[daip] Problems with polarization calibration in AIPS 31DEC09
Luis F. Rodriguez
l.rodriguez at crya.unam.mx
Mon Oct 12 11:40:21 EDT 2009
Dear Eric: Thank you for looking into this. Here is the AN table:
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:13 Page 1
19970104 .UVCOP . 1 Disk= 1 AN Table version 1
Title: AIPS UV DATA FILE ANTENNA TABLE
Created by PCAL on 12-OCT-2009 10:27:39
Last written by PCAL on 12-OCT-2009 10:27:39
Ncol 14 Nrow 29 Sort cols:
Table has 24 keyword-value pairs:
ARRAYX = -1.6011853650000D+06
ARRAYY = -5.0419775470000D+06
ARRAYZ = 3.5548758700000D+06
GSTIA0 = 1.0364055869686D+02
DEGPDY = 3.6098564497457D+02
FREQ = 4.8851000000000D+09
RDATE = 19970104
POLARX = 0.0000000000000D+00
POLARY = 0.0000000000000D+00
UT1UTC = 0.0000000000000D+00
DATUTC = 3.0000000000000D+01
TIMSYS = IAT
ARRNAM = VLA
XYZHAND = RIGHT
FRAME =
NUMORB = 0
NOPCAL = 2
NO_IF = 2
FREQID = 1
IATUTC = 0.0000000000000D+00
POLTYPE = APPROX
P_REFANT = 1
P_DIFF01 = 0.0000000000000D+00
P_DIFF02 = 0.0000000000000D+00
Table format incompatable with FITS ASCII tables
Type Q to stop, just hit RETURN to continue
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:14 Page 2
COL. NO. 1 2 3 4 5 6 7
ROW ANNAME STABXYZ ORBPARM NOSTA MNTSTA STAXOF DIAMETER
NUMBER METERS METERS METERS
1 VLA:_N48 -5.271265D+03 1 0 5.786E-03 2.500E+01
1 -8.235649D+02
1 7.791986D+03
2 VLA:_W24 1.005444D+03 2 0 8.694E-04 2.500E+01
2 -2.643007D+03
2 -1.472167D+03
3 VLA:_N72 -1.057741D+04 3 0 -1.169E-03 2.500E+01
3 -1.651450D+03
3 1.561886D+04
4 VLA:_E8 1.144817D+02 4 0 1.331E-02 2.500E+01
4 4.386830D+02
4 -1.694646D+02
5 VLA:_W40 2.395001D+03 5 0 8.694E-04 2.500E+01
5 -6.350021D+03
5 -3.550940D+03
6 VLA:_E24 7.652284D+02 6 0 7.195E-04 2.500E+01
6 2.889447D+03
6 -1.108869D+03
7 VLA:_W64 5.349172D+03 7 0 -2.638E-03 2.500E+01
7 -1.422434D+04
7 -7.964432D+03
8 VLA:_W8 1.527843D+02 8 0 1.211E-02 2.500E+01
8 -4.012759D+02
8 -2.233806D+02
9 VLA:_N32 -2.629070D+03 9 0 -1.979E-02 2.500E+01
9 -4.106598D+02
9 3.885642D+03
Type Q to stop, just hit RETURN to continue
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:14 Page 3
ROW ANNAME STABXYZ ORBPARM NOSTA MNTSTA STAXOF DIAMETER
NUMBER METERS METERS METERS
10 VLA:_OUT 0.000000D+00 10 0 0.000E+00 2.500E+01
10 0.000000D+00
10 0.000000D+00
11 VLA:_N16 -8.013840D+02 11 0 3.538E-03 2.500E+01
11 -1.249664D+02
11 1.182134D+03
12 VLA:_W72 6.536273D+03 12 0 -1.589E-03 2.500E+01
12 -1.741022D+04
12 -9.755471D+03
13 VLA:_W56 4.259016D+03 13 0 1.979E-03 2.500E+01
13 -1.131149D+04
13 -6.329960D+03
14 VLA:_N64 -8.642078D+03 14 0 -5.396E-04 2.500E+01
14 -1.349254D+03
14 1.276073D+04
15 VLA:_N56 -6.870882D+03 15 0 2.129E-03 2.500E+01
15 -1.072934D+03
15 1.014877D+04
16 VLA:_E48 2.495803D+03 16 0 -7.345E-03 2.500E+01
16 9.491906D+03
