<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"></head><body><div>Hello Glen,</div><div><br></div><div>The computing staff says there is a way to run AIPS. </div><div>The user can run AIPS on the cluster after invoking the shell script:<br><br>. /home/aips/<a href="http://LOGIN.SH" original_font_attr="-1" original_line_height_attr="">LOGIN.SH</a></div><div><br></div><div>Let me know if it works. </div><div>If there is a bug in CASA, you should submit a help desk ticket so we can figure it out. </div><div><br></div><div>Thanks, </div><div>Sarah</div><div style="font-size:100%;color:#000000"></div><div style="font-size:100%;color:#000000"><!-- originalMessage --><div>-------- Original message --------</div><div>From: "Langston, Glen" <glangsto@nsf.gov> </div><div>Date: 2/10/2016 5:15 PM (GMT+01:00) </div><div>To: Eric Greisen <egreisen@nrao.edu> </div><div>Cc: daip@nrao.edu, awootten@nrao.edu, Ken Kellermann <kkellerm@nrao.edu>, swood@nrao.edu </div><div>Subject: Re: AIPS and ALMA? </div><div><br></div></div>Hi Eric,<br><br>Thanks of your quick response. Sounds like a very<br>good diagnosis.<br><br>The NRAO should appreciate the value of keeping a<br>second analysis system going for diagnosis of CASA issues.<br><br>Glen<br><br>To summarize, CASA needs an upgrade to their<br>“exportuvfits” program to fill values in an associated table of the uvdata.<br><br>This may be manually fixable inside of AIPS.<br><br>Glen I Langston, Ph. D.<br>Program Director<br>National Science Foundation<br>4201 Wilson Blvd, Suite 1045<br>Arlington, VA 22230<br>P: 703-292-4937<br>glangsto@nsf.gov<br><br>> On Feb 10, 2016, at 10:21 AM, Eric Greisen <egreisen@nrao.edu> wrote:<br>> <br>> On 02/09/2016 04:09 PM, Langston, Glen wrote:<br>>> Hi Eric,<br>>> <br>>> Hope all is well with you. After some fiddling inside of CASA I decided to<br>>> try to export some UV data to AIPS for a test.<br>>> <br>>> However this is not going too well either.<br>>> <br>>> The UVLOD step looks good to start with:<br>>> <br>>> IPS 1: Image=Saturn (UV) Filename=Saturn .UVDATA. 1<br>>> AIPS 1: Telescope=ALMA Receiver=ALMA<br>>> AIPS 1: Observer=Unknown User #= 1256<br>>> AIPS 1: Observ. date=14-JAN-2012 Map date=09-FEB-2016<br>>> AIPS 1: # visibilities 1200 Sort order TB<br>>> AIPS 1: Rand axes: UU-L VV-L WW-L TIME1 SUBARRAY FREQSEL ANTENNA1<br>>> AIPS 1: ANTENNA2<br>>> AIPS 1: ----------------------------------------------------------------<br>>> AIPS 1: Type Pixels Coord value at Pixel Coord incr Rotat<br>>> AIPS 1: COMPLEX 3 1.0000000E+00 1.00 1.0000000E+00 0.00<br>>> AIPS 1: STOKES 2 -5.0000000E+00 1.00 -1.0000000E+00 0.00<br>>> AIPS 1: FREQ 3840 2.3053812E+11 1921.00 2.4414062E+05 0.00<br>>> AIPS 1: IF 1 1.0000000E+00 1.00 1.0000000E+00 0.00<br>>> AIPS 1: RA 1 13 50 42.054 1.00 3600.000 0.00<br>>> AIPS 1: DEC 1 -08 44 30.927 1.00 3600.000 0.00<br>>> AIPS 1: ----------------------------------------------------------------<br>>> AIPS 1: Coordinate equinox 2000.00<br>>> AIPS 1: Maximum version number of extension files of type HI is 1<br>>> AIPS 1: Maximum version number of extension files of type FQ is 1<br>>> AIPS 1: Maximum version number of extension files of type AN is 1<br>>> AIPS 1: Maximum version number of extension files of type WX is 1<br>>> AIPS 1: Maximum version number of extension files of type NX is 1<br>>> AIPS 1: Maximum version number of extension files of type PL is 2<br>>> <br>>> However the imagr step is not yielding any good results.