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Size: 3992
Comment:
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Size: 4990
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 40: | Line 40: |
| || 31 || 03h15 || 3C84 || nkpoint f || 290 || 69 || 5.9, 0.7, -0.35 || 0.61 || set pointing || |
|| 31 || 03h15 || 3C84 || nkpoint f || 290 || 69 || 5.9, 0.7, -0.35 || 0.61 || auto_nk_rta cannot reduce the pointing. neglect corrections. try point liss. || || 32 || 03h20 || 3C84 || nkpoint l || 290 || 68 || 5.9, 0.7, -0.35 || 0.96 || set pointing 5.0 1.2. FWHM 12 and 18" will try to focus...|| || 33 || 03h26 || 3C84 || focustrack z || 289 || 67 || 5.0, 1.2, -0.35 || 0.43 || tau very unstable... set focus -0.04 set nsubscans to 10|| || 34 || 03h30 || 3C84 || focustrack z || 289 || 67 || 5.0, 1.2, -0.04 || 0.43 || tau very unstable... do not help having a good fit without opacity correction set focus 0.00 set subscan to 12 || || 35 || 03h38 || 3C84 || focustrack x || 289 || 64 || 5.0, 1.2, -0.00 || 0.43 || set focus -0.77 /dir X opacity variation not helping || || 36 || 03h45 || 3C84 || focustrack y || 289 || 64 || 5.0, 1.2, -0.00 || 0.43 ||good fit. set focus 0.13 /dir Y small move since last time || |
Describe NK2015_Oct22 here.
NIKA October 23, 2015 / S8
Back to list of day to day logbook of observations
2015-10-23
Following not updated
TAPAS is working properly
Data Repository: /home/nika2/NIKA/Data/run13_X/scan24_X
Goal of the session:
- OTF geometry and beam map on Uranus
- check pointing on faint sources (pako pointing f and pointing l)
Scan |
UT |
Source |
Command |
Az |
El |
Pointing X, Y, Focus |
Tau225 |
Comment |
12 |
|
Uranus |
track |
|
|
0 0 0 |
0.39 |
We are not as good as Martino. took us 25 minutes to get the resonances... |
13 |
01h37 |
Uranus |
skydip_DIY |
|
|
0 0 0 |
|
resonances well peaked after the skydip. auto_nika_rta tries to reduce skydip and fails. |
14 |
01h40 |
Uranus |
track |
236 |
44 |
0 0 0 |
|
|
15 |
01h40 |
Uranus |
nkpoint b |
236 |
44 |
0 0 0 |
0.46 |
good fit. set pointing 0.3 0.8. FWHM = 14"@1mm, 19"@2mm |
16 |
01h42 |
Uranus |
focustrack z |
237 |
44 |
0.3, 0.8 , 0. |
0.46 |
not a great fit. set focus -0.42 and do it again. |
17 |
01h48 |
Uranus |
focustrack z |
237 |
44 |
0.3, 0.8 , -0. 42 |
0.45 |
better fit. set focus -0.35 |
18 |
01h50 |
Uranus |
focustrack x |
239 |
43 |
0.3, 0.8 , -0.35 |
0.46 |
good fit. set focus -0.32 /dir X . large change, do it again to check |
19 |
01h56 |
Uranus |
focustrack x |
239 |
42 |
0.3, 0.8 , -0.35 |
0.46 |
good fit. set focus /dir X -0.83 Large change !!! try Y and set nsubscan to 9 from scan 21 onward |
20 |
02h03 |
Uranus |
focustrack y |
241 |
41 |
0.3, 0.8 , -0.35 |
0.46 |
good fit. set focus 0.29 /dir Y. large change, do it again to check |
21 |
02h04 |
Uranus |
focustrack y |
242 |
40 |
0.3, 0.8 , -0.35 |
0.46 |
not a good fit, no solution @ 2mm. Do a pointing to check beam shape |
22 |
02h10 |
Uranus |
nkpoint b |
243 |
40 |
0.3, 0.8 , -0.35 |
0.46 |
set pointing -0.5 1, beam is 13" - 18" and looks more circular |
23 |
02h10 |
Uranus |
beammap |
243 |
39 |
0.3, 0.8 , -0.35 |
0.46 |
Scan cancelled, forgot to update pointing before lauching |
24-26 |
02h15 |
Uranus |
beammap |
244 |
36 |
-0.5, 1.0, -0.35 |
0.2-0.79 |
resonances fine at the start of first, second and third scan. tau 225 unstable during map |
27 |
02h |
Uranus |
nkpoint b |
252 |
20 |
0.3, 0.8 , -0.35 |
0.46 |
check pointing after beammap. set pointing -0.6 -0.3 . beam looks larger. 13" and 20" |
28 |
03h01 |
Uranus |
skydip_DIY |
252 |
|
-0.6, -0.3, -0.35 |
0.44 |
resonances well peaked after the skydip. auto_nika_rta tries to reduce skydip and fails. Uranus getting low, will check focus on 3C84 |
29 |
03h08 |
3C84 |
track |
290 |
70 |
-0.6, -0.3, -0.35 |
0.41 |
|
30 |
03h11 |
3C84 |
nkpoint b |
290 |
70 |
-0.6, -0.3, -0.35 |
0.41 |
set pointing 5.9, 0.7. does not look too good, will try point faint |
31 |
03h15 |
3C84 |
nkpoint f |
290 |
69 |
5.9, 0.7, -0.35 |
0.61 |
auto_nk_rta cannot reduce the pointing. neglect corrections. try point liss. |
32 |
03h20 |
3C84 |
nkpoint l |
290 |
68 |
5.9, 0.7, -0.35 |
0.96 |
set pointing 5.0 1.2. FWHM 12 and 18" will try to focus... |
33 |
03h26 |
3C84 |
focustrack z |
289 |
67 |
5.0, 1.2, -0.35 |
0.43 |
tau very unstable... set focus -0.04 set nsubscans to 10 |
34 |
03h30 |
3C84 |
focustrack z |
289 |
67 |
5.0, 1.2, -0.04 |
0.43 |
tau very unstable... do not help having a good fit without opacity correction set focus 0.00 set subscan to 12 |
35 |
03h38 |
3C84 |
focustrack x |
289 |
64 |
5.0, 1.2, -0.00 |
0.43 |
set focus -0.77 /dir X opacity variation not helping |
36 |
03h45 |
3C84 |
focustrack y |
289 |
64 |
5.0, 1.2, -0.00 |
0.43 |
good fit. set focus 0.13 /dir Y small move since last time |