ETC Request ID: STIS.ta.1009288
Requested Signal/Noise Ratio = 40.000
gives: Time = 7.8853 seconds
gives: Time to Saturation (for a single exposure) = 447.48 seconds
| Detailed Information | Count rate | Total counts | Associated noise |
| (e-/s) | (e-) | (e-) | |
| Counts (box of 32 x 32 pixels) | |||
| Source | 1,438.201 | 11,340.67 | 106.49 |
| Background | 23.751 | 187.28 | 13.69 |
| Sky | 5.319 | 41.94 | 6.48 |
| Dark Current | 18.432 | 145.34 | 12.06 |
| Read Out | 262.40 | ||
| Total in selected region | 1,461.952 | 11,527.95 | 283.52 |
| Brightest Pixel (single exposure) | 268.171 | 2,114.61 | |
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| Global Count Rates | |||
| Source only | 1,618.493 | 12,762.321 | |
| Background (sky+dark) | 19,044.573 | 150,172.42 | |
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| Background per unit area | |||
| Sky Background (arcsec-2) | 33.243 | 262.133 | |
| Dark Current (arcsec-2) | 7.200 | 56.774 | |
| Extraction region | |||
| box of 32 x 32 pixels | |||
| Effective Sky Area (pixels) | 64.00 | ||
| Fraction of flux | 0.89 | ||
| Fraction of flux in brightest pixel | 0.17 | ||
| Effective Wavelength | 7834.34 Å | ||
| Instrument name: | STIS |
| Mode: | Target Acquisition |
| Detector: | CCD |
| Acquisition Mode: | ACQ/PEAK |
| Aperture: | 52X0.1 |
| Gain: | 4.0 |
| # Frames: | 1 |
| Binning: | 1 |
| Dark: | medium |
| Target: [point source] | |
| Spectrum: | Black body at 2500.0K |
| Extinction E(B-V): | None |
| Normalization: | Renormalized to vegamag = 18.8 in filter Johnson/V |
| Redshift: | None |
| Emission Lines: | None |
| Selected background: | |
| Sky Background: | |
| Level: |
These results were computed using: ETC version 25.2
