ETC Request ID: STIS.ta.1288507

Exposure time (seconds) = 60.0000

gives: SNR = 86.6062

gives: Time to Saturation (for a single exposure) = 2,247.65 seconds


Plots

Detailed Information Count rate Total counts Associated noise
(e-/s) (e-) (e-)
Counts (box of 3 x 3 pixels)
    Source 135.392 8,123.50 90.13
    Background 0.659 39.55 6.29
        Sky 0.434 26.05 5.10
        Dark Current 0.225 13.50 3.67
    Read Out 25.20
Total in selected region 136.051 8,163.05 93.80
Brightest Pixel (single exposure) 53.389 3,203.35
Global Count Rates
    Source only 270.783 16,247.007
    Background (sky+dark) 53,877.858 3,232,671.45
Background per unit area
    Sky Background (arcsec-2) 19.296 1,157.790
    Dark Current (arcsec-2) 10.000 600.000
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 0.20
Effective Wavelength 6975.13 Å

Instrument name: STIS
Mode: Target Acquisition
Detector: CCD
Acquisition Mode: ACQ
Aperture: F28X50LP
Gain: 4.0
# Frames: 1
Binning: 1
Dark: medium


Target: [point source]
Spectrum: Black body at 10000.0K
Extinction E(B-V): None
Normalization: Renormalized to vegamag = 19.0 in filter Johnson/V
Redshift: None
Emission Lines: None


Selected background:
  Sky Background:
    Level:

Plots

These results were computed using: ETC version 26.1