|Space Telescope Science Institute|
|Cycle 23 STIS Instrument Handbook|
Supported neutral-density-filtered slit for use with bright objects with the echelle gratings. The dex ND factor is 2.0.Observations with this slit require a prior PEAKUP. This aperture can also be used with the CCD for ACQ/PEAKs.
Table 13.32: 0.2X0.05ND Throughputs