[daip] Missing scan in CL1? {External}

[Eric Greisen]

I loaded RV158, ran USUBA, and then INDXR.    With CPARM(3)=0.15 and CPARM(4)=1, INDXR made a CL table with 13127 rows including a great many for source 4 subarray 2 in the time range 17:38:10 to
17:43:34.   In PRTAB INEXT='CL',rparm 3 1 4 0.1  5 1 2 0.1;  should show a lot in rows  986 - 1532.

Cheers,



________________________________
From: Daip <daip-bounces at listmgr.nrao.edu> on behalf of Arnaud Collioud via Daip <daip at listmgr.nrao.edu>
Sent: Monday, May 12, 2025 11:24 AM
To: daip <daip at nrao.edu>
Subject: [daip] Missing scan in CL1? {External}


Hello Eric, Amy,

I am analysing the global VLBI session RV158 (VLBA + 8 IVS antennas ; 24h ; S/X-band ; available at NRAO data archive).

I'm looking at the source 0403-132 (#4 in my data), which is in the index as:

       4  0/17:40:52.0  00:05:24.0       4         2         9992     14396

(as you can see, I have subarrays in my dataset)

For this scan, there is data (checked with VPLOT).

However, this scan is NOT in CL1, which was created after loading the data (FITLD) by runnig INDXR. CL1 was (normally?) updated after running USUBA by running INDXR again.

How is that possible? Any clue why this scan is not in CL1?

Moreover, I am building SN1 from TY1/GC1, and I have gain amplitude values for this scan. Is there a way to get this into CL2 (with CLCAL)? Or since there is not row in CL1 for this scan, no hope to get it in CL2?

Thanks in advance for your help!

Best wishes,

Arnaud


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