F25CN182-NUV-MAMA
Description
The F25CN182 filter with the NUV-MAMA provides medium bandwidth imaging of the continuum near 1900 Å.
Recommended Uses
Continuum filter for C III].
Pivot  (Å) |
FWHM (Å) |
AB mag zeropoint |
Speak |
B |
R80 (arcsec) |
Flux in central pixel |
| 2009.6 |
654.4 |
21.605 |
2.59e+13 |
627.6 |
0.23 |
10% |
Figure 14.61: F25CN182 NUV-MAMA Integrated System Throughput and Redleak
Table 14.24: Throughput and Sensitivity for F25CN182 NUV-MAMA
| l |
Sensitivity |
Throughput % |
| 1300. |
7.97E11 |
0.03 |
| 1400. |
1.60E12 |
0.05 |
| 1500. |
2.68E12 |
0.08 |
| 1600. |
5.37E12 |
0.15 |
| 1700. |
9.95E12 |
0.26 |
| 1800. |
1.49E13 |
0.36 |
| 1900. |
2.03E13 |
0.47 |
| 2000. |
2.51E13 |
0.55 |
| 2100. |
2.41E13 |
0.50 |
| 2200. |
1.83E13 |
0.37 |
| 2300. |
1.24E13 |
0.24 |
| 2400. |
8.29E12 |
0.15 |
| 2500. |
5.74E12 |
0.10 |
| 2600. |
4.18E12 |
0.07 |
| 2700. |
3.17E12 |
0.05 |
| 2800. |
2.46E12 |
0.04 |
Figure 14.62: Point Source S/N vs. V+AB
for the F25CN182 NUV-MAMA mode. Curves are labeled by required exposure time (sec).
Figure 14.63: Extended Source S/N vs. V+AB for the F25CN182 NUV-MAMA mode. Top curves are for an area of 0.2 arcsec2; bottom curves are for 1 arcsec2. Average sky assumed. Curves are labeled by required exposure time (sec).
Table 14.25: Radial Profile for F25CN182*
| Radius |
|
Fraction of Energy Encircled |
| Pixels |
Arcsec |
Intensity |
| 1 |
0.024 |
4.177e-02 |
0.179 |
| 2 |
0.037 |
2.686e-02 |
0.302 |
| 2 |
0.049 |
1.620e-02 |
0.422 |
| 3 |
0.073 |
5.757e-03 |
0.565 |
| 4 |
0.098 |
2.720e-03 |
0.647 |
| 5 |
0.122 |
1.425e-03 |
0.700 |
| 10 |
0.245 |
2.600e-04 |
0.810 |
| 15 |
0.367 |
1.234e-04 |
0.876 |
| 20 |
0.490 |
6.357e-05 |
0.925 |
| 25 |
0.613 |
3.483e-05 |
0.956 |
| 30 |
0.735 |
2.099e-05 |
0.979 |
| 40 |
0.980 |
2.113e-06 |
0.999 |
* See STIS ISR 2003-01.
Figure 14.64: Point Source Encircled Energy for F25CN182 NUV-MAMA
Figure 14.65: Point Source Intensity vs. Radius for F25CN182 NUV-MAMA
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