ETC Request ID: STIS.ta.1003046

Exposure time (seconds) = 0.1000

gives: SNR = 134.1895

gives: Time to Saturation (for a single exposure) = 1.24 seconds


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Detailed Information Count rate Total counts Associated noise
(e-/s) (e-) (e-)
Counts (box of 32 x 32 pixels)
    Source 453,480.298 45,348.03 212.95
    Background 18.831 1.88 1.37
        Sky 0.399 0.04 0.20
        Dark Current 18.432 1.84 1.36
    Read Out 262.40
Total in selected region 453,499.129 45,349.91 337.94
Brightest Pixel (single exposure) 96,797.930 9,679.79
Global Count Rates
    Source only 489,048.879 48,904.888
    Background (sky+dark) 18,874.767 1,887.48
Background per unit area
    Sky Background (arcsec-2) 33.243 3.324
    Dark Current (arcsec-2) 7.200 0.720
Extraction region
box of 32 x 32 pixels
    Effective Sky Area (pixels) 4.80
    Fraction of flux 0.93
    Fraction of flux in brightest pixel 0.20
Effective Wavelength 6946.37 Å

Instrument name: STIS
Mode: Target Acquisition
Detector: CCD
Acquisition Mode: ACQ/PEAK
Aperture: 0.2X0.06
Gain: 4.0
# Frames: 1
Binning: 1
Dark: medium


Target: [point source]
Spectrum: User uploaded spectrum: HIP17695_full_scaled.dat
Extinction E(B-V): None
Normalization: None
Redshift: None
Emission Lines: None


Selected background:
  Sky Background:
    Level:

Plots

These results were computed using: ETC version 25.2