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