Describe NK2013_Jun17 here.
Back to list of day to day logbook of observations
2013-06-17
- Cryostat Temperature: 220mK .
- Arrays status today: 192 pixels 1mm ; 128 pixels 2mm
- Modulation frequency: 8kHz 1mm, 4kHz 2mm
Opacity is measured with the new taumeter at 225 GHz
For start:
- Working with the new pointing model
- Nasmyth offset 28, 28 implemented in the pointing model
- offset 0 0 /system nasmyth
- Quick description of the session 12h30 to 8h30 UT
- Calibration: Pointing, focus, otfgeom.
- Secondary calibrators:
Scan |
UT |
Source |
Command |
Az |
El |
Pointing X, Y, Focus |
Tau225 |
Found (pointing + other) |
Comment |
1 |
12h43 |
Mars |
Track |
239 |
65 |
0, 0, -2.4 |
0.59 |
|
tuning the resonances |
2 |
13h02 |
Mars |
Track |
246 |
62 |
0, 0, -2.4 |
|
|
after some lost resonances are found again |
3 |
13h05 |
Mars |
pointliss |
247 |
61 |
0, 0, -1 |
|
-14, 0 Fw 14,19 Fl 84, 30 |
|
4 |
13h05 |
Mars |
|
247 |
61 |
0, 0, -1 |
|
|
canceled |
5-9 |
13h10 |
Mars |
focusliss |
249 |
60 |
-14, 0, -1 |
|
Opt -1. Corr -11,0 Fw 14,18 Fl49,21 |
|
10 |
13h21 |
Mars |
otfgeom |
251 |
58 |
-11, 0, -1 |
0.6 |
|
|
11 |
13h33 |
L1551IRS5 |
track |
251 |
52 |
-11, 0, -1 |
0.6 |
|
Secondary calibration |
12 |
13h36 |
L1551IRS5 |
faintliss1 |
251 |
51 |
-11, 0, -1 |
0.54 |
Fl0.34Jy |
1 arcmin amplitude to keep the point source in at all time |
13 |
13h42 |
L1551IRS5 |
faintliss1 |
253 |
50 |
-11, 0, -1 |
0.59 |
|
sky noise |
14 |
13h |
HLTAU |
track |
255 |
48 |
-11, 0, -1 |
0.52 |
|
|
15 |
13h49 |
HLTAU |
faintliss1 |
255 |
48 |
-11, 0, -1 |
|
|
|
16 |
13h55 |
HLTAU |
faintliss1 |
255 |
48 |
-11, 0, -1 |
0.62 |
|
some resonances lost at 1mm |
17 |
14h06 |
HLTAU |
faintliss1 |
255 |
48 |
-11, 0, -1 |
|
|
after recovering reso (new auto tune not working) |