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Deletions are marked like this. Additions are marked like this.
Line 66: Line 66:
|| 18 || 02h56 || Uranus || nkpoint b || 256 || 30 || -4.2 -8.9 -0.45 0.01 -0.43 || 0.24 || set pointing -0.3 -9.8 ||
|| 19 || 03h00 || 3C84 || track || 290 || 67 || -4.2 -8.9 -0.45 0.01 -0.43 || 0.26 || on the way to secondary calibrators ||
|| 20 || 03h00 || 3C84 || nkpoint b || 290 || 67 || -4.2 -8.9 -0.45 0.01 -0.43 || 0.26 || set pointing -3.4 -8.0 ||
|| 21 - 25 || 03h02 || 3C84 || focusotf-Z || 290 || 67 || -3.4 -8.0 -0.45 0.01 -0.43 || 0.1 || data files are absent : Elvin does not work anymore ||
|| 21 - 25 || || || || || || || || Appears to be related to Tel. Op. restarting several processes, including Elvin, after scan 20. ||
|| 21 - 25 || || || || || || || || (This was to resolve an issue with the Telescope Alarm webpage) ||
|| 21 - 25 || || || || || || || || restarting nika2 soft was not enough --> hard reboot necessary (Juan, whow we woke up, and Xavier) ||
|| 26 || 04h09 || 3C84 || track || 291 || 54 || || || The system works again. We do multiple tunings. ||
|| || || || || || || || || Juan has made sure that the disk was not full, but we have to reboot Mac12. ||
|| 27 || 04h25 || 3C84 || track || 292 || 51 || -3.4 -8.0 -0.45 0.01 -0.43 || 0.2 || more tunings ||
|| 28 || 04h26 || 3C84 || nkpoint b || 292 || 51 || -3.4 -8.0 -0.45 0.01 -0.43 || 0.2 || no info for 2mm array -- Array 1: set pointing -7.1 -1.2 ||
|| 29 || 04h30 || 3C84 || nkpoint b || 292 || 51 || -7.0 -1.0 -0.45 0.01 -0.43 || 0.2 || no info for 2mm array -- Array 1: set pointing -7.5 -1.7 ||
|| || || || || || || || || soft reboot again (Archeops 8 + Mac12). Array 2 is very noisy. We tried reducing the input power but it didn't help. ||
|| || || || || || || || || We have only a bit more than one hour left and we are reluctant to wake up Martino on Saturday early morning: we let next program start earlier than planned. ||

NIKA2 run 6 28 October 2016

Back to list of day to day logbook of observations

2016-10-28

  • Quick description of the session: first dark tests then beammaps

Observers: Juan + Florian -- Operator: Quique

Scan

UT

Source

Command

Az

El

Pointing X, Y, Focus

Tau225

Comment

199

16h20

G34.3

Track

179.8

19.2

0 0 0 0 0

0.3

We start a new session (Juan, Florian, operator: Quique). We decide to start by some dark tests

200

16h30

G34.3

nkpoint b

179.8

19.2

0 0 0 0 0

0.3

Dark test pointing

201

16h40

G34.3

beammap1scan

179.8

19.2

0 0 0 0 0

0.3

Dark test beammap

202

17h20

Neptune

track

129.56

29.16

0 0 0 0 0

0.3

Window open going on Neptune to start the pointing/focus/beammap session

203

17h35

Neptune

pointing b

129.56

29.16

0 0 0 0 0

0.3

First a pointing --> set pointing 1.4 -16.9 (really weird profiles, the reference pixels seems too far away from the center...)

204

17h40

Neptune

pointing b

129.56

29.16

1.4 -16.9 0 0 0

0.3

Check the pointing --> set pointing -1.4 -16.8

205-209

17h45

Neptune

focusOTF-Z 0

131

30

-1.4 -16.8 0 0 0

0.3

Now a focus along the Z-axis direction --> set focus -0.48

210-214

17h54

Neptune

focusOTF-X 0

133

31

-1.4 -16.8 0 0 -0.48

0.3

Now a focus along the X-axis direction --> set focus -0.33 /dir X

215-219

18h01

Neptune

focusOTF-Y 0

135

33

-1.4 -16.8 -0.33 0 -0.48

0.3

Now a focus along the Y-axis direction --> set focus 0.05 /dir Y

220

18h08

Neptune

pointing b

136.9

33.6

-1.4 -16.8 -0.33 0.05 -0.48

0.4

Final pointing before the beammap --> set pointing -4.1 -13.7

221-225

18h14

Neptune

focusOTF-Z -0.48

138

34

-4.1 -13.7 -0.33 0.05 -0.48

0.3

The pointing correction is large because the focus is still not good (elliptical beams) so we do a focus session again --> focus along the Z-axis direction --> set focus -0.5

