Diff for "NK2014_Oct08" - www.iram.es Main Wiki

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NIKA January 20th, 2014 / S2

Back to list of day to day logbook of observations

2014-10-08

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

Data Repository: Raw_X35

Values in brackets [] are not updated.

Scan	UT	Source	Command	Az	El	Pointing X, Y, Focus	Tau225	Comment
276	18h20	1749+096	Track off -200 -200	219	56	0,0,-1.8	0.6
277	18h26	1749+096	Track off -200 -200	219	56	0,0,-1.8	0.6	track source waiting to start observations
278	18h29	1749+096	@cross	219	56	0,0,-1.8	0.6	croix
279	18h33	mars	Track off -200 -200	214	19	0,0,-1.8	0.6	track mars
280	18h34	mars	@otfgeom	214	19	0,0,-1.8	0.6	otf mars
281	18h48	mars	@cross	217	18	0,0,-1.8	0.6	cross mars : 100" away: going back to 1749 to check
282	18h51	1749+096	Track off -200 -200	230	52	0,0,-1.8	0.6	go to 1749 to check if see source
283	18h53	1749+096	@cross	230	52	0,0,-1.8	0.6	code Nico plante: redo
284	18h58	1749+096	@cross	232	51	0,0,-1.8	0.6	source unseen: opacity ? + KIDs tuning unstable: go to brighter source
285	19:02	3c454	Track off -200 -200	106	46	0,0,-1.8	0.6
286	19:06	3c454	@cross	106	46	0,0,-1.8	0.6
287	19:08	3c454	@cross	106	46	0,0,-1.8	0.6	source at more than 50"
288	19:12	3c454	@otf3x3	109	49	0,0,-1.8	0.6	otf on 3c454: realize that source coordinates and coordinates tracked by telescope are different ?
289	19:15	3c454	Track off -200 -200	109	49	0,0,-1.8	0.6	otf on 3c454
290	19:18	3c454	@otf3x3	110	49	0,0,-1.8	0.6	checking again
291	19:19	3c454	@otf3x3	110	49	0,0,-1.8	0.6
292	19:23	3c454	@otf3x3	110	49	0,0,-1.8	0.6
293	19:29	3c454	@otf3x3	110	49	0,0,-1.8	0.6	set offset 0 0 /SYS Nasmyth
294	19:29	3c454	track	110	49	0,0,-1.8	0.6
295	19:29	3c454	@otf3x3	110	49	0,0,-1.8	0.6	M4 was not correctly in place !! That explains the large offsets..
296	19:42	3c454	@otf3x3	110	49	0,0,-1.8	0.6	New otf with correct M4 position, source seen !!
297	19:45	3c454	track	110	49	0,0,-1.8	0.6
298	19:46	3c454	track	110	49	0,0,-1.8	0.6	Bad : Operators in the beam...
299	19:46	3c454	track	110	49	0,0,-1.8	0.6	canceled
300	19:46	3c454	track	110	49	0,0,-1.8	0.6
301	19:52	3c454	@otf3x3	118	55	0,0,-1.8	0.65	offset 21.2 36.75 /sys nasmyth
302	19:57	3c454	track	119	56	0,0,-1.8	0.65
303	19:52	3c454	@cross	119	56	0,0,-1.8	0.65
304	20:03	3c454	@focusp	119	56	0,0,-1.8	0.65
305	20:06	3c454	@cross	122	57	0,0,-1.8	0.65	offset -7.2 -7.2 /sys/ nas
306	20:10	3c454	@cross	122	57	0,0,-1.8	0.65	offset 7.2 7.2 /sys/ nas
307	20:14	3c454	@otfgeom	125	59	0,0,-1.8	0.65

