ETC Request ID: STIS.ta.820952

Exposure time (seconds) = 1.0000

gives: SNR = 285.1117

gives: Time to Saturation (for a single exposure) = 3.60 seconds


Plots

Detailed Information Count rate Total counts Associated noise
(e-/s) (e-) (e-)
Counts (box of 3 x 3 pixels)
    Source 81,934.399 81,934.40 286.24
    Background 0.608 0.61 0.78
        Sky 0.437 0.44 0.66
        Dark Current 0.171 0.17 0.41
    Read Out 25.50
Total in selected region 81,935.007 81,935.01 287.38
Brightest Pixel (single exposure) 33,367.886 33,367.89
Global Count Rates
    Source only 163,868.799 163,868.799
    Background (sky+dark) 47,758.524 47,758.52
Background per unit area
    Sky Background (arcsec-2) 19.417 19.417
    Dark Current (arcsec-2) 7.600 7.600
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 6788.19 Å

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


Target: [point source]
Spectrum: Black body at 47250.0K
Extinction E(B-V): None
Normalization: Flux 7.5e-12 flam at 1300.0 Å
Redshift: None
Emission Lines: None


Selected background:
  Sky Background:
    Level:

Plots

These results were computed using: ETC version 24.2