ETC Request ID: STIS.ta.783365
Exposure time (seconds) = 10.0000
gives: SNR = 19.7075
gives: Time to Saturation (for a single exposure) = 1,085.98 seconds
| Detailed Information | Count rate | Total counts | Associated noise |
| (e-/s) | (e-) | (e-) | |
| Counts (box of 32 x 32 pixels) | |||
| Source | 556.583 | 5,565.83 | 74.60 |
| Background | 21.269 | 212.69 | 14.58 |
| Sky | 1.813 | 18.13 | 4.26 |
| Dark Current | 19.456 | 194.56 | 13.95 |
| Read Out | 272.00 | ||
| Total in selected region | 577.852 | 5,778.52 | 282.42 |
| Brightest Pixel (single exposure) | 110.499 | 1,104.99 | |
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| Global Count Rates | |||
| Source only | 610.541 | 6,105.408 | |
| Background (sky+dark) | 19,980.965 | 199,809.65 | |
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| Background per unit area | |||
| Sky Background (arcsec-2) | 33.330 | 333.302 | |
| Dark Current (arcsec-2) | 7.600 | 76.000 | |
| Extraction region | |||
| box of 32 x 32 pixels | |||
| Effective Sky Area (pixels) | 21.76 | ||
| Fraction of flux | 0.91 | ||
| Fraction of flux in brightest pixel | 0.18 | ||
| Effective Wavelength | 7420.52 Å | ||
| Instrument name: | STIS |
| Mode: | Target Acquisition |
| Detector: | CCD |
| Acquisition Mode: | ACQ/PEAK |
| Aperture: | 52X0.05 |
| Gain: | 4.0 |
| # Frames: | 1 |
| Binning: | 1 |
| Dark: |
| Target: [point source] | |
| Spectrum: | Black body at 2850.0K |
| 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 24.1
