52X0.2 Aperture

Description

This is the "utility" slit used with first-order gratings and the prism. It provides a good compromise between spectral resolution and photometric throughput.

Special Considerations

Observations using this slit do not need to be preceded by a PEAKUP.


Table 13.20: 52X0.2 Throughputs.

λ

% Throughput

1200

65.3

1800

75.4

2400

80.2

3000

82.9

3600

84.6

4200

86.0

4800

86.7

5400

86.9

6000

86.4

6600

85.4

7200

83.8

7800

82.3

8400

81.2


Projected Length (arcsec)


 

Aperture

CCD

MAMA (M-modes)

MAMA (L-modes)

Width (arcsec)

52X0.2

52.0

28.0

25.0

0.2

Figure 13.67: 52X0.2 Aperture Throughput as a Function of Wavelength.