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The Scheduling Block
Let's assume the ObsUnitSet now contains a newly-created SB. In the Project Structure pane the SB(s) is (are) visible directly below the ObsUnitSet. Each SB contains a
Target
folder with one or more Targets and the folder
Resources
, that contains detailed information about the science and calibration Targets, the instrumental setup and the observing parameters. The
Resources
folder initially contains 3 empty folder:
Field Sources
,
Instrument Setup
and
Observing Parameters
.
When clicking on the
SchedBlock
node in the Project tree, the SB form will appear in the Editors pane. It consists of seven panels with input fields. The first three panels,
Basics
,
Control
and
Unit Dependencies
are all very similar to the panels in the ObsUnitSet form (except that the panels and their fields now apply to this SB). In case of apparent clashes the SB values will take precedence. The second half of the SB form is displayed in Figure
8.2
.
The last six panels in the SB form are:
-
Preconditions
which specifies the minimal observing conditions for the execution of this SB.
-
SchedBlock
which specifies details about how the Scheduling Block is to be executed: maximum time, number of repeats and the executable observing script.
-
Advanced Parameters
which is only intended for expert use and is described in more detail in Appendix
F
.
-
Performance Goals and Scheduling Constraints
which specifies the science goals for the observations after data calibration; The panel contains fields for the Representative Target, Coordinates, Frequency, and Receiver Band. These fields should be filled in case the SB contains more than one Target and/or more frequency settings (see below) and will normally be completed when a Representative Target is selected for the SB , either via the SB form in the Editors pane or as a result of SB generation).
-
Temporal Constraints
where any time constraints for the SB can be defined. Currently not used.
-
Observing Groups
which displays a table with the Observing Groups in the SB. For further details see Section
8.3.3
.
The SchedBlock panel of the SB form contains a number of fields for describing the observing mode. The most relevant items in the panel are:
-
Standard Mode: A boolean, should be
true
for indicating a standard mode. For
Expert
modes the value should be false and not checked.
-
Mode Name: a drop-down list offering the currently available modes:
Tower Holography
,
Astronomical Holography
,
Optical Pointing
,
Offset Optical Pointing
,
AIV Single Dish
,
Calibrator Survey
,
Standard Interferometry
and
Expert Mode
.
-
Mode Type:
Observatory
(an observatory mode, e.g. calibration),
User
(science observing) or
Expert
.
-
Obs. Procedure: This file contains the name of the observing script and will be set when filling out
Mode Name
; it may also be edited by hand.
-
Run Quick Look: This parameter controls whether or not Quick Look is initiated for this SB. At the moment this needs to be set by the user (default is true). Later, sensible defaults will be applied depending on the observing mode.
When the SB is generated from the Science Goal (see previous chapter) this information is inserted automatically. However it may be overridden. When the
Mode Name
and tt Mode Type are set manually the
Standard Mode
field should be selected. This will set all of the other relevant information. Eventually, only authorised observers will be allowed to change the
Mode Type
,
Standard Mode
fields and the script.
More SBs can be created when selecting the ObsUnitSet with
Edit
Add Scheduling Block
. If you are not happy with your SB you can delete it easily: Click on
Edit
Delete
. The right mouse button can also be used.
Next:
Targets and Resources
Up:
Create a Phase 2
Previous:
The Observing Unit Set
Contents
Index
The ALMA OT Team, 2011 May 20