226-230

18h22

Neptune

focusOTF-X -0.33

140

35

-4.1 -13.7 -0.33 0.05 -0.5

0.3

Focus along the X-axis direction --> set focus -0.32 /dir X

231

18h31

Neptune

pointing b

142

36

-4.1 -13.7 -0.32 0.05 -0.5

0.2

Pointing to check if the beams are better after a mirror checking --> set pointing 3.2 -16.5 (the beams are indeed much more symetric)

232-236

18h35

Neptune

focusOTF-Y -0.05

144

37

3.2 -16.5 -0.32 0.05 -0.5

0.2

Focus along the Y-axis direction --> set focus 0.27 /dir Y

237

18h42

Neptune

pointing b

145.6

37.7

3.2 -16.5 -0.32 0.27 -0.5

0.2

Final pointing before the beammap --> set pointing -2.1 -14.2

238

18h48

Neptune

pointing b

147

38

-2.1 -14.2 -0.32 0.27 -0.5

0.2

Check the pointing before the beammap --> set pointing -2.5 -12.3

239

18h48

Neptune

beammap1scan99sub azimuth

148

39

-2.5 -12.3 -0.32 0.27 -0.5

0.2

We launch the beammap but we are not really happy with the beam shape...

240

19h17

Neptune

beammap1scan99sub elevation

156

41

-2.5 -12.3 -0.32 0.27 -0.5

0.23

orthogonal beammap

241

19h40

Uranus

track

108

36

-2.5 -12.3 -0.32 0.27 -0.5

0.23

We now go on Uranus as it is high enough in the sky

242

19h45

Uranus

Skydip

108

36

-2.5 -12.3 -0.32 0.27 -0.5

0.23

First skydip of the session and first of this run at relatively low opacity

243

19h52

Uranus

track

111

38

-2.5 -12.3 -0.32 0.27 -0.5

0.23

track back on Uranus

244

19h54

Uranus

pointing b

111

38

-2.5 -12.3 -0.32 0.27 -0.5

0.23

First a pointing --> set pointing 0.2 -11.4

245-249

19h57

Uranus

focusOTF-Z -0.5

112

38

0.2 -11.4 -0.32 0.27 -0.5

0.2

Now a focus along the Z-axis direction --> set focus -0.43

250-254

20h06

Uranus

focusOTF-X -0.32

114

40

0.2 -11.4 -0.32 0.27 -0.43

0.2

Now a focus along the X-axis direction --> set focus -0.44 /dir X

255-259

20h13

Uranus

focusOTF-Y 0.27

115

41.5

0.2 -11.4 -0.44 0.27 -0.43

0.2

Now a focus along the Y-axis direction --> set focus 0.18 /dir Y

260

20h20

Uranus

pointing b

117.2

42.7

0.2 -11.4 -0.44 0.18 -0.43

0.2

Final pointing before the beammap --> set pointing -2.9 -9.2

261

20h24

Uranus

beammap1scan99sub azimuth

118

43.3

-2.9 -9.2 -0.44 0.18 -0.43

0.2

First beammap at optimal focus on Uranus for this session

262

20h44

Uranus

beammap1scan99sub elevation

118

43.3

-2.9 -9.2 -0.44 0.18 -0.43

0.2

orthogonal beammap

263

21h10

Uranus

pointing b

130.62

50.91

-2.9 -9.2 -0.44 0.18 -0.43

0.11

Check the pointing before a defocused beammap --> set pointing -2.8 -10.4

264

21h18

Uranus

beammap1scan99sub azimuth

134.40

52.51

-2.8 -10.4 -0.44 0.18 -0.93

0.11

Defocused beammap as the weather is really good (nominal z focus -0.5) scan cancelled because of a mistake in the defocus input

265

21h20

Uranus

beammap1scan99sub azimuth

143.80

55.98

-2.8 -10.4 -0.44 0.18 -0.93

0.11

Defocused beammap as the weather is really good (nominal z focus -0.5)

266

21h47

Uranus

beammap1scan99sub azimuth

144.27

56.02

-2.8 -10.4 -0.44 0.18 -1.93

0.11

Defocused beammap (nominal z focus -1) scan cancelled because of a mistake in the defocus input -1.93 instead of -1.43

267

21h49

Uranus

beammap1scan99sub azimuth

154.41

58.56

-2.8 -10.4 -0.44 0.18 -1.43

0.11

Defocused beammap (nominal z focus -1)

268

22h13

Uranus

beammap1scan99sub azimuth

154.80

58.59

-2.8 -10.4 -0.44 0.18 0.07

0.11

Defocused beammap (nominal z focus +0.5)

269

22h38

Uranus

beammap1scan99sub azimuth

178.54

60.89

-2.8 -10.4 -0.44 0.18 0.57

0.11

Defocused beammap (nominal z focus +1)