<br>>> <br>>> Any idea why the frequency error messages are appearing (below)?<br>>> <br>>> <br>>> Thanks<br>>> <br>>> Glen<br>>> <br>>> <br>>> <br>>> uclid> IMAGR1: UVGET: doing no flagging this time<br>>> euclid> IMAGR1: WARNING: uncalibrated linear polarization data may be a problem<br>>> euclid> IMAGR1: CHANGED FREQ = 0 TO 1 HZ TO AVOID BIGGER HURTS<br>>> euclid> IMAGR1: CHANGED FREQ = 0 TO 1 HZ TO AVOID BIGGER HURTS<br>>> euclid> IMAGR1: CHANGED FREQ = 0 TO 1 HZ TO AVOID BIGGER HURTS<br>>> euclid> IMAGR1: CHANGED FREQ = 0 TO 1 HZ TO AVOID BIGGER HURTS<br>>> euclid> IMAGR1: CHANGED FREQ = 0 TO 1 HZ TO AVOID BIGGER HURTS<br>>> euclid> IMAGR1: CHANGED FREQ = 0 TO 1 HZ TO AVOID BIGGER HURTS<br>>> euclid> IMAGR1: Create Saturn .IMAGR . 1 (UV) on disk 1 cno 13<br>>> euclid> IMAGR1: Beginning channel 1 through 2 with 1 IFs<br>>> euclid> IMAGR1: CHANGED FREQ = 0 TO 1 HZ TO AVOID BIGGER HURTS<br>>> euclid> IMAGR1: IMACPY: Copied 1200 visibilities to be imaged<br>>> euclid> IMAGR1: CHANGED FREQ = 0 TO 1 HZ TO AVOID BIGGER HURTS<br>>> euclid> IMAGR1: QINIT: did a GET of 5120 Kwords, OFF -63346538<br>>> euclid> IMAGR1: UVWAIT: begin finding uniform weights<br>>> euclid> IMAGR1: UVWAIT: Average grid weight 2.733E-01<br>>> euclid> IMAGR1: UVWAIT: Adding temperance S 5.466E-02<br>>> euclid> IMAGR1: UVWAIT: begin applying uniform or other weights<br>>> euclid> IMAGR1: UVWAIT: Sum of weights in 2.733E-01 and out 2.733E-01<br>>> euclid> IMAGR1: UVWAIT: Noise is increased by a factor 1.000 due to weighting<br>>> euclid> IMAGR1: UVWAIT: Average summed weight 2.733E-01 over 2400. vis<br>>> euclid> IMAGR1: Create Saturn .IBM001. 4 (MA) on disk 1 cno 14<br>>> euclid> IMAGR1: Create Saturn .ICL001. 4 (MA) on disk 1 cno 16<br>>> euclid> IMAGR1: CHANGED FREQ = 0 TO 1 HZ TO AVOID BIGGER HURTS<br>>> euclid> IMAGR1: GRDFLT: X and Y convolution type = SPHEROIDAL<br>>> euclid> IMAGR1: GRDFLT: X and Y parms = 3.0000 1.0000<br>>> euclid> IMAGR1: GRDFLT: convolution function sampled every 1/100 of a cell<br>>> euclid> IMAGR1: GRDMEM: FREQUENCIES UNKNOWN BEGINNING WITH CHANNEL 2<br>>> euclid> IMAGR1: OUVIMG: MAKING BEAM BEAM field number 0001<br>>> euclid> IMAGR1: OUVIMG: FROM UVdata work object<br>>> euclid> IMAGR1: CLNINI: ERROR OPENING CLEAN process object<br>>> euclid> IMAGR1: CLNUV : ERROR CLEANING CLEAN process object<br>>> euclid> IMAGR1: Deleting UV work file:<br>>> euclid> IMAGR1: Destroyed 1 extension files of type AN<br>>> euclid> IMAGR1: Destroyed 1 extension files of type FQ<br>>> euclid> IMAGR1: Destroyed UV image file: catno= 13 disk= 1<br>>> euclid> IMAGR1: Purports to die of UNNATURAL causes<br>>> euclid> IMAGR1: euclid 31DEC15 NEW: Cpu= 4.8 Real= 5 IO= 180<br>> <br>> people have done ALMA data in AIPS but ALMA believes that uv data should never be given to users and so there is no support for FITS readers and writers.<br>> <br>> Take a look at the FQ table. Since this is a simple data set - 1 FQ, 1 IF, single source - you should be able to fix the values in the FQ table to match those you see in the header.<br>> <br>> TABPUT is the verb you will probably need.<br>> <br>> Eric Greisen<br><br></body></html>