NK2015_Oct23

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 redo a point liss to check beam shape.

37

03h52

3C84

nkpoint l

290

61

5.0, 1.2, -0.00

0.42

set pointing 3.7, 1.9. Beam does not look great or is it the source ?

38

03h55

3C84

nkotf radec

290

59

3.7, 1.9, -0.00

0.42

nkotf 6 6 0 0 10 36 radec FWHM 13", 19" urgh...

39

04:08

W3OH

track

324

49

3.7, 1.9, 0.00

0.49

40

04:09

W3OH

nkpoint b

324

49

3.7, 1.9, 0.00

0.47

set pointing 2.2 1.4

41

04:12

W3OH

nkotf azel

324

49

2.2, 1.4, 0.00

0.46

nkotf 6 6 0 0 10 36 azel

42

04:21

GL490

track

322

55

2.2, 1.4, 0.00

0.39

43

04:22

GL490

nkpoint l

322

54

2.2, 1.4, 0.00

0.39

set pointing 2.3 -0.5

44

04:28

GL490

nkotf azel

324

55

2.3, -0.5, 0.00

0.50

nkotf 6 6 0 0 10 36 azel . Moving to 0716+714 that according to Iram monitoring has a very flat spectrum (even if variable)

45

04:39

0716+714

track

366

55

2.3, -0.5, 0.00

0.58

46

04:39

0716+714

nkpoint l

366

55

2.3, -0.5, 0.00

0.43

set pointing 1.6 -1.1

47

04:28

0716+714

nkotf azel

366

1.6, -1.1, 0.00

0.45

nkotf 6 6 0 0 10 36 azel . Moving to 0420-014 that according to Iram monitoring has a very flat spectrum (even if variable)

48

04:58

0420-014

track

230

38

1.6, -1.1, 0.00

0.39

49

04:59

0420-014

nkpoint l

230

38

1.6, -1.1, 0.00

0.69

set pointing -1.9 -0.1

50

05:03

0420-014

nkotf azel

230

-1.9, -0.1, 0.00

0.38

nkotf 6 6 0 0 10 36 azel

51

05:14

0727-115

track

172

40

-1.9, -0.1, 0.00

0.43

52

05:15

0727-115

nkpoint l

172

40

-1.9, -0.1, 0.00

0.43

set pointing 0.2 0.2

53

05:21

0727-115

nkotf azel

172

40

0.2, 0.2, 0.00

0.43

nkotf 6 6 0 0 10 36 azel

54

05:32

0923+392

track

75

65

0.2, 0.2, 0.00

0.36

tau much more stable. even if poor

55

05:33

0923+392

nkpoint l

75

65

0.2, 0.2, 0.00

0.41

set pointing 1.0, 1.1 this source has a steep spectrum according to iram monitoring

56

05:40

0923+392

nkotf azel

76

69

1.0, 1.1, 0.00

0.41

nkotf 6 6 0 0 5 20 azel . Tau stable. then skydip, Next a retuning, we are down to 50% of the pixels on line B. Then focus session on Mars Back to nsample=6 on focustrack.

57

06:03

0923+392

skydip_DIY

76

1.0, 1.1 0.00

0.42

58

06:14

mars

track

114

38

1.0, 1.1, 0.00

0.45

retuning got back B

59

06:18

mars

point b

114

38

1.0, 1.1, 0.00

0.45

set pointing -0.7, -1.1

60

06:20

mars

focustrack z

115

38

-0.7, -1.1, 0.00

0.45

very good fit, -0.01, (-0.08 at 1mm, also a good fit). set focus -0.01

61

06:26

mars

focustrack x

115

38

-0.7, -1.1, -0.01

0.45

good fit at 2mm, no fit at 1mm, set focus -0.88 /dir X not too far from what we had. repeat to try to see a fit at 1mm

62

06:30

mars

focustrack x

117

40

-0.7, -1.1, -0.01

0.45

good fit again. set focus -0.53 /dir X, see a fit at 1mm at -2.35, but not great. repeat

63

06:34

mars

focustrack x

118

40

-0.7, -1.1, -0.01

0.45

good fit again. set focus -0.57 /dir X, see a fit at 1mm at -1.72, but not great. switch to y

64

06:38

mars

focustrack y

119

41

-0.7, -1.1, -0.01

0.45

good fit set focus -0.02 /dir Y, no fit at 1mm. repeat

65

06:42

mars

focustrack y

120

42

-0.7, -1.1, -0.01

0.44

not so good fit @ 2mm, set focus 0.56 /dir Y. poor fit at 1mm, 0.64

66

06:47

mars

focustrack y

121

43

-0.7, -1.1, -0.01

0.41

not so good fit @ 2mm, set focus 0.26 /dir Y. no fit at 1mm ercheck focus z to see impact of moving

67

06:51

mars

focustrack z

122

44

-0.7, -1.1, -0.01

0.41

good fit, set focus 0.03. no efect on z. now check beam size

68

06:55

mars

nkpoint b

123

44

-0.7, -1.1, 0.03

0.41

set pointing -0.3 -0.5 FWHM 1mm : 11x13.5" 2mm: 18.2 x 18.4" We think we are at our best focus. now we do focusliss on all three axes, but don't apply the results. just for comparison.