270

23h03

Uranus

Skydip

178.23

21.42

-2.8 -10.4 -0.44 0.18 0.57

0.03

Skydip at very low opacity

271

23h12

0113-118

track

184.42

41.30

-2.8 -10.4 -0.44 0.18 0.57

0.03

track on a source at an elevation close to 40 degree to do a skydip slew

272

23h18

0113-118

Skydip slew

190.27

30.88

-2.8 -10.4 -0.44 0.18 -0.43

0.03

Skydip slew at very low opacity

273

23h37

Uranus

pointing b

195.94

59.90

-2.8 -10.4 -0.44 0.18 -0.43

0.03

We want to do beammaps at different X-focii on Uranus so we start by a pointing --> set pointing -5.6 -10.1

274-278

23h42

Uranus

focusOTF-Z -0.43

199.11

59.50

-5.60 -10.10 -0.44 0.18 -0.43

0.17

Now a focus along the Z-axis direction --> set focus -0.43

279-283

23h51

Uranus

focusOTF-X -0.44

202.80

58.90

-5.60 -10.10 -0.44 0.18 -0.43

0.12

Focus along the X-axis direction --> set focus -0.45 /dir X

1-5

00h00

Uranus

focusOTF-Y 0.18

207.13

58.11

-5.60 -10.10 -0.45 0.18 -0.43

0.27

Focus along the Y-axis direction --> set focus 0.01 /dir Y

Observers are now Charles, Xavier & Helene

6

00h10

Uranus

beammap1scan (140 subsscans)

211

57

-5.60 -10.10 -0.45 0.01 -0.43

0.18

finer beammap

7

00h44

Ceres

track

205

49

-5.60 -10.10 -0.45 0.01 -0.43

0.14

another asteroid !

8

00h46

Ceres

nkpoint b

205

49

-5.60 -10.10 -0.45 0.01 -0.43

0.14

set pointing -3.1 -8.4

9 - 10

00h48

Ceres

nkotf square 5

206

48

-3.1 -8.4 -0.45 0.01 -0.43

0.14

small map

11

00h53

Uranus

track

227

52

-3.1 -8.4 -0.45 0.01 -0.43

0.13

12

00h55

Uranus

nkpoint b

227

52

-3.1 -8.4 -0.45 0.01 -0.43

0.13

set pointing -4.2 -8.9

13

00h58

Uranus

beammap99subs azimuth

228

51

-4.2 -8.9 -1.25 0.01 -0.43

0.12

defocused beammap at optimal x focus - 0.8

14

01h22

Uranus

beammap99subs azimuth

235

47

-4.2 -8.9 0.35 0.01 -0.43

0.10

defocused beammap at optimal x focus + 0.8

15

01h45

Uranus

beammap99subs azimuth

241

43

-4.2 -8.9 -0.45 -0.79 -0.43

0.2

defocused beammap at optimal y focus - 0.8

16

02h09

Uranus

beammap99subs azimuth

247

39

-4.2 -8.9 -0.45 0.81 -0.43

0.19

defocused beammap at optimal y focus + 0.8

17

02h32

Uranus

beammap99subs azimuth

251

35

-4.2 -8.9 -0.45 0.01 -0.43

0.17

beammap at optimal foci again

18

02h56

Uranus

nkpoint b

256

30

-4.2 -8.9 -0.45 0.01 -0.43

0.24

set pointing -0.3 -9.8

19

03h00

3C84

track

290

67

-4.2 -8.9 -0.45 0.01 -0.43

0.26

on the way to secondary calibrators

20

03h00

3C84

nkpoint b

290

67

-4.2 -8.9 -0.45 0.01 -0.43

0.26

set pointing -3.4 -8.0

21 - 25

03h02

3C84

focusotf-Z

290

67

-3.4 -8.0 -0.45 0.01 -0.43

0.1

data files are absent : Elvin does not work anymore

21 - 25

Appears to be related to Tel. Op. restarting several processes, including Elvin, after scan 20.

21 - 25

(This was to resolve an issue with the Telescope Alarm webpage)

21 - 25

restarting nika2 soft was not enough --> hard reboot necessary (Juan, whow we woke up, and Xavier)

26

04h09

3C84

track

291

54

The system works again. We do multiple tunings.

Juan has made sure that the disk was not full, but we have to reboot Mac12.

27

04h25

3C84

track

292

51

-3.4 -8.0 -0.45 0.01 -0.43

0.2

more tunings

28

04h26

3C84

nkpoint b

292

51

-3.4 -8.0 -0.45 0.01 -0.43

0.2

no info for 2mm array -- Array 1: set pointing -7.1 -1.2

29

04h30

3C84

nkpoint b

292

51

-7.0 -1.0 -0.45 0.01 -0.43

0.2

no info for 2mm array -- Array 1: set pointing -7.5 -1.7

soft reboot again (Archeops 8 + Mac12). Array 2 is very noisy. We tried reducing the input power but it didn't help.

We have only a bit more than one hour left and we are reluctant to wake up Martino on Saturday early morning: we let next program start earlier than planned.

NK2run6_20161028 (last edited 2016-10-29 15:58:42 by NikaBolometer)