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Space Telescope Imaging Spectrograph Instrument Handbook for Cycle 20 > Chapter 13: Spectroscopic Reference Material > 13.4 Apertures

13.4

Apertures

On the following pages we provide, for each supported aperture, a description of the aperture, the wavelength dependent point source throughput of the aperture, and some advice on its use.

Wavelengths in this handbook and in STIS data products are always measured in vacuum conditions.

• “52X0.05 Aperture”

• “52X0.05E1 and 52X0.05D1 Pseudo-Apertures”.

• “52X0.1 Aperture”

• “52X0.1E1and 52X0.1D1 Pseudo-Apertures”.

• “52X0.2 Aperture”

• “52X0.2E1, 52X0.2E2, and 52X0.2D1 Pseudo-Apertures”.

• “52X0.5 Aperture”

• “52X0.5E1, 52X0.5E2, and 52X0.5D1 Pseudo-Apertures”.

• “52X2 Aperture”

• “52X2E1, 52X2E2, and 52X2D1 Pseudo-Apertures”.

• “52X0.2F1 Aperture”

• “0.2X0.06 Aperture”

• “0.2X0.2 Aperture”

• “0.2X0.09 Aperture”

• “6X0.2 Aperture”

• “0.1X0.03 Aperture”.

• “FP-SPLIT Slits 0.2X0.06FP(A-E) Apertures”.

• “FP-SPLIT Slits 0.2X0.2FP(A-E) Apertures”.

• “0.2X0.05ND Aperture”.

• “0.3X0.05ND Aperture”.

• “F25NDQ Aperture”.