69

06:58

mars

focusliss z

124

45

-0.3, -0.5, -0.03

0.44

Data looks very poor no fit. Would be intersting to reprocess to see what comes out

70

07:05

mars

focusliss y

124

45

-0.3, -0.5, -0.03

0.44

No imbfits. not processd

71

07:11

mars

focusliss z

130

48

-0.3, -0.5, -0.03

0.44

Data looks very poor poor fit. Would be intersting to reprocess to see what

72-75

07:21

mars

beammap

131

49

-0.3, -0.5, -0.03

0.44

new obs. team

76

08:11

3c279

track

19 Jy, 2mm

77

08:14

3c279

pointing

130

34

out put: pointing -0.1 -0.7; not set in pako

78

08:18

3c279

nkotf azel

130

34

nkotf 6 6 0 0 5 20 azel

79

08:43

3c279

pointing

set pointing 0.1 -2.6

80

09:11

3c279

nkotf azel

0.1 -2.6 -0.03

source is seen by the 3 arrays

81

09:13

3c279

nkliss 6

144

41

rta gives strange results (try to analyse a focus)

82

09:41

3c279

focustrack z

144

41

bad result. we redo the pointing

83

9:50

3c279

nk point b

154

44

output: pointing 1.4 -0.8. not applied. we move away from the sun

84

9:54

1633+382

track

5 Jy

85

10:01

1633+382

pointing

63

35

nothing ?

86

10:10

1633+382

track

87

10:12

1633+382

pointing

66

38

lost kids (E nikel was down-....)

88

10:25

1633+382

pointing

68

40

We follow the resonance recovery procedure and relaunch pointing for testing

89

10:48

1633+382

pointing

68

40

90

11:07

1633+382

pointing

68

40

91

11:56

1633+382

pointing

68

40

pointing

92

11:58

1633+382

track

93

11:59

1633+382

pointing

resonances are there now. still nothing...

94

12:03

1633+382

pointing

resonances are there now. still nothing...

95

12:15

Mars

track

we decided to move on to Mars; realised that the telescope shutter was closed...we were not observing the sky.

96

12:18

Mars

pointing

set pointing -0.1 -1.3

97

12:21

Mars

focustrack

-0.1 -1.3

we loose the resonances : cancelled -> no antenna imbfits

98

12:22

Mars

track for tuning

-0.1 -1.3

track -200 -200

99

12:24

Mars

track for tuning

-0.1 -1.3

track -200 -200

100

12:25

Mars

track for tuning

-0.1 -1.3

track -200 -200

101

12:26

Mars

track for tuning

-0.1 -1.3

track -200 -200

102

12:27

Mars

nkpoint b

-0.1 -1.3

no raw data

103

12:30

Mars

nkpoint b

-0.1 -1.3

163

17.40

Saturn

track

0 0 0

back on the sky!

164

17.45

Saturn

nkpoint b

0 0 0

0.4?

IDL had issues with finding the pointing...

165

17.45

1757-240

track

0 0 0

nk_auto_rta was working on scans in the 80s (numbers, not years)

166

17.45

G34.3

track

0 0 0

so we tried nkrta, '

167

17.45

G34.3

track

0 0 0

After much time wasted, we had to work on recovering resonances

168

17.45

G34.3

track

0 0 0

169

17.45

G34.3

track

0 0 0

170

17.45

G34.3

track

0 0 0

171

17.45

G34.3

track

0 0 0

172

17.45

G34.3

track

0 0 0

173

19.30

Uranus

track

108

32

0 0 0

0.47

174

19.35

Uranus

nkpoint b

108

32

0 0 0

0.47

175

19.42

Uranus

nkpoint b

109

34

-0.9 -6.9 0

0.47

Resonances appear unstable; not centered at zero.

176

19.48

Uranus

focustrack z

110

35

-1.5 -5.6 0

0.47

results: 1: -0.29; 2: 0.29; 3: 0.01

177

19.54

Uranus

track

112

36

-1.5 -5.6 0.29

0.66

Just to be sure we were on Uranus.