16 -3.654698D+03
17 VLA:_E56 3.241998D+03 17 0 -1.739E-03 2.500E+01
17 1.236605D+04
17 -4.767434D+03
18 VLA:_E32 1.253258D+03 18 0 -8.994E-04 2.500E+01
18 4.733626D+03
18 -1.816907D+03
19 VLA:_E40 1.836982D+03 19 0 -3.897E-03 2.500E+01
19 6.942079D+03
Type Q to stop, just hit RETURN to continue
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:15 Page 4
ROW ANNAME STABXYZ ORBPARM NOSTA MNTSTA STAXOF DIAMETER
NUMBER METERS METERS METERS
19 -2.665212D+03
20 VLA:_N40 -3.854637D+03 20 0 4.107E-03 2.500E+01
20 -6.022867D+02
20 5.698956D+03
21 VLA:_E64 4.083260D+03 21 0 -4.197E-04 2.500E+01
21 1.555046D+04
21 -5.990494D+03
22 VLA:_E72 4.857940D+03 22 0 2.129E-03 2.500E+01
22 1.909028D+04
22 -7.275889D+03
23 VLA:_W16 4.998527D+02 23 0 -1.199E-03 2.500E+01
23 -1.317995D+03
23 -7.351979D+02
24 VLA:_N24 -1.660436D+03 24 0 2.188E-03 2.500E+01
24 -2.594060D+02
24 2.454458D+03
25 VLA:_W32 1.640054D+03 25 0 -3.028E-03 2.500E+01
25 -4.329939D+03
25 -2.416678D+03
26 VLA:_W48 3.275157D+03 26 0 -9.893E-04 2.500E+01
26 -8.682502D+03
26 -4.854830D+03
27 VLA:_N8 -2.435872D+02 27 0 5.096E-04 2.500E+01
27 -3.804154D+01
27 3.600640D+02
28 VLA:_E16 3.770167D+02 28 0 -2.878E-03 2.500E+01
28 1.440999D+03
28 -5.560820D+02
29 VPT:_OUT 0.000000D+00 29 0 0.000E+00 2.500E+01
Type Q to stop, just hit RETURN to continue
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:15 Page 5
ROW ANNAME STABXYZ ORBPARM NOSTA MNTSTA STAXOF DIAMETER
NUMBER METERS METERS METERS
29 0.000000D+00
29 0.000000D+00
Type Q to stop, just hit RETURN to continue
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:16 Page 6
COL. NO. 8 9 10 11 12 13 14
ROW BEAMFWHM POLTYA POLAA POLCALA POLTYB POLAB POLCALB
NUMBER DEGR/M DEGREES DEGREES
1 0.000E+00 R 0.000E+00 -8.743E-10 L 0.000E+00 -2.731E-03
1 0.000E+00 1.861E-09 -1.508E-03
1 -1.713E-09 -2.080E-04
1 -2.049E-09 1.733E-03
2 0.000E+00 R 0.000E+00 4.032E-03 L 0.000E+00 -6.590E-03
2 0.000E+00 8.552E-03 1.239E-02
2 1.207E-02 2.402E-03
2 -7.124E-03 -9.448E-03
3 0.000E+00 R 0.000E+00 1.389E-03 L 0.000E+00 -8.591E-03
3 0.000E+00 3.065E-03 -4.113E-03
3 2.043E-03 4.313E-03
3 6.054E-03 7.285E-03
4 0.000E+00 R 0.000E+00 -2.880E-03 L 0.000E+00 -3.152E-03
4 0.000E+00 -2.099E-03 -7.386E-03
4 1.012E-02 3.205E-03
4 5.543E-03 1.424E-02
5 0.000E+00 R 0.000E+00 6.835E-03 L 0.000E+00 -1.098E-02
5 0.000E+00 -4.690E-03 2.255E-03
5 -9.841E-04 6.072E-03
5 7.585E-03 4.312E-03
6 0.000E+00 R 0.000E+00 -1.548E-03 L 0.000E+00 -8.374E-03
6 0.000E+00 5.164E-05 -6.110E-03
6 4.322E-03 1.121E-02
6 1.364E-03 2.695E-03
7 0.000E+00 R 0.000E+00 7.948E-04 L 0.000E+00 -7.434E-03
7 0.000E+00 3.105E-03 6.231E-04
7 -1.128E-03 4.866E-03
7 9.128E-04 9.553E-03
Type Q to stop, just hit RETURN to continue
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:16 Page 7
