ETC Request ID: STIS.ta.1373629

Exposure time (seconds) = 0.1000

gives: SNR = 78.7353

gives: Time to Saturation (for a single exposure) = 2.56 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 244,898.433 24,489.84 156.49
    Background 27.021 2.70 1.64
        Sky 0.397 0.04 0.20
        Dark Current 26.624 2.66 1.63
    Read Out 268.80
Total in selected region 244,925.453 24,492.55 311.04
Brightest Pixel (single exposure) 46,911.370 4,691.14
Global Count Rates
    Source only 272,213.174 27,221.317
    Background (sky+dark) 27,263.373 2,726.34
Background per unit area
    Sky Background (arcsec-2) 33.053 3.305
    Dark Current (arcsec-2) 10.400 1.040
Extraction region
box of 32 x 32 pixels
    Effective Sky Area (pixels) 4.80
    Fraction of flux 0.90
    Fraction of flux in brightest pixel 0.17
Effective Wavelength 7653.17 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: Bruzual Synthetic Stellar Spectra M6 V
Extinction E(B-V): None
Normalization: Renormalized to vegamag = 12.7 in filter Johnson/V
Redshift: None
Emission Lines: None


Selected background:
  Sky Background:
    Level:

Plots

These results were computed using: ETC version 27.2