ETC Request ID: STIS.ta.828321
Requested Signal/Noise Ratio = 40.000
gives: Time = 0.3106 seconds
gives: Time to Saturation (for a single exposure) = 43.66 seconds
| Detailed Information | Count rate | Total counts | Associated noise |
| (e-/s) | (e-) | (e-) | |
| Counts (box of 3 x 3 pixels) | |||
| Source | 6,748.552 | 2,096.42 | 45.79 |
| Background | 0.608 | 0.19 | 0.43 |
| Sky | 0.437 | 0.14 | 0.37 |
| Dark Current | 0.171 | 0.05 | 0.23 |
| Read Out | 25.50 | ||
| Total in selected region | 6,749.160 | 2,096.61 | 52.41 |
| Brightest Pixel (single exposure) | 2,748.502 | 853.81 | |
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| Global Count Rates | |||
| Source only | 13,497.104 | 4,192.838 | |
| Background (sky+dark) | 47,758.524 | 14,836.05 | |
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| Background per unit area | |||
| Sky Background (arcsec-2) | 19.417 | 6.032 | |
| Dark Current (arcsec-2) | 7.600 | 2.361 | |
| Extraction region | |||
| box of 3 x 3 pixels | |||
| Effective Sky Area (pixels) | 9.00 | ||
| Fraction of flux | 0.50 | ||
| Fraction of flux in brightest pixel | 0.20 | ||
| Effective Wavelength | 6788.02 Å | ||
| Instrument name: | STIS |
| Mode: | Target Acquisition |
| Detector: | CCD |
| Acquisition Mode: | ACQ |
| Aperture: | F28X50LP |
| Gain: | 4.0 |
| # Frames: | 1 |
| Binning: | 1 |
| Dark: |
| Target: [point source] | |
| Spectrum: | User uploaded spectrum: WD0106-358.etc |
| Extinction E(B-V): | None |
| Normalization: | None |
| Redshift: | None |
| Emission Lines: | None |
| Selected background: | |
| Sky Background: | |
| Level: |
These results were computed using: ETC version 24.2
