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Space Telescope Imaging Spectrograph
GO Wavecal Aperture Selection

This table contains the GO wavecal aperture selection rules to be used in conjunction with the supported WAVECAL=NO option.

Grating ApertureWavecal Aperture
G750L 52X0.05* 52X0.05
52X0.2* 52X0.2
other 52X0.1
G750M 52X0.05* 52X0.05
52X0.2* 52X0.2
other 52X0.1
G430L 52X0.05* 52X0.05
52X0.2* 52X0.2
other 52X0.1
G430M 52X0.05* 52X0.05
52X0.2* 52X0.2
other 52X0.1
G230LB 52X0.05* 52X0.05
52X0.2* 52X0.2
other 52X0.1
G230MB 52X0.05* 52X0.05
52X0.2* 52X0.2
other 52X0.1
E140H 0.2X0.2 0.2X0.2
6X0.2 6X0.2
0.1X0.03 0.1X0.03
other 0.2X0.09
E140M 6X0.2 6X0.2
0.2X0.2 0.2X0.2
0.1X0.03 0.1X0.03
other 0.2X0.06
E230H 0.1X0.03 0.1X0.03
0.1X0.09 0.1X0.09
0.1X0.2 0.1X0.2
0.2X0.2 0.2X0.2
6X0.2 6X0.2
other 0.2X0.09
E230M 0.2X0.2 0.2X0.2
6X0.2 6X0.2
0.1X0.03 0.1X0.03
other 0.2X0.06
G140L 52X0.05* 52X0.05
52X0.1* 52X0.1
52X0.2* 52X0.2
50CCD 52X0.1
other 52X0.05
G140M 52X0.2* 52X0.2
52X0.1* 52X0.1
52X0.05* 52X0.05
other 52X0.1
G230M 52X0.2* 52X0.2
52X0.05* 52X0.05
other 52X0.1
G230L 52X0.1* 52X0.1
52X0.2* 52X0.2
52X0.05* 52X0.05
50CCD 52X0.1
other 31X0.05NDC
PRISM 52X0.2* 52X0.2
other 52X0.05