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: http://www.naic.edu/~astro/spectral_line/auto_program/
Дата изменения: Tue Jul 3 01:01:01 2001
Дата индексирования: Sat Dec 22 04:46:27 2007
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AUTOMATIC OBSERVING PROGRAM
Use at your own risk
This is a modified version of a program written by Rick Fisher to
create a "automatic" observing program.
The idea behind these routines is simple - you pick the area of the sky
you wish to observe that night (east, south, or north) and then feed
the program the starting lst, az angle, and zenith angle for your observations.
The program will create a file called .exec which is just a series
of "dosrc" commands for the telescope. This file should then be sourced
once you've started the dataking routines and have set up the correlator.
THE DETAILS
The program input is as follows:
make____ start_lst(hh:mm) src.list [start_az start_za No_setups]
- make____ : This is the makeeast, makenorth, or makesouth command which
decides which area of the sky you will be observing. There are also makene,
makenw,makese, and makew commands, but they aren't extremely useful.
[NOTE - If anyone would like to rewrite this program to
deal with the whole issue of wrapping please let me know.]
- <proj> :This is just your project number (i.e. a9999) and it is
used both for making the executable file name (a9999.exec) and for
knowing the name of your .sls set-up files (assumed to be a9999.sls).
- start_lst(hh:mm) :The is the LST at which your observations
will start. You should try to be within a minute or two of the actual
start time.
- src.list :This is simply the name of your source list. It can
be anything, but needs to be entered in.
- start_az :This is the azimuth angle which the telescope is at when
the program starts. If you are inaccurate with this, the program will
misidentify the amount of slew time necessary to reach your first source.
If you do not enter this, it defaults to 180.0.
- start_za :This is the zenith angle which the telescope is at when
the program starts. If you are inaccurate with this, the program will
misidentify the amount of slew time necessary to reach your first source.
If you do not enter this, it defaults to 10.0.
- No_setups :You may have either one or two set-up (.sls) files
for this program. If you have only one .sls file, the program assumes your
the file is named, i.e. a9999.sls. If you have two set-up files, the
project assumes they are named, i.e. a9999a.sls and a9999b.sls. You tell
the program which .sls file to use for a given observation by the target object's
priority number -- a priority of 2 selects the "b" set-up file, while all
other priorities select the "a" set-up file.
The source list should read as normal, execpt that a priority
must be given to each object in the last column, after a comment ("#") symbol.
This priority runs from 1 - 6, with 1 being objects of highest priority. If you wish to
remove object from consideration, you can either comment them out
(by placing a "#" at the beginning of the line) or simply give them
a priority greater than 6.
An example source list might look like this :
126 001344.7 +143625 j 0. # 1
266 002722.8 +105054 j 0. # 2
293 002919.8 +262435 j 0. # 3
M03-03-021 003942.4 211405.9 j 0. # 6
CGCG457_024 003948.6 211256.8 j 0. # 1
424 003950.1 +203104 j 0. # 11
795 011456.3 +122251 b 0. # 1
1122 013419.6 +291552 j 0. # 1
2580 031133.4 +064216 b 0. # 3
U2588 031226.7 +142430 j 0. # 1
The output of the program is a file called "a9999.exec" (or whatever your
project number is), which is the file to be sourced in vxworks (see below), and
prog_summary, which summarizes what your a9999.exec file is going to do.
To run the program in the gui, just start up the gui as normal.
At any point, you can tell the gui to begn your auto observe program by:
- After the "AutoObserve" button, change the type of observations
to "vw%'
- Enter the file name (a9999.exec) after the 'File:" button
- Hit "AutoObserve", and watch things happen
- To quit, first hit "AutoObserve". When it is red, hit the "Ctrl-C" button.
Things to think about before using this program:
- You can set the length of time for you obsrvation, as well as
the number of loops and the wait time between ON and OFFs, with
the spectral line gui. You must be aware, though, that the
"make..." program has no means of knowing you did this, and you could
readily screw things up. If you do wish to use values other than
the "standards" (time on source - 5 minutes, number of loops = 1,
and time between on & off source observations = 1 minute), you need
to go into the makesched.h file, change the values there, and then
re-compile the program before running it. Changing the
observation time and wait time is trivial. Changing the number of
loops is also trivial, but isn't well tested.
If you change things, be sure that the numbers on the
widget match the numbers in the makesched.h file!!!
- If you have two set-up files, the program assumes that you
will be switching from one receiver to the next. If this is not
the case, you need to reduce the "TURRET_CHANGE_TIME" variable
in the makesched.h file, or simply accept that the program won't
be perfect.
- This program isn't perfect. This means it won't always be exactly
where it should be at a given time. Hopefully, though, it will never be
off by more than a couple minutes.
- At present, this only accepts coordinates which are in RA & Dec,
and in either the J2000 (j) or B1950 (b) epoch.
- You should pay close attention to "holes" in you observing schedule.
It may be worth adding a few extra object, or extra copies of objects,
to your source list to eliminate those holes.
- Please be aware of the fact that things
can go wrong while you are observing which the operator may not
have any means of noticing. This means that if you use this
program and decide not to monitor the incoming data, time
lost on the telescope during your inattention is your own fault.
You will NOT be given a chance to make up this time.
To download your own tarred, g'zipped set of these programs, click
here.
To re-compile the program (you may not need to), just type "make" in the
directory with the source code.
Last updated 25 Nov, 2000