ETC Request ID: STIS.ta.1009210
Requested Signal/Noise Ratio = 40.000
gives: Time = 0.2848 seconds
gives: Time to Saturation (for a single exposure) = 13.10 seconds
| Detailed Information | Count rate | Total counts | Associated noise |
| (e-/s) | (e-) | (e-) | |
| Counts (box of 32 x 32 pixels) | |||
| Source | 39,778.195 | 11,326.86 | 106.43 |
| Background | 19.030 | 5.42 | 2.33 |
| Sky | 0.598 | 0.17 | 0.41 |
| Dark Current | 18.432 | 5.25 | 2.29 |
| Read Out | 262.40 | ||
| Total in selected region | 39,797.226 | 11,332.27 | 283.17 |
| Brightest Pixel (single exposure) | 9,160.387 | 2,608.42 | |
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| Global Count Rates | |||
| Source only | 42,206.462 | 12,018.305 | |
| Background (sky+dark) | 18,874.966 | 5,374.65 | |
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| Background per unit area | |||
| Sky Background (arcsec-2) | 33.243 | 9.466 | |
| Dark Current (arcsec-2) | 7.200 | 2.050 | |
| Extraction region | |||
| box of 32 x 32 pixels | |||
| Effective Sky Area (pixels) | 7.20 | ||
| Fraction of flux | 0.94 | ||
| Fraction of flux in brightest pixel | 0.22 | ||
| Effective Wavelength | 6383.81 Å | ||
| Instrument name: | STIS |
| Mode: | Target Acquisition |
| Detector: | CCD |
| Acquisition Mode: | ACQ/PEAK |
| Aperture: | 0.2X0.09 |
| Gain: | 4.0 |
| # Frames: | 1 |
| Binning: | 1 |
| Dark: | medium |
| Target: [point source] | |
| Spectrum: | Flat in units of Fλ |
| Extinction E(B-V): | None |
| Normalization: | Renormalized to vegamag = 14.24 in filter Johnson/V |
| Redshift: | z=0.3 |
| Emission Lines: | None |
| Selected background: | |
| Sky Background: | |
| Level: |
These results were computed using: ETC version 25.2
