ETC Request ID: STIS.sp.1302374
Exposure time (seconds) = 2,320.0000 at wavelength 1216.00 Å
gives: SNR = 10.2057 (per resolution element)
Table of Source and Noise Counts per Pixel
| Detailed Information | Count rate | Total counts | Associated noise |
| (counts/s) | (counts) | (counts) | |
| Counts (box 7 pixels high) | (1 pix x 7 pix) | (2 pix resel x 7 pix) | |
| Source | 0.033 | 152.80 | 12.36 |
| Background | 0.001 | 4.87 | 2.21 |
| Sky | 8.094e-14 | 3.76e-10 | 1.94e-05 |
| Dark Current | 0.001 | 4.87 | 2.21 |
| Total in selected region | 0.034 | 157.67 | 14.97 |
| Brightest Pixel (single exposure) (at 1216.00 Å) | 0.011 | 26.31 | |
| Count rate entire detector | 158.897 | ||
| Buffer Time (sec) | 12,586.75 | ||
| For APT purposes, the recommended buffer time should be 4/5 of the buffer time calculated above. Please refer to the STIS Instrument Handbook for more details. | |||
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| Global Count Rates | |||
| Source only | 0.891 | 2,066.877 | |
| Background (sky+dark) | 157.418 | 365,210.56 | |
| Encircled energy fraction | 0.88 | ||
| Instrument name: | STIS |
| Mode: | spectroscopic |
| Detector: | FUVMAMA |
| Central Wavelength: | 1425 |
| Grating: | [E140M] R ~ 45800 |
| Aperture: | 0.2X0.2 |
| Glow region: | low |
| Target: [point source] | |
| Spectrum: | Bruzual Synthetic Stellar Spectra M6 V |
| Extinction E(B-V): | None |
| Normalization: | Renormalized to vegamag = 20.0 in filter Johnson/U |
| Redshift: | None |
| Emission Lines: | |
| Line at | Center 1216.0 Å FWHM 0.3 Å Flux 1.8e-13 Fλ |
| Selected background: | |
| Sky Background: | |
| Level: |
Table of Source and Noise Counts per Pixel
These results were computed using: ETC version 26.2
