Cosmic Origins Spectrograph Instrument Handbook for Cycle 17

Chapter 7:
Target Acquisitions

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7.1 Planning a COS Acquisition
7.2 Safety First: Bright Object Protection
    7.2.1 FUV bright object protection
    7.2.2 NUV bright object protection
    7.2.3 Screening limits
    7.2.4 Risks from nearby objects
7.3 How Accurate an Acquisition Do I Need?
    7.3.1 Centering accuracy and photometric precision
    7.3.2 Centering accuracy and the wavelength scale
    7.3.3 Centering accuracy and spectroscopic resolution
7.4 COS Acquisitions and Coordinate Accuracy
7.5 Imaging Acquisitions
    7.5.1 Exposure times and count rates
    7.5.2 Imaging acquisitions with mediocre coordinates
7.6 FUV Dispersed-Light Acquisitions
    7.6.1 FUV dispersed-light acquisition summary
    7.6.2 Mode=ACQ: The spiral target search
    7.6.3 PEAKXD: Peaking up in the cross-dispersion direction
    7.6.4 PEAKD: Peaking up in the along-dispersion direction
7.7 NUV Dispersed-Light Acquisitions
7.8 Acquisition Techniques for Crowded Regions