-  ⇤ ← Revision 1 as of 2014-10-08 17:46:23 → 
  Size: 1832
  Editor: NikaBolometer
  Comment:
+   ← Revision 19 as of 2014-10-08 20:15:42 → ⇥
  Size: 5544
  Editor: NikaBolometer
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 1:
-NIKA January 20th, 2014 / S1
+NIKA January 20th, 2014 / S2
 Line 5:
-== 2014-10-07 ==
+== 2014-10-08 ==
 Line 8:
-==== Following not updated ====
'' .Cryostat Temperature: 150mK (regulated, RMS ripple 0.03mK). 
 .Arrays status tonight:  128 pixels 2mm - 1Hz noise; 196 pixels 1mm 3-5Hz noise 
Modulation frequency: 8kHz 1mm, 5kHz 2mm
-Line 15:
+Line 11:
-Nasmyth offsets : 0, 0
+Nasmyth offsets : 21.2, 36.75
-Line 19:
+Line 15:
-Set Focus : -2.40 mm
+Set Focus : -1.8 mm
-Line 21:
+Line 17:
- .Quick description of the session: Test the Pako sequences and data flows.''
+ .Quick description of the session: measure polarization of quasars at various elevations and planets to test our system and calibrate
-Line 29:
+Line 26:
-||188-192   || 17h15  ||  Uranus    || Track  off -200 -200      ||  200   ||  55    ||   0,0,-2.4               ||   0.004    || Example||
||||||||||||||||||'''HWP not turning'''||
||||||||||||||||||'''Doubt about wether NIKA or GISMO pointing is selected ('GISMO' reading in Elvin comments - see bellow)'''||
||||||||||||||||||'''No measure/control of the temperature (MM3 disconected)'''||
||88  || 15h59 ||  Mars      || Track -200 -200           ||  177   ||  28.6  ||   [0,0,-2.4]             ||   0.393     || Track for tunning ||
||89  || 16h06 ||  Mars      || Track -200 -200 /tsub 180     ||  179   ||  28.7     ||   [0,0,-2.4]             ||   0.393     || Track for tunning ||
||90  || 16h14 ||  1655+077      || Track -200 -200 /tsub 180     ||  184   ||  60    ||   [0,0,-2.4]                ||   [0.393]     || Track for tunning (high El) ||
||91  || 16h18 ||  1655+077      || Track -200 -200 /tsub 180     ||  185   ||  60    ||   [0,0,-2.4]                ||   0.354     || Track for tunning (high El) ||
+||276       || 18h20  ||  1749+096  || Track  off -200 -200      ||  219   ||  56    ||   0,0,-1.8               ||   0.6      ||                          ||
||277       || 18h26  ||  1749+096  || Track  off -200 -200      ||  219   ||  56    ||   0,0,-1.8               ||   0.6      ||  track source waiting to start observations  ||
||278       || 18h29  ||  1749+096  || @cross      ||  219   ||  56    ||   0,0,-1.8               ||   0.6      ||  croix  ||
||279       || 18h33  ||  mars      || Track  off -200 -200      ||  214  ||  19    ||   0,0,-1.8               ||   0.6      ||  track mars  ||
||280       || 18h34  ||  mars      || @otfgeom      ||  214  ||  19    ||   0,0,-1.8               ||   0.6      ||  otf mars  ||
||281       || 18h48  ||  mars      || @cross      ||  217  ||  18    ||   0,0,-1.8               ||   0.6      ||  cross mars : 100" away: going back to 1749 to check ||
||282       || 18h51  ||  1749+096  || Track  off -200 -200      ||  230   ||  52    ||   0,0,-1.8               ||   0.6      ||  go to 1749 to check if see source  ||
||283       || 18h53  ||  1749+096  || @cross      ||  230   ||  52    ||   0,0,-1.8               ||   0.6      ||  code Nico plante: redo  ||
||284       || 18h58  ||  1749+096  || @cross      ||  232   ||  51    ||   0,0,-1.8               ||   0.6      ||  source unseen: opacity ? + KIDs tuning unstable: go to brighter source  ||
||285       || 19:02  ||  3c454  || Track  off -200 -200      ||  106   ||  46    ||   0,0,-1.8               ||   0.6      ||                          ||
||286       || 19:06  ||  3c454  || @cross      ||  106   ||  46    ||   0,0,-1.8               ||   0.6      ||                          ||
||287       || 19:08  ||  3c454  || @cross      ||  106   ||  46    ||   0,0,-1.8               ||   0.6      ||    source at more than 50"                      ||
||288       || 19:12  ||  3c454  ||@otf3x3       ||  109   ||  49    ||   0,0,-1.8               ||   0.6      ||    otf on 3c454: realize that source coordinates and coordinates tracked by telescope are different ?                    ||
||289       || 19:15  ||  3c454  || Track  off -200 -200       ||  109   ||  49    ||   0,0,-1.8               ||   0.6      ||    otf on 3c454                      ||
||290       || 19:18  ||  3c454  || @otf3x3      ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||    checking again                     ||
||291       || 19:19  ||  3c454  || @otf3x3      ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||                         ||
||292       || 19:23  ||  3c454  || @otf3x3      ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||                         ||
||293       || 19:29  ||  3c454  || @otf3x3      ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||  set offset 0 0 /SYS Nasmyth                ||
||294       || 19:29  ||  3c454  || track      ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||                  ||
||295       || 19:29  ||  3c454  || @otf3x3      ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||  M4 was not correctly in place !! That explains the large offsets.. ||
||296       || 19:42  ||  3c454  || @otf3x3      ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||  New otf with correct M4 position, source seen !!           ||
||297       || 19:45  ||  3c454  || track     ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||             ||
||298       || 19:46  ||  3c454  || track     ||  110   ||  49    ||   0,0,-1.8               ||   0.6      || Bad : Operators in the beam...            ||
||299       || 19:46  ||  3c454  || track     ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||canceled           ||
||300       || 19:46  ||  3c454  || track     ||  110   ||  49    ||   0,0,-1.8               ||   0.6      ||           ||
||301       || 19:52  ||  3c454  || @otf3x3     ||  118   ||  55    ||   0,0,-1.8               ||   0.65      || offset 21.2 36.75 /sys nasmyth          ||
||302       || 19:57  ||  3c454  || track     ||  119   ||  56    ||   0,0,-1.8               ||   0.65      ||           ||
||303       || 19:52  ||  3c454  || @cross     ||  119   ||  56    ||   0,0,-1.8               ||   0.65      ||          ||
||304       || 20:03  ||  3c454  || @focusp     ||  119   ||  56    ||   0,0,-1.8               ||   0.65      ||          ||
||305       || 20:06  ||  3c454  || @cross     ||  122   ||  57    ||   0,0,-1.8               ||   0.65      ||  offset -7.2 -7.2 /sys/ nas        ||
||306       || 20:10  ||  3c454  || @cross     ||  122   ||  57    ||   0,0,-1.8               ||   0.65      ||  offset 7.2 7.2 /sys/ nas        ||
||307       || 20:14  ||  3c454  || @otfgeom     ||  125   ||  59    ||   0,0,-1.8               ||   0.65      ||          ||