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Online Commands

The online commands consists of commands for monitoring the data acquisition (via the OST table), commands for general image inspection, and commands for combining the incoming images. Additionally, a focus command helps the user to determine the best focus position of the telescope. Below follows a brief overview. For a detailed command description the reader is referred to the help files.


 
Table J.1: IRAC2 On-line Commands
ACUTS/IRAC2 display an image with cuts mean-3*sig and mean+ upper*sig.
DCOMBB/IRAC2 sky subtract and combine dithered images
RCOMB/IRAC2 combine frames created with the task DCOMB/IRAC2
FOCUS/IRAC2 determine the best focus from a focus sequence
LAST/IRAC2 give very brief information on the most recent exposures
OBSLIST/IRAC2 print out the most relevant parts of the OST table
OBSREP/IRAC2 create a hardcopy of the most relevant parts of the OST table
QL/IRAC2 subtract one IRAC2 image from another and divide by DIT
SEEING/IRAC2 determine the seeing
 


next up previous contents
Next: Off-line Reduction Up: Online Reduction Previous: The OST table
Petra Nass
1999-06-15