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Дата индексирования: Sun Apr 10 07:56:43 2016
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Поисковые слова: virgo cluster

OPHMAXDT

OPHMAXDT is the parameter for OPTMODE=HAS that sets the maximum deviation from the desired hour angle that a scan will be considered. This helps limit the number of scans considered at any one time but, most importantly, prevents use of the scan at an inappropriate time, for example, because no appropriate scan was available at that time. Because of this parameter and OPDUR is is possible to not use all input scans. Users should watch for this and probably adjust scan parameters to fix the problem.

See the discussion of the possible optimization modes in the section on OPTMODE for more information on OPTMODE=HAS

• Argument: Any real time
• Options: Any
• Default: 2:0:0 (2 hours)
• Usage: Uses the most recent value specified.
• Example: OPHMAXDT = 30:00

• Argument: Any real hour angle
• Options: Any
• Default: Zero. SCHED will pick the values. The default is usually what you will want.
• Usage: Uses the last value specified. It is not a good idea to specify one and not the others as then all scans will have the same desired hour angle and the behavior will probably be a bit weird.
• Example: OPHA=PT