ETC Request ID: STIS.ta.1009818

Requested Signal/Noise Ratio = 40.000

gives: Time = 0.2470 seconds

gives: Time to Saturation (for a single exposure) = 13.21 seconds


Plots

Detailed Information Count rate Total counts Associated noise
(e-/s) (e-) (e-)
Counts (box of 32 x 32 pixels)
    Source 45,862.611 11,326.89 106.43
    Background 23.751 5.87 2.42
        Sky 5.319 1.31 1.15
        Dark Current 18.432 4.55 2.13
    Read Out 262.40
Total in selected region 45,886.362 11,332.76 283.17
Brightest Pixel (single exposure) 9,085.274 2,243.83
Global Count Rates
    Source only 50,325.635 12,429.142
    Background (sky+dark) 19,044.573 4,703.52
Background per unit area
    Sky Background (arcsec-2) 33.243 8.210
    Dark Current (arcsec-2) 7.200 1.778
Extraction region
box of 32 x 32 pixels
    Effective Sky Area (pixels) 64.00
    Fraction of flux 0.91
    Fraction of flux in brightest pixel 0.18
Effective Wavelength 7429.79 Å

Instrument name: STIS
Mode: Target Acquisition
Detector: CCD
Acquisition Mode: ACQ/PEAK
Aperture: 52X0.1
Gain: 4.0
# Frames: 1
Binning: 1
Dark: medium


Target: [point source]
Spectrum: Black body at 3050.0K
Extinction E(B-V): None
Normalization: Renormalized to vegamag = 14.59 in filter Johnson/V
Redshift: None
Emission Lines: None


Selected background:
  Sky Background:
    Level:

Plots

These results were computed using: ETC version 25.2