ETC Request ID: STIS.ta.1302333
Exposure time (seconds) = 4.0000
gives: SNR = 83.6048
gives: Time to Saturation (for a single exposure) = 96.24 seconds
| Detailed Information | Count rate | Total counts | Associated noise |
| (e-/s) | (e-) | (e-) | |
| Counts (box of 32 x 32 pixels) | |||
| Source | 6,563.524 | 26,254.09 | 162.03 |
| Background | 26.197 | 104.79 | 10.24 |
| Sky | 0.597 | 2.39 | 1.55 |
| Dark Current | 25.600 | 102.40 | 10.12 |
| Read Out | 268.80 | ||
| Total in selected region | 6,589.721 | 26,358.88 | 314.03 |
| Brightest Pixel (single exposure) | 1,246.920 | 4,987.68 | |
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| Global Count Rates | |||
| Source only | 7,323.594 | 29,294.378 | |
| Background (sky+dark) | 26,214.997 | 104,859.99 | |
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| Background per unit area | |||
| Sky Background (arcsec-2) | 33.188 | 132.751 | |
| Dark Current (arcsec-2) | 10.000 | 40.000 | |
| Extraction region | |||
| box of 32 x 32 pixels | |||
| Effective Sky Area (pixels) | 7.20 | ||
| Fraction of flux | 0.90 | ||
| Fraction of flux in brightest pixel | 0.17 | ||
| Effective Wavelength | 7709.57 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: | Bruzual Synthetic Stellar Spectra M6 V |
| Extinction E(B-V): | None |
| Normalization: | Renormalized to vegamag = 16.92 in filter Johnson/V |
| Redshift: | None |
| Emission Lines: | None |
| Selected background: | |
| Sky Background: | |
| Level: |
These results were computed using: ETC version 26.2
