Describe NK2015_Oct24 here.

NIKA October 24, 2015 / S8

Back to list of day to day logbook of observations

2015-10-24

IMPORTANT NOTES ON OBSERVING INFO

Data Repository: /home/nika2/NIKA/Data/run13_X/scan24_X

Goal of the session:

Scan

UT

Source

Command

Az

El

Pointing X, Y, Focus

Tau225

Comment

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

1

00.02

Uranus

focustrack x

203

57

-0.6 -1.1 0.3

0.32

good fit. set focus -0.86/dir X . Go for otf sources.

2

00.09

0420-014

track

133

40

-0.6 -1.1 0.3

0.35

3

00.13

0420-014

nkpoint b

133

40

-0.6 -1.1 0.3

0.35

set pointing -2.2 -0.7. before correcting, compare with pointing liss.

4

00.15

0420-014

nkpoint l

133

40

-0.6 -1.1 0.3

0.36

set pointing -1.7 -2.0. we consider the liss, BUT: WARNING the pointing is different. to Check.

5-12

00.21

0420-014

nkliss 1

135

42

-1.7 -2.0 0.3

0.38

nominal flux at 2mm is 5Jy.

13-21

01.00

0420-014

nkotf_square 1

146

46

-1.7 -2.0 0.3

0.54

for comparison between liss and otf

22

01.00

0420-014

nkotf_square 1

146

46

-1.7 -2.0 0.3

0.54

CANCELLED

23

01.12

0430+052

track

143

53

-1.7 -2.0 0.3

0.43

24

01.14

0430+052

nkpoint l

143

53

-1.7 -2.0 0.3

0.43

set point -0.3 -1.1

25-29

01.20

0430+052

nkliss 6

145

54

-0.3 -1.1 0.3

0.41

nominal flux at 2mm(??it is marked as polarized source on Xephem) is 2Jy.

30

01.49

0430+052

focustrack z

158

56

-0.3 -1.1 0.3

0.58

good fit. set focus 0.51

31

01.53

0430+052

focustrack x

159

56

-0.3 -1.1 0.51

0.58

bad fit. repeat.

32

01.58

0430+052

focustrack x

159

56

-0.3 -1.1 0.51

0.53

very bad fit. don't change anything. go to focus Y.

33

02.01

0430+052

focustrack y

163

57

-0.3 -1.1 0.51

0.53

very bad fit also along Y. Maybe too faint source. We move to Uranus to focus. Good resonances.

34

02.09

Uranus

track

243

39

-0.3 -1.1 0.51

0.38

35

02:11

Uranus

nkpoint b

243

39

-0.3 -1.1 0.51

0.46

set point -1.9 -3.3

36

02:14

Uranus

focustrack z

243

39

-0.3 -1.1 0.51

0.46

good fit. set focus 0.38

|| 37 || 02.18 || Uranus || focustrack x || 245 || 38 || -1.9 -3.3 0.38 || 0.46 || better fit than before. set focus -1.10 /dir X || || 38 || 02.22 || Uranus || focustrack y || 246 || 37 || -1.9 -3.3 0.38 || 0.33 || bad fit. repeat. || