NIKA October 10th, 2014 / S4
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2014-10-10
Opacity is measured with the new taumeter at 225 GHz
Nasmyth offsets : 21.2, 36.75
Set pointing : 0, 0
Set Focus : -1.8 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_X35
Acquisition = 59,605 Hz
Observing account: t21
Values in brackets [] are not updated.
Scan |
UT |
Source |
Command |
Az |
El |
Pointing X, Y, Focus |
Tau225 |
Comment |
110-111 |
18h14 |
2200+420 (BLLac) |
Track off -200 -200 |
67 |
58 |
0,0,-1.8 |
0.7 |
Tuning |
112 |
18h18 |
2200+420 (BLLac) |
@cross |
67 |
58 |
0,0,-1.8 |
0.7 |
|
113 |
18h18 |
2200+420 (BLLac) |
@cross |
67 |
58 |
0,0,-1.8 |
0.7 |
|
114 |
18h |
2200+420 (BLLac) |
@cross or track ? |
67 |
58 |
0,0,-1.8 |
0.7 |
|
115 |
18h |
2200+420 (BLLac) |
track |
67 |
58 |
0,0,-1.8 |
0.7 |
|
116 |
18h28 |
2200+420 (BLLac) |
track |
67 |
58 |
0,0,-1.8 |
0.7 |
|
117 |
18h30 |
2200+420 (BLLac) |
@cross |
67 |
58 |
0,0,-1.8 |
0.7 |
Holes in the data |
118 |
18h34 |
2200+420 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.7 |
try to center on ref detector using updated pipeline |
119 |
18h37 |
2200+420 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.7 |
offset 42 31 /sys nasmyth |
120 |
18h40 |
2200+420 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.7 |
offset 21 5.8 /sys nasmyth |
121 |
18h42 |
2200+420 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.7 |
offset 0 5.8 /sys nasmyth |
122 |
18h46 |
2200+420 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
offset -19 5.8 /sys nasmyth - holes in the data |
123 |
18h48 |
2200+420 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
offset -19 5.8 /sys nasmyth - holes in the data |
124 |
18h50 |
2200+420 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
offset -19 5.8 /sys nasmyth OK well centered |
125 |
18h52 |
2200+420 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
set pointing -41.2 5.0 |
126 |
18h54 |
2200+420 (BLLac) |
@cross |
67 |
61 |
0,0,-1.8 |
0.8 |
set pointing 0 0 - holes in the data |
127 |
18h56 |
2200+420 (BLLac) |
@cross |
67 |
65 |
0,0,-1.8 |
0.8 |
set pointing 0 0 (in Alain data only 1 hole at 18h42m49s) |
128 |
18h58 |
2200+420 (BLLac) |
@cross |
67 |
65 |
0,0,-1.8 |
0.8 |
set pointing 41.2 0 |
129 |
19h00 |
2200+420 (BLLac) |
@cross |
67 |
65 |
0,0,-1.8 |
0.8 |
set pointing -41.2 0 |
130 |
19h10 |
2200+420 (BLLac) |
@cross |
67 |
65 |
0,0,-1.8 |
0.8 |
set pointing 0 0 source on ref det but offset w.r.t az-el offset 0 0 |
131 |
19h13 |
2200+420 (BLLac) |
@focusp |
67 |
65 |
0,0,-1.8 |
0.8 |
|
132 |
19h16 |
DIY-Tip |
@skydip_up |
67 |
45 |
0,0,-1.8 |
0.8 |
|
133 |
19h29 |
2200+420 (BLLac) |
track |
67 |
65 |
0,0,-1.8 |
0.7 |
|
134 |
19h30 |
2200+420 (BLLac) |
@focusp |
67 |
65 |
0,0,-1.8 |
0.7 |
- holes in data (MJD antenna) |
135 |
19h30 |
2200+420 (BLLac) |
@focusp |
67 |
65 |
0,0,-1.8 |
0.7 |
(pipeline say set focus -2.78) |
136 |
19h30 |
2200+420 (BLLac) |
@focusp |
67 |
65 |
0,0,-2.78 |
0.7 |
set focus -2.78 (pipeline say set focus -2.0) |
137-139 |
19h44 |
2200+420 (BLLac) |
@otf3x3 |
63 |
74 |
0,0,-2.78 |
0.7 |
HWP rotating: 2.48Hz 6pts independants - LOOK AT DATA ON X9 |
140-141 |
19h55 |
2200+420 (BLLac) |
@otf3x3 |
61 |
76 |
0,0,-2.78 |
0.7 |
cancelled at scan 142 : max azimuth reached |
143 |
20h09 |
2200+420 (BLLac) |
track |
416 |
79 |
0,0,-2.78 |
0.7 |
set topology high and track source while looking for imbfits. |
144-146 |
20h20 |
2200+420 (BLLac) |
@otf3x3 |
410 |
80 |
0,0,-2.78 |
0.7 |
HWP not rotating to check data |
147 |
20h33 |
2200+420 (BLLac) |
@otf3x3 |
400 |
82 |
0,0,-2.78 |
0.7 |
HWP rotating 6pts independants. only one coverage because reaching elevation limit |
148 |
20h39 |
NGC7538 |
track |
381 |
61 |
0,0,-2.78 |
0.6 |
HWP rotating 6pts independants. |
149-151 |
20h41 |
NGC7538 |
@otf5x5 |
382 |
61 |
0,0,-2.78 |
0.6 |
HWP rotating 6pts independants. HWP stopped during scan 151: ignore and use only 149 |
152 |
21h01 |
NGC7538 |
@otf5x5 |
377 |
63 |
0,0,-2.78 |
0.6 |
HWP rotating 8pts independants. HWP stopped : cancelled |
153-155 |
21h08 |
NGC7538 |
@otf3x3 |
375 |
63 |
0,0,-2.78 |
0.6 |
HWP rotating 8pts independants. |
156 |
21h20 |
3C84 |
track |
419 |
34 |
0,0,-2.78 |
0.6 |
go to 3C84 for a cross |
157 |
21h22 |
3C84 |
@cross |
419 |
34 |
0,0,-2.78 |
0.6 |
|
158 |
21h23 |
3C84 |
@otf3x3 |
420 |
34 |
0,0,-2.78 |
0.6 |
HWP rotating 8pts independants. cancelled because motor speed too high |
159 |
21h27 |
3C84 |
track |
420 |
34 |
0,0,-2.78 |
0.6 |
HWP rotating 8pts independants. see if motor currents come back |
160 |
21h28 |
3C84 |
track |
420 |
34 |
0,0,-2.78 |
0.6 |
HWP rotating 8pts independants. motor speed : cancelled. change source to avoid wind direction |
161 |
21h32 |
NGC7538 |
track |
370 |
64 |
0,0,-2.78 |
0.6 |
HWP rotating 8pts independants. Holes in data really annoying, they are due to missing antenna MJD data lacking: Antenna not recorded anymore except on MAC10 |
162 |
21h32 |
NGC7538 |
@otf3x3 |
375 |
63 |
0,0,-2.78 |
0.6 |
cancelled: andrea was creating a file |
163-165 |
21h33 |
NGC7538 |
@otf3x3 |
369 |
64 |
0,0,-2.78 |
0.5 |
HWP rotating 8pts independants. |
166-168 |
21h44 |
NGC7538 |
@otf3x3 |
366 |
65 |
0,0,-2.78 |
0.5 |
HWP rotating 8pts independants. |
169 |
21h54 |
2200+420 (BLLac) |
track |
299 |
77 |
0,0,-2.78 |
0.5 |
go on BLLac to do pointing focus |
170 |
21h57 |
2200+420 (BLLac) |
cross |
299 |
77 |
0,0,-2.78 |
0.5 |
|
171 |
21h59 |
2200+420 (BLLac) |
focus |
299 |
77 |
0,0,-2.4 |
0.5 |
set focus -2.4 |
172 |
22h08 |
2200+420 (BLLac) |
otfgeom_20 |
296 |
75 |
0,0,-2.4 |
0.45 |
otfgeometry with rotation of HWP |
173 |
22h32 |
DIY |
skydip_up |
310 |
20 |
0,0,-2.4 |
0.5 |
cancelled because bad azimuth in macro |
174 |
22h36 |
DIY |
skydip_up |
310 |
20 |
0,0,-2.4 |
0.5 |
with HWP rotating |
175 |
22h43 |
2200+420 (BLLac) |
track |
292 |
68 |
0,0,-2.4 |
0.5 |
go on BLLac to do OTF |
176-178 |
22h45 |
2200+420 (BLLac) |
@otf3x3 |
292 |
68 |
0,0,-2.4 |
0.55 |
HWP rotating OTF |
179-181 |
22h55 |
2200+420 (BLLac) |
@otf3x3 |
291 |
66 |
0,0,-2.4 |
0.55 |
HWP rotating OTF - issues with Fifo ? |
182 |
23h07 |
2200+420 (BLLac) |
otfgeom_20 |
296 |
64 |
0,0,-2.4 |
0.45 |
otfgeometry without rotation of HWP to try implement nasmyth offsets. some gaps in data, might be better on X35 |
183 |
23h30 |
NGC7538 |
track |
338 |
62 |
0,0,-2.4 |
0.6 |
HWP not rotating |
184 |
23h30 |
DIY |
skydip_up |
340 |
20 |
0,0,-2.4 |
0.6 |
skydip without HWP rotating |
185 |
23h39 |
NGC7538 |
track |
337 |
61 |
0,0,-2.4 |
0.6 |
go to NGC7538 |
186-188 |
23h40 |
NGC7538 |
@otf3x3 |
336 |
61 |
0,0,-2.4 |
0.6 |
otf map without polar to compare stokesI |
189-190 |
23h49 |
NGC7538 |
@otf3x3 |
334 |
60 |
0,0,-2.4 |
0.6 |
otf map with polar : HWP rotating at 1.86Hz ie 8 pts indep. Might lack data in 189 - look at data on X9 |
1-2 |
00h03 |
NGC7538 |
@otf3x3 |
332 |
59 |
0,0,-2.4 |
0.6 |
otf map with polar : HWP rotating at 1.86Hz ie 8 pts indep |
3 |
00h16 |
CasA |
track |
332 |
59 |
0,0,-2.4 |
0.6 |
|
4 |
00h19 |
2200+420 (BLLac) |
track |
303 |
57 |
0,0,-2.4 |
0.6 |
|
5 |
00h21 |
2200+420 (BLLac) |
@cross |
293 |
51 |
0,0,-2.4 |
0.6 |
|
6 |
00h22 |
2200+420 (BLLac) |
@focusp |
293 |
51 |
0,0,-2.4 |
0.6 |
|
7-8 |
00h29 |
2200+420 (BLLac) |
@otf3x3 |
293 |
49 |
0,0,-2.4 |
0.6 |
|
9 |
00h47 |
2200+420 (BLLac) |
@cross |
294 |
46 |
0,0,-2.4 |
0.6 |
|
10 |
00h51 |
2200+420 (BLLac) |
@otf3x3 |
293 |
48 |
0,0,-2.4 |
0.6 |
set pointing: 9.9 -21.6 |
11 |
00h51 |
2200+420 (BLLac) |
@otf3x3 |
293 |
48 |
0,0,-2.4 |
0.6 |
cancelled |
12 |
00h59 |
2200+420 (BLLac) |
@cross |
294 |
46 |
9.9,-21.6,-2.4 |
0.6 |
|
13 |
01h01 |
2200+420 (BLLac) |
@cross |
294 |
43 |
9.9,-21.6,-2.4 |
0.6 |
|
14 |
01h03 |
2200+420 (BLLac) |
@cross |
294 |
43 |
9.9,-21.6,-2.4 |
0.6 |
|
15-17 |
01h08 |
CasA |
@otf1x1_CasA |
321 |
54 |
9.9,-21.6,-2.4 |
0.6 |
otf map on the brightest part of Cass A at 23:23:15 +58:48:42.8. Different sizes in Ra and Dec to haveemission-free ends of scans. |
18 |
01h21 |
BLLac |
track |
297 |
40 |
12,-23,-2.4 |
0.6 |
set pointing 12 -23 from previous cross and will test the pointing on BLLac (check Nasmyth offsets are taken into account) |
19 |
01h23 |
BLLac |
cross |
297 |
40 |
12,-23,-2.4 |
0.6 |
test the pointing on BLLac (check Nasmyth offsets are taken into account) |
20 |
01h26 |
BLLac |
cross |
297 |
40 |
0,0,-2.4 |
0.6 |
set pointing 0 0 and test again the pointing on BLLac |
21 |
01h30 |
BLLac |
cross |
297 |
38 |
0,0,-2.4 |
0.6 |
redo because previous data has glitch |
22 |
01h34 |
BLLac |
cross |
298 |
38 |
0,0,-2.4 |
0.6 |
again -> set pointing 4.4 -2.9 |
23 |
01h36 |
BLLac |
cross |
298 |
38 |
4.4,-2.9,-2.4 |
0.6 |
|
24 |
01h37 |
BLLac |
focus |
298 |
38 |
4.4,-2.9,-2.4 |
0.6 |
set pointing -7 5. focus is crap |
25 |
01h39 |
BLLac |
cross |
298 |
38 |
-7,5,-2.4 |
0.6 |
|
26 |
01h41 |
BLLac |
focus |
298 |
37 |
-7,5,-2.4 |
0.6 |
|
27 |
01h45 |
CasA |
track |
319 |
50 |
-7,5,-2.4 |
0.6 |
go to Cass A to redo maps because gaps in data taken previously |
28-30 |
01h47 |
CasA |
@otf1x1_CasA |
320 |
50 |
-7,5,-2.4 |
0.6 |
otf map on the brightest part of Cass A at 23:23:15 +58:48:42.8. |
31 |
02h03 |
0355+508 |
track |
388 |
73 |
-7,5,-2.4 |
0.6 |
go do a pointing without polar |
32 |
02h05 |
0355+508 |
cross |
388 |
73 |
7,3,-2.4 |
0.6 |
|
33 |
02h09 |
0355+508 |
focus |
388 |
73 |
7,3,-2.4 |
0.6 |
cancelled: wind |
34-35 |
02h12 |
0355+508 |
focus |
388 |
73 |
7,3,-2.4 |
0.6 |
cancelled: wind. change source |
38-39 |
02h19 |
CRL618 |
@otf3x3 |
446 |
73 |
7,3,-2.4 |
0.6 |
flux calibrator without polar |
40 |
02h29 |
CRL618 |
focus |
446 |
73 |
7,3,-2.4 |
0.6 |
set focus -2 |
41 |
02h32 |
BLLac |
track |
302 |
28 |
7,3,-2 |
0.6 |
|
42 |
02h33 |
BLLac |
cross |
303 |
28 |
7,3,-2 |
0.6 |
set pointing -10 -1 |
43-44 |
02h38 |
BLLac |
@otf3x3 |
303 |
28 |
7,3,-2 |
0.6 |
otf map with polar at low elevation |
45 |
02h48 |
BLLac |
cross |
304 |
26 |
-10,-1,-2 |
0.6 |
pointing without polar |
46 |
02h49 |
BLLac |
diyup |
304 |
26 |
-10,-1,-2 |
0.6 |
|