ETC Request ID: STIS.ta.1301977

Exposure time (seconds) = 0.6000

gives: SNR = 90.8379

gives: Time to Saturation (for a single exposure) = 11.39 seconds


Plots

Detailed Information Count rate Total counts Associated noise
(e-/s) (e-) (e-)
Counts (box of 32 x 32 pixels)
    Source 48,152.755 28,891.65 169.98
    Background 25.601 15.36 3.92
        Sky 0.001 8.46e-04 0.03
        Dark Current 25.600 15.36 3.92
    Read Out 268.80
Total in selected region 48,178.356 28,907.01 318.06
Brightest Pixel (single exposure) 10,535.657 6,321.39
Global Count Rates
    Source only 51,613.532 30,968.119
    Background (sky+dark) 26,214.401 15,728.64
Background per unit area
    Sky Background (arcsec-2) 0.141 0.085
    Dark Current (arcsec-2) 10.000 6.000
Extraction region
box of 32 x 32 pixels
    Effective Sky Area (pixels) 4.00
    Fraction of flux 0.93
    Fraction of flux in brightest pixel 0.20
Effective Wavelength 6774.30 Å

Instrument name: STIS
Mode: Target Acquisition
Detector: CCD
Acquisition Mode: ACQ/PEAK
Aperture: 0.2X0.05ND
Gain: 4.0
# Frames: 1
Binning: 1
Dark: medium


Target: [point source]
Spectrum: Bruzual Synthetic Stellar Spectra M1 V
Extinction E(B-V): None
Normalization: Renormalized to vegamag = 8.78 in filter Johnson/V
Redshift: None
Emission Lines: None


Selected background:
  Sky Background:
    Level:

Plots

These results were computed using: ETC version 26.2