ROW BEAMFWHM POLTYA POLAA POLCALA POLTYB POLAB POLCALB
NUMBER DEGR/M DEGREES DEGREES
8 0.000E+00 R 0.000E+00 -3.903E-03 L 0.000E+00 -1.794E-03
8 0.000E+00 6.795E-03 -1.450E-03
8 9.345E-03 6.438E-04
8 -2.935E-03 -6.067E-04
9 0.000E+00 R 0.000E+00 6.698E-03 L 0.000E+00 -1.562E-02
9 0.000E+00 -1.174E-02 -9.584E-03
9 -1.089E-02 8.192E-03
9 1.737E-02 1.930E-02
10 0.000E+00 R 0.000E+00 0.000E+00 L 0.000E+00 0.000E+00
10 0.000E+00 0.000E+00 0.000E+00
10 0.000E+00 0.000E+00
10 0.000E+00 0.000E+00
11 0.000E+00 R 0.000E+00 4.293E-03 L 0.000E+00 -8.676E-03
11 0.000E+00 3.407E-03 7.075E-03
11 9.342E-03 1.795E-03
11 5.320E-04 -7.992E-04
12 0.000E+00 R 0.000E+00 9.566E-04 L 0.000E+00 2.987E-03
12 0.000E+00 9.920E-03 7.117E-03
12 1.494E-02 4.171E-03
12 -2.107E-02 -1.185E-02
13 0.000E+00 R 0.000E+00 0.000E+00 L 0.000E+00 -4.977E-03
13 0.000E+00 0.000E+00 -9.511E-03
13 -3.449E-03 7.986E-03
13 -7.499E-03 -2.052E-03
14 0.000E+00 R 0.000E+00 3.329E-03 L 0.000E+00 -1.370E-02
14 0.000E+00 -3.002E-03 8.037E-03
14 4.272E-03 2.019E-03
14 -1.738E-03 1.876E-02
15 0.000E+00 R 0.000E+00 -8.056E-03 L 0.000E+00 -2.315E-03
Type Q to stop, just hit RETURN to continue
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:17 Page 8
ROW BEAMFWHM POLTYA POLAA POLCALA POLTYB POLAB POLCALB
NUMBER DEGR/M DEGREES DEGREES
15 0.000E+00 1.220E-02 5.341E-03
15 3.517E-02 3.620E-03
15 -7.343E-03 1.750E-02
16 0.000E+00 R 0.000E+00 -7.567E-03 L 0.000E+00 2.858E-03
16 0.000E+00 -6.664E-03 -5.222E-03
16 1.258E-02 -6.787E-03
16 7.503E-03 1.386E-02
17 0.000E+00 R 0.000E+00 4.704E-03 L 0.000E+00 -1.274E-02
17 0.000E+00 6.772E-03 3.018E-03
17 1.007E-03 8.560E-03
17 6.149E-04 3.987E-03
18 0.000E+00 R 0.000E+00 -4.605E-03 L 0.000E+00 -1.799E-03
18 0.000E+00 1.079E-02 3.884E-03
18 6.971E-03 -4.963E-03
18 6.571E-04 1.701E-03
19 0.000E+00 R 0.000E+00 6.134E-04 L 0.000E+00 -1.893E-02
19 0.000E+00 1.139E-02 6.424E-03
19 7.190E-03 1.165E-02
19 -3.698E-03 1.211E-04
20 0.000E+00 R 0.000E+00 -2.699E-03 L 0.000E+00 1.280E-03
20 0.000E+00 2.092E-02 1.604E-02
20 1.231E-02 -7.820E-03
20 -1.289E-02 -9.820E-03
21 0.000E+00 R 0.000E+00 -3.288E-03 L 0.000E+00 -9.899E-03
21 0.000E+00 -4.409E-03 -4.627E-03
21 3.031E-02 2.521E-02
21 5.323E-04 2.718E-02
22 0.000E+00 R 0.000E+00 1.289E-02 L 0.000E+00 -2.788E-02
22 0.000E+00 -6.491E-03 -1.409E-02
Type Q to stop, just hit RETURN to continue
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:17 Page 9
ROW BEAMFWHM POLTYA POLAA POLCALA POLTYB POLAB POLCALB
NUMBER DEGR/M DEGREES DEGREES
22 -8.957E-03 2.062E-02
22 1.236E-02 1.530E-02
23 0.000E+00 R 0.000E+00 -1.222E-02 L 0.000E+00 4.023E-03
23 0.000E+00 -1.119E-03 -6.402E-04
23 0.000E+00 -7.924E-03
23 0.000E+00 5.603E-03
24 0.000E+00 R 0.000E+00 1.527E-04 L 0.000E+00 -1.320E-02
