Gemini Near-Infrared Integral-Field Spectrograph (NIFS)
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Appendix: Point Source Sensitivities
The point source sensitivity predictions appropriate to grating option A and presented in Figure 27 to 32 are tabulated here for reference.
Table 1: J1 Grating Point Source Signal-to-Noise Ratios in 1800 s With OH Rejection
|
Mag |
Strehl Ratio |
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|
0.2 |
0.4 |
0.6 |
0.8 |
1.0 |
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14.0 |
125.6 |
175.9 |
202.3 |
252.9 |
302.4 |
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15.0 |
82.6 |
113.7 |
136.2 |
146.9 |
169.9 |
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16.0 |
50.0 |
68.3 |
81.6 |
93.7 |
108.2 |
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17.0 |
29.7 |
42.5 |
51.9 |
61.1 |
66.5 |
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18.0 |
16.7 |
24.9 |
30.4 |
35.3 |
40.7 |
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19.0 |
8.5 |
13.3 |
17.2 |
20.2 |
23.1 |
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20.0 |
3.9 |
6.4 |
8.9 |
11.3 |
13.1 |
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21.0 |
1.6 |
3.0 |
4.2 |
5.4 |
6.2 |
Table 2: J2 Grating Point Source Signal-to-Noise Ratios in 1800 s With OH Rejection
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Mag |
Strehl Ratio |
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0.2 |
0.4 |
0.6 |
0.8 |
1.0 |
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14.0 |
110.0 |
152.7 |
181.6 |
222.5 |
237.5 |
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15.0 |
67.8 |
95.3 |
113.1 |
131.9 |
150.0 |
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16.0 |
40.1 |
59.2 |
70.9 |
82.7 |
91.0 |
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17.0 |
24.0 |
34.5 |
44.2 |
49.3 |
57.2 |
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18.0 |
13.0 |
20.0 |
24.7 |
29.4 |
34.5 |
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19.0 |
6.3 |
10.1 |
13.8 |
17.0 |
19.3 |
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20.0 |
2.8 |
4.9 |
6.8 |
8.4 |
9.9 |
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21.0 |
1.2 |
2.2 |
3.1 |
3.8 |
4.8 |
Table 3: H Grating Point Source Signal-to-Noise Ratios in 1800 s With OH Rejection
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Mag |
Strehl Ratio |
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0.2 |
0.4 |
0.6 |
0.8 |
1.0 |
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14.0 |
96.2 |
134.0 |
162.2 |
179.1 |
192.4 |
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15.0 |
60.4 |
83.7 |
101.2 |
112.2 |
123.4 |
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16.0 |
36.4 |
51.2 |
60.7 |
72.1 |
78.3 |
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17.0 |
19.7 |
29.6 |
37.3 |
43.5 |
48.0 |
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18.0 |
10.7 |
16.7 |
21.8 |
25.5 |
30.0 |
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19.0 |
5.1 |
8.7 |
11.4 |
13.3 |
16.8 |
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20.0 |
2.3 |
3.9 |
5.6 |
6.9 |
8.5 |
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21.0 |
0.9 |
1.7 |
2.3 |
3.0 |
3.7 |
Table 4: K Grating Point Source Signal-to-Noise Ratios in 1800 s Without OH Rejection
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Mag |
Strehl Ratio |
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0.2 |
0.4 |
0.6 |
0.8 |
1.0 |
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14.0 |
59.9 |
88.8 |
109.3 |
133.4 |
153.0 |
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15.0 |
33.0 |
50.4 |
64.5 |
75.2 |
89.9 |
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16.0 |
16.2 |
27.3 |
36.0 |
42.5 |
55.3 |
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17.0 |
7.2 |
12.5 |
17.0 |
22.1 |
26.9 |
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18.0 |
2.8 |
5.5 |
8.2 |
10.3 |
13.8 |
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19.0 |
1.2 |
2.4 |
3.2 |
4.5 |
5.8 |
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20.0 |
0.5 |
0.9 |
1.4 |
1.8 |
2.4 |
Table 5: J Grating Point Source Signal-to-Noise Ratios in 1800 s Without OH Rejection
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Mag |
Strehl Ratio |
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0.2 |
0.4 |
0.6 |
0.8 |
1.0 |
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14.0 |
163.5 |
223.8 |
270.0 |
299.1 |
339.0 |
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15.0 |
102.8 |
136.5 |
170.9 |
196.6 |
219.2 |
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16.0 |
58.9 |
88.1 |
106.6 |
124.0 |
136.8 |
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17.0 |
34.2 |
50.0 |
64.2 |
74.4 |
81.7 |
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18.0 |
17.8 |
26.2 |
35.8 |
43.6 |
47.9 |
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19.0 |
7.9 |
13.0 |
18.1 |
23.3 |
26.2 |
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20.0 |
3.5 |
5.9 |
9.0 |
10.9 |
12.7 |
Table 6: HK Grating Point Source Signal-to-Noise Ratios in 1800 s Without OH Rejection
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Mag |
Strehl Ratio |
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0.2 |
0.4 |
0.6 |
0.8 |
1.0 |
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14.0 |
91.5 |
140.5 |
173.2 |
197.6 |
223.1 |
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15.0 |
51.1 |
82.2 |
99.9 |
112.8 |
131.3 |
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16.0 |
25.1 |
40.0 |
54.0 |
68.2 |
76.4 |
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17.0 |
10.2 |
18.9 |
26.7 |
35.6 |
38.3 |
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18.0 |
4.3 |
8.4 |
12.1 |
15.7 |
17.2 |
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19.0 |
1.8 |
3.6 |
4.8 |
6.1 |
7.3 |
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20.0 |
0.7 |
1.4 |
2.0 |
2.7 |
3.2 |