Table 1.2.2

Simulated counts-sec-1-diode-1 for unreddened objects in the 0.9 (1.0) aperture at 15th magnitude in V. 

Blue Detector

Spectral 
Type

B0V

A5V

G2V

n-1

n-2

Red Detector

Disperser

(lpeak)

B0V

A5V

G2V

n-1

n-2

G130H

(lpeak=1600 Å)

1.6

-

-

0.14

0.05

G190H

(lpeak=2300 Å)

14

0.54

-

2.4

1.0

G190H

(lpeak=2300 Å)

5.1

0.19

-

0.87

0.37

G270H

(lpeak=2650 Å)

20

1.2

0.20

4.1

2.1

G270H

(lpeak=2650 Å)

13

0.9

0.14

2.6

1.3

G400H

(lpeak=3600 Å)

16

2.7

1.9

5.4

3.6

G400H

(lpeak=3250 Å)

14

1.9

1.3

4.2

2.5

G570H

(lpeak=4600 Å)

11

8.1

6.3

6.9

5.8

G570H

(lpeak=4600 Å)

2.0

1.4

1.1

1.2

1.0

G780H

(lpeak=6300 Å)

2.3

2.6

3.5

3.6

4.0

G160L

(lpeak=2440 Å)

26

0.9

0.08

5.0

2.3

G160L

(lpeak=2400 Å)

40

1.4

0.10

6.8

2.8

G650L

(lpeak=4000 Å)

18

7.9

3.5

7.0

5.1

G650L

(lpeak=4400 Å)

41

26

18

20

17

PRISM

(lpeak=4000 Å)

2.2 x 102

90

48

81

55

PRISM

(lpeak=4000 Å)

3.0 x 102

1.6 x 102

92

1.4 x 102

1.1 x 102