BIMA User Information
for your observations.
Before your observations
During your observations
If necessary, review array
capabilities and correlator
configurations. To explore various correlator setups, you
may wish to use XCORF.
If you really want to know how the correlator works, consult the
on-line guide written by Jerry Hudson
an observing command script to make your observations.
Run it through the observing simulator, Checker.
Repeat steps 2 and 3 until your
script successfully passes Checker
and does what you expect.
Submit your script before the
script submission deadline to the $UOBS directory on bima.astro.uiuc.edu. Ask
if you don't know how to do this.
After your observations
You can monitor the progress
of your observations with the java applet,
The data are archived in real-time
at the BIMA Data Archive. You can
download your data from there as it comes in and
review it with standard MIRIAD tasks.
It is important that you examine
your data as soon as possible after they are completed. Serious problems
with the data should be reported immediately to
Rick Forster, Helene R. Dickel, and Ed Sutton (the BIMA schedulers),
so that your project can be
reobserved if necessary. ("The data are not perfect" does NOT qualify
as a serious problem).
Once you have made your maps
and analyzed the data, you should submit your images to the
Digital Image Library
Retrieving your data.
The real-time archiver transfers
data from the Hat Creek Observatory to the NCSA archive server within approximately
one minute of its recording by the telescope operating system (assuming
the network is available and a backlog of data to be transferred does not
memo #62 provides a more detailed description of the archiver and
an analysis of its performance.
To get your data, log in
(You must be
authorized to log in).
Detailed instructions are given there.
The standard way to reduce and
analyze your data is with
has been written explaining the hows and whys of MIRIAD data reduction.
You can also use AIPS
reduce the data.
Programs to help you.
You can get the last 100
lines of the
observing log file, and look at the results
from the current array or previous arrays.
lets you to see how much time per track a given project is likely to be
is a tool that allows you to see which planets and calibrators at any epoch)
are located near your source.
is a real-time array monitor.
- A utility suite useful for the site observer. The tools are:
Xtango - a tool for plotting telemetry data.
Xfixwatch - for disabling/enabling watch sensor alarms.
Xplore - a calibrator locator.
Xscribe - a project scheduling tool.
Packages available for installation:
( Multichannel Image Reconstruction, Image Analysis and Display ) is a
toolbox, in the form of an environment with a large set of
moderate-sized programs which perform individual tasks, involving
calibration, mapping, deconvolution and image analysis of
interferometric data. MIRIAD software is also part of the Hat Creek
telescope control software; data obtained from the telescopes are
directly written into MIRIAD format with a MIRIAD user interface.
is an interactive package with a simple-to-use command line user interface
used to produce publication quality graphical output. WIP is independent of
MIRIAD, but it has been designed to handle images in MIRIAD format, hence is
ideal for presenting your BIMA data in an eye-catching manner.
Note: WIP comes bundled with MIRIAD. If you install MIRIAD, you do not
need to install WIP separately.
is a Motif-based X-windows application used to explore and set up BIMA correlator
configurations. It can write correlator "setup" commands which can be used in
observing command files. The current version is 1.8 07-Oct-97.
Note: XCORF comes bundled with MIRIAD. If you install MIRIAD, you do not
need to install XCORF separately.
Please direct comments, criticisms, corrections
and contributions to:
Page last modified:
Wednesday, 24-Sep-2003 10:25:09 EDT.