further information supplied to the CALDB.