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Space Telescope Imaging Spectrograph Instrument Handbook for Cycle 22 > Chapter 13: Spectroscopic Reference Material > Echelle Line Spread Functions

Echelle Line Spread Functions
Table 13.42: Spectral Resolution for Echelle Medium-Resolution Modes (E230M, E140M)
Extended Source
1.0a,1.6b
1.11, 2.02
1.1a, 1.8b
1
FWHM with FUV-MAMA (E140M).
2
FWHM with NUV-MAMA (E230M).

Figure 13.91: Echelle Line Spread Functions, E140M (top) and E230M (bottom)
Table 13.43: Spectral Resolution for Echelle High Resolution Modes (E140H, E230H)
Extended Source
1a, 1.5b
11, 1.82
1a, 1.7b
1
FWHM with FUV-MAMA (E140H).
2
FWHM with NUV-MAMA (E230H).

Figure 13.92: Echelle Line Spread Functions, E140H (top) and E230H (bottom). LSFs for E230H were derived using the 0.1X0.2 and 0.1X0.09 apertures, but results for 0.2X0.2 and 0.2X0.09 should be similar.

Space Telescope Imaging Spectrograph Instrument Handbook for Cycle 22 > Chapter 13: Spectroscopic Reference Material > Echelle Line Spread Functions

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