F25CIII-NUV-MAMA
Description
The F25CIII filter with the NUV-MAMA provides narrow band imaging of the 1909 Å C III] feature.
Recommended Uses
C III] imaging.
Pivot  (Å) |
FWHM (Å) |
AB mag zeropoint |
Speak |
B |
R80 (arcsec) |
Flux in central pixel |
| 2013.3 |
375.0 |
19.417 |
1.05e+13 |
207.6 |
0.23 |
10% |
Figure 14.55: F25CIII NUV-MAMA Integrated System Throughput and Redleak
Table 14.22: Throughput and Sensitivity for F25CIII NUV-MAMA
| l |
Sensitivity |
Throughput % |
| 1750. |
1.74E11 |
0.00 |
| 1800. |
3.68E11 |
0.01 |
| 1850. |
1.27E12 |
0.03 |
| 1900. |
4.84E12 |
0.11 |
| 1950. |
9.54E13 |
0.21 |
| 2000. |
9.94E13 |
0.22 |
| 2050. |
7.36E12 |
0.16 |
| 2100. |
4.14E12 |
0.09 |
| 2150. |
1.96E12 |
0.04 |
| 2200. |
8.65E11 |
0.02 |
| 2250. |
4.25E11 |
0.01 |
Figure 14.56: Point Source S/N vs. V+AB
for the F25CIII NUV-MAMA mode.
Figure 14.57: Extended Source S/N vs. V+AB for the F25CIII NUV-MAMA mode. Top curves are for an area of 0.2 arcsec2; bottom curves are for 1 arcsec2. Average sky assumed.
Table 14.23: Radial Profile for F25CIII
| Radius |
|
Fraction of Energy Encircled |
| Pixels |
Arcsec |
intensity |
| 1 |
0.024 |
4.859e-02 |
0.173 |
| 2 |
0.037 |
3.660e-02 |
0.284 |
| 2 |
0.049 |
2.557e-02 |
0.392 |
| 3 |
0.073 |
9.899e-03 |
0.528 |
| 4 |
0.098 |
3.609e-03 |
0.598 |
| 5 |
0.122 |
1.832e-03 |
0.649 |
| 10 |
0.245 |
2.759e-04 |
0.753 |
| 15 |
0.367 |
1.339e-04 |
0.822 |
| 20 |
0.490 |
7.056e-05 |
0.873 |
| 25 |
0.613 |
4.358e-05 |
0.911 |
| 30 |
0.735 |
3.353e-05 |
0.944 |
| 40 |
0.980 |
1.002e-05 |
0.981 |
Figure 14.58: Point Source PSF for F25CIII NUV-MAMA, 7."5 square (at pixel 741,402, log scaled, B-V=-0.04). Note PSF ghost ~45 pixels left of peak pixel and a few 10-3 of the peak
Figure 14.59: Point Source Encircled Energy for F25CIII NUV-MAMA
Figure 14.60: Point Source Intensity vs. Radius for F25CIII NUV-MAMA