24 0.000E+00 7.583E-03 1.280E-02
24 7.599E-03 7.245E-03
24 -1.662E-03 -4.163E-03
25 0.000E+00 R 0.000E+00 -2.666E-03 L 0.000E+00 -2.520E-03
25 0.000E+00 -5.804E-03 -1.300E-02
25 1.087E-02 -2.888E-03
25 1.283E-02 1.779E-02
26 0.000E+00 R 0.000E+00 -3.240E-03 L 0.000E+00 -6.907E-03
26 0.000E+00 5.672E-03 8.928E-04
26 1.456E-02 -2.640E-03
26 5.057E-03 -4.226E-04
27 0.000E+00 R 0.000E+00 4.253E-03 L 0.000E+00 -1.229E-02
27 0.000E+00 8.040E-03 4.824E-03
27 2.176E-03 4.769E-03
27 -1.263E-03 -1.276E-03
28 0.000E+00 R 0.000E+00 6.629E-03 L 0.000E+00 -1.066E-02
28 0.000E+00 8.076E-03 6.051E-03
28 1.054E-02 3.026E-03
28 3.264E-04 -2.949E-04
29 0.000E+00 R 0.000E+00 0.000E+00 L 0.000E+00 0.000E+00
29 0.000E+00 0.000E+00 0.000E+00
29 0.000E+00 0.000E+00
Type Q to stop, just hit RETURN to continue
auriga PRTAB(31DEC09) 171 12-OCT-2009 10:39:18 Page 10
ROW BEAMFWHM POLTYA POLAA POLCALA POLTYB POLAB POLCALB
NUMBER DEGR/M DEGREES DEGREES
29 0.000E+00 0.000E+00
AIPS 1: Resumes
Best Regards, Luis.
>X-NRAO-Sekrit: 3C273
>X-NRAO-whatever: primate.aoc.nrao.edu
>Date: Sun, 11 Oct 2009 14:34:32 -0600
>From: Eric Greisen <egreisen at nrao.edu>
>User-Agent: Thunderbird 2.0.0.21 (X11/20090310)
>MIME-Version: 1.0
>To: "Luis F. Rodriguez" <l.rodriguez at crya.unam.mx>
>CC: daip at nrao.edu
>Subject: Re: [daip] Problems with polarization calibration in AIPS 31DEC09
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>
>Luis F. Rodriguez wrote:
>> Dear Friends of AIPS: I am having problems doing the continuum polarization
>> calibration with AIPS 31DEC09.
>> I have no problems with an older version of AIPS (31DEC05).
>>
>> I can do the regular continuum calibration with no problem.
>> I run PCAL apparently OK, but when I try to use RLDIF to
>> see the Right - Left phase difference, I get
>> the following message:
>>
>> AURIGA> RLDIF1: Task RLDIF (release of 31DEC09) begins
>> AURIGA> RLDIF1: UVGET: Using flag table version 1 to edit data
>> AURIGA> RLDIF1: UNKNOWN POLARIZATION PARAMETERIZATION ='
>> AURIGA> RLDIF1: NO USABLE POLCAL INFORMATION AVAILABLE IN AN TABLE
>> AURIGA> RLDIF1: PERHAPS DOPOL SHOULD BE FALSE
>> AURIGA> RLDIF1: MATXUV: ERROR 10 DETERMINING UV-FILE PARAMETERS
>> AURIGA> RLDIF1: returns adverbs to AIPS
>> AURIGA> RLDIF1: Purports to die of UNNATURAL causes
>
>Oddly - this sounds very familiar but I can't any mention of it in the
>CHANGE.DOC files. The keyword POLTYPE is supposed to be written into
>the AN table by PCAL and then read by tasks trying to do DOPOL > 0.
>
>Try PRTAB on the AN file and send me the output. It is clear that the
>routine that reads the AN table needs to be more careful about bad
>values but you should not have a bad value...
>
>Eric Greisen
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