178

19.35

Uranus

focustrack x

112

36

-1.5 -5.6 0.29

0.47

results: 1: -0.63; 2: -1.10; 3: -0.06

179

19.35

Uranus

focustrack z

108

32

-1.5 -5.6 0.29

0.47

set focus to 0.25

180-184

20.08

Uranus

focuslissold

108

32

-1.5 -5.6 0.25

0.47

not good results

185-187

20.20

Uranus

beammap

108

32

-1.5 -5.6 0.25

0.47

kid resonances appear to move around a fair bit.

188

20.20

--

skydip

108

32

-1.5 -5.6 0.25

0.47

189

21.12

3C84

track

63

42

-1.5 -5.6 0.25

0.47

190

21.15

3C84

nkpoint b

63

42

-1.5 -5.6 0.25

0.47

2: set pointing -1.9 -3.8

191

21.18

3C84

focustrack z

64

43

-1.9 -3.8 0.25

0.47

Array 1: 0.18; Array 2: 0.26; we set the focus to 0.22

192

21.26

3C84

nkliss 1

64

44

-1.9 -3.8 0.22

0.45

193

21.32

0234+285

track

87

49

-1.9 -3.8 0.22

0.45

194

21.33

0234+285

nkliss 1

87

49

-1.9 -3.8 0.22

0.45

Point source found to be 1.37 +/- 0.027 Jy

195

21.38

0234+285

nkliss 1

87

49

-1.9 -3.8 0.22

0.45

196

21.43

0234+285

nkpoint f

87

49

-1.9 -3.8 0.22

0.45

197

21.43

0234+285

nkotf_square 1

87

49

-1.9 -3.8 0.22

0.45

198

21.43

0234+285

nkotf_square 1

87

49

-1.9 -3.8 0.22

0.45

199

21.43

0235+164

track

87

49

-1.9 -3.8 0.22

0.45

200

21.43

0235+164

nkpoint f

87

49

-1.9 -3.8 0.22

0.45

201

21.43

0235+164

nkpoint l

87

49

-1.9 -3.8 0.22

0.45

202

21.43

0235+164

nkpoint l

87

49

-1.9 -3.8 0.22

0.45

203

21.43

0235+164

nkotf_square 1

87

49

-1.9 -3.8 0.22

0.45

204

21.43

0235+164

nkotf_square 1

87

49

-1.9 -3.8 0.22

0.45

BREAK 30 min

205

22.12

0239+108

track

87

49

-1.9 -3.8 0.22

0.44

206

22.17

0239+108

nkotf 1

87

49

-1.9 -3.8 0.22

0.42

207

22.23

0239+108

nkotf 1

87

49

-1.9 -3.8 0.22

0.40

208

22.24

0239+108

nkotf 1

87

49

-1.9 -3.8 0.22

0.40

209

22.28

0239+108

nkotf 1

87

49

-1.9 -3.8 0.22

0.69

210

22.29

0239+108

nkotf 1

87

49

-1.9 -3.8 0.22

0.69

211

22.30

0239+108

nkotf 1

87

49

-1.9 -3.8 0.22

0.69

212

22.31

0239+108

nkotf 1

87

49

-1.9 -3.8 0.22

0.69

213

22.33

0239+108

nkotf 1 1 0 0 10 36 RADEC

87

49

-1.9 -3.8 0.22

0.34

214

22.34

0239+108

nkotf 1 1 90 0 10 36 RADEC

87

49

-1.9 -3.8 0.22

0.34

215

22.35

0239+108

nkotf 1 1 0 90 10 36 RADEC

87

49

-1.9 -3.8 0.22

0.34

216

22.41

NGC1068

nkpoint f

135

43

-1.9 -3.8 0.22

0.42

217

22.49

NGC1068

track

135

43

-1.9 -3.8 0.22

0.40

218-225

22.50

NGC1068

nkliss 1

135

43

-1.9 -3.8 0.22

0.40

If we want to combine these...

226

23.33

Uranus

track

190

59

-1.9 -3.8 0.22

0.3

we move to Uranus to re-focus, but first skydip.

227

23.36

Uranus

skydip_DIY

190

*

-1.9 -3.8 0.22

0.3

we are down to 80% of the pixels on line B.

228

23.43

Uranus

track

194

58

-1.9 -3.8 0.22

0.29

229

23.44

Uranus

nkpoint b

194

58

-1.9 -3.8 0.22

0.29

set point -0.2 -1.0. Not nice fit. repeat to check.

230

23.48

Uranus

nkpoint b

197

58

-0.2 -1.0 0.22

0.31

set point -0.6 -1.1. Better fit.

231

23.51

Uranus

focustrack z

198

58

-0.6 -1.1 0.22

0.34

good fit. set focus 0.3

232

23.58

Uranus

focustrack y

201

57

-0.6 -1.1 0.3

0.38

good fit. set focus 0.17/dir Y

BREAK

Changing day, see continuation of the session on the next log sheet