First-Order Line Spread Functions

First-Order Line Spread Functions

Table 13.40: Spectral Resolution for CCD First- Order Modes

Slit

Spectral Resolution (FWHM in pixels)

Point Source

Extended

Source

3200 Å

5500 Å

7000 Å

10000 Å

52X0.05

1.3

1.4

1.5

1.7

2

52X0.1

1.3

1.4

1.5

1.7

~2-3

52X0.2

1.3

1.5

1.6

2.0

~4

52X0.5

1.3

1.5

1.6

2.0

~10

52X2

1.3

1.5

1.6

2.0

~40

Slit	Spectral Resolution (FWHM in pixels)
Point Source	Extended Source
3200 Å	5500 Å	7000 Å	10000 Å
`52X0.05`	1.3	1.4	1.5	1.7	2
`52X0.1`	1.3	1.4	1.5	1.7	~2-3
`52X0.2`	1.3	1.5	1.6	2.0	~4
`52X0.5`	1.3	1.5	1.6	2.0	~10
`52X2`	1.3	1.5	1.6	2.0	~40

Figure 13.89: CCD First-Order L-Mode Line Spread Functions

Table 13.41: Spectral Resolution for MAMA First Order Modes

Slit

Spectral Resolution (FWHM in pixels)

Point Source

Extended

Source

1200

Å

1500

Å

1700

Å

2400

Å

52X0.05

1.6

1.5

1.4 ¹

2.1

-2

2.2 ²

52X0.1

1.6

1.5

1.41

2.1

~4

2.22

52X0.2

1.7

1.5

1.4 ¹

2.1

~8

2.2 ²

52X0.5

1.7

1.5

1.4 ¹

2.1

~20

2.2 ²

52X2

1.7

1.5

1.4 ¹

2.1

~80

2.2 ²

1FWHM with FUV-MAMA (G140L, G140M).
2FWHM with NUV-MAMA (G230L, G230M).

Slit	Spectral Resolution (FWHM in pixels)
Point Source	Extended Source
1200 Å	1500 Å	1700 Å	2400 Å
`52X0.05`	1.6	1.5	1.4 ¹	2.1	-2
2.2 ²
`52X0.1`	1.6	1.5	1.41	2.1	~4
2.22
`52X0.2`	1.7	1.5	1.4 ¹	2.1	~8
2.2 ²
`52X0.5`	1.7	1.5	1.4 ¹	2.1	~20
2.2 ²
`52X2`	1.7	1.5	1.4 ¹	2.1	~80
2.2 ²

Figure 13.90: MAMA First-Order Line Spread Functions. Top G140L and G140M, bottom G230L and G230M

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