Diff for "NK2014_Oct12" - www.iram.es Main Wiki

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NIKA October 10th, 2014 / S4

Back to list of day to day logbook of observations

2014-10-10

Opacity is measured with the new taumeter at 225 GHz

Nasmyth offsets : -19, 5.8

Set pointing : 0, 0

Set Focus : -2.4 mm

Quick description of the session: measure polarization of quasars at various elevations and planets to test our system and calibrate

Polarizer on, HWP on but not turning at session start

Data Repository: Raw_X9

Acquisition = 39.7 Hz

Observing account: t21

Remark after few scans: TAPAS is working now, we see the scans, but we continue the manual log just in case.

Scan	UT	Source	Command	Az	El	Pointing X, Y, Focus	Tau225	Comment
1-3	00h46	Uranus	Track off -200 -200	208	54	0,0,-2.4	0.2	Tuning. We started a bit late, the time that ice melts and sky clears !
4	00h50	Uranus	cross	208	54	0,0,-2.4	0.2
5	00h56	Uranus	cross	213	53	0,0,-2.4	0.1	Problem processing the scan
6	01h00	Uranus	cross	213	53	0,0,-2.4	0.1
7	01h03	Uranus	cross	213	53	-2.5,6.4,-2.4	0.1	set pointing -2.5 6.4
8	01h08	Uranus	focusp	213	53	-2.5,6.4,-2.4	0.1
9	01h03	Uranus	cross	213	53	-2.5,6.4,-2.0	0.1	set focus -2.0
10	01h08	Uranus	focusp	213	53	3.5,-3.8,-2.0	0.1	Jumps in data, bad for processing
11	01h17	Uranus	focusp	220	51	3.5,-3.8,-2.0	0.1
12	01h25	Uranus	otfgeom_25	220	49	3.5,-3.8,-2.0	0.1	surely defocussed, but useful to debug holes with dataprocessing
13	01h38	Uranus	focusp	225	48	3.5,-3.8,-2.0	0.1
14-18	01h45	Uranus	focusliss	225	48	3.5,-3.8,-2.0	0.1
19-23	01h52	Uranus	focusliss	230	48	3.5,-3.8,-1.4	0.1
24-28	01h55	Uranus	focusliss	230	48	3.5,-3.8,-0.6	0.1	we were visibly completely out of focus in preceeding scans
29	02h10	Uranus	cross	235	41	3.5,-3.8,-0.6	0.2
30	02h20	Uranus	cross	235	41	-2.3,6.2,-0.6	0.2
31	02h25	Uranus	focusp	240	38	-2.3,6.2,-0.6	0.2	say focus -0.77
32	02h28	Uranus	otfgeom_25	240	38	-2.3,6.2,-0.6	0.2
33	02h49	Uranus	otf3x3	240	38	-2.3,6.2,-0.6	0.2	HWP in reference position
34	02h54	Uranus	otf3x3	240	38	-2.3,6.2,-0.6	0.2	HWP in reference position
35	03h01	Uranus	otf3x3	240	38	-2.3,6.2,-0.6	0.2	HWP + 7 steps anti-clockwise (facing cryostat)
36	03h07	Uranus	otf3x3	240	38	-2.3,6.2,-0.6	0.2	HWP + 7 steps anti-clockwise (facing cryostat)

-  ⇤ ← Revision 2 as of 2014-10-13 00:53:56 → 
  Size: 1071
  Editor: NikaBolometer
  Comment:
+   ← Revision 7 as of 2014-10-13 03:09:42 → ⇥
  Size: 4490
  Editor: NikaBolometer
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 25:
-Acquisition = 39 Hz
+Acquisition = 39.7 Hz
 Line 29:
-Values in brackets [] are not updated.
+Remark after few scans: [[https://tapas.iram.es/tapas/ | TAPAS]] is working now, we see the scans, but we continue the manual log just in case.
 Line 32:
-||   1-3    || 00h46  ||    Uranus       ||  Track  off -200 -200     ||  208   ||  54    ||   0,0,-2.4               ||   0.5      ||  Tuning                  ||
||    4     || 00h46  ||    Uranus       ||  Cross                    ||  208   ||  54    ||   0,0,-2.4               ||   0.5      ||                    ||
+||   1-3    || 00h46  ||    Uranus       ||  Track  off -200 -200     ||  208   ||  54    ||   0,0,-2.4               ||   0.2      || Tuning. We started a bit late, the time that ice melts and sky clears ! ||
||    4     || 00h50  ||    Uranus       ||  cross                    ||  208   ||  54    ||   0,0,-2.4               ||   0.2      ||                    ||
||    5     || 00h56  ||    Uranus       ||  cross                    ||  213   ||  53    ||   0,0,-2.4               ||   0.1      || Problem processing the scan     ||
||    6     || 01h00  ||    Uranus       ||  cross                    ||  213   ||  53    ||   0,0,-2.4               ||   0.1      ||                    ||
||    7     || 01h03  ||    Uranus       ||  cross                    ||  213   ||  53    || -2.5,6.4,-2.4            ||   0.1      || set pointing -2.5 6.4      ||
||    8     || 01h08  ||    Uranus       ||  focusp                   ||  213   ||  53    || -2.5,6.4,-2.4            ||   0.1      ||       ||
||    9     || 01h03  ||    Uranus       ||  cross                    ||  213   ||  53    || -2.5,6.4,-2.0            ||   0.1      || set focus -2.0      ||
||   10     || 01h08  ||    Uranus       ||  focusp                   ||  213   ||  53    ||  3.5,-3.8,-2.0           ||   0.1      || Jumps in data, bad for processing      ||
||   11     || 01h17  ||    Uranus       ||  focusp                   ||  220   ||  51    ||  3.5,-3.8,-2.0           ||   0.1      ||       ||
||   12     || 01h25  ||    Uranus       ||  otfgeom_25               ||  220   ||  49    ||  3.5,-3.8,-2.0           ||   0.1      || surely defocussed, but useful to debug holes with dataprocessing||
||   13     || 01h38  ||    Uranus       ||  focusp                   ||  225   ||  48    ||  3.5,-3.8,-2.0           ||   0.1      ||       ||
|| 14-18    || 01h45  ||    Uranus       ||  focusliss                ||  225   ||  48    ||  3.5,-3.8,-2.0           ||   0.1      ||       ||
|| 19-23    || 01h52  ||    Uranus       ||  focusliss                ||  230   ||  48    ||  3.5,-3.8,-1.4           ||   0.1      ||       ||
|| 24-28    || 01h55  ||    Uranus       ||  focusliss                ||  230   ||  48    ||  3.5,-3.8,-0.6           ||   0.1      || we were visibly completely out of focus in preceeding scans      ||
||   29     || 02h10  ||    Uranus       ||  cross                    ||  235   ||  41    ||  3.5,-3.8,-0.6           ||   0.2      ||       ||
||   30     || 02h20  ||    Uranus       ||  cross                    ||  235   ||  41    || -2.3,6.2,-0.6            ||   0.2      ||       ||
||   31     || 02h25  ||    Uranus       ||  focusp                   ||  240   ||  38    || -2.3,6.2,-0.6            ||   0.2      || say focus -0.77    ||
||   32     || 02h28  ||    Uranus       ||  otfgeom_25               ||  240   ||  38    || -2.3,6.2,-0.6            ||   0.2      ||     ||
||   33     || 02h49  ||    Uranus       ||  otf3x3                   ||  240   ||  38    || -2.3,6.2,-0.6            ||   0.2      || HWP in reference position    ||
||   34     || 02h54  ||    Uranus       ||  otf3x3                   ||  240   ||  38    || -2.3,6.2,-0.6            ||   0.2      || HWP in reference position    ||
||   35     || 03h01  ||    Uranus       ||  otf3x3                   ||  240   ||  38    || -2.3,6.2,-0.6            ||   0.2      || HWP + 7 steps anti-clockwise (facing cryostat)  ||
||   36     || 03h07  ||    Uranus       ||  otf3x3                   ||  240   ||  38    || -2.3,6.2,-0.6            ||   0.2      || HWP + 7 steps anti-clockwise (facing cryostat)  ||