ETC Request ID: STIS.ta.1163473

Requested Signal/Noise Ratio = 40.000

gives: Time = 0.9451 seconds

gives: Time to Saturation (for a single exposure) = 181.77 seconds


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Detailed Information Count rate Total counts Associated noise
(e-/s) (e-) (e-)
Counts (box of 3 x 3 pixels)
    Source 2,208.183 2,087.01 45.68
    Background 0.227 0.21 0.46
        Sky 0.002 1.48e-03 0.04
        Dark Current 0.225 0.21 0.46
    Read Out 25.20
Total in selected region 2,208.410 2,087.23 52.18
Brightest Pixel (single exposure) 660.191 623.97
Global Count Rates
    Source only 4,416.366 4,174.029
    Background (sky+dark) 26,257.865 24,817.03
Background per unit area
    Sky Background (arcsec-2) 0.070 0.066
    Dark Current (arcsec-2) 10.000 9.451
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 0.15
Effective Wavelength 8270.76 Å

Instrument name: STIS
Mode: Target Acquisition
Detector: CCD
Acquisition Mode: ACQ
Aperture: F25ND3
Gain: 4.0
# Frames: 1
Binning: 1
Dark: medium


Target: [point source]
Spectrum: User uploaded spectrum: GJ1061_for_ETC_targetacquisition.txt
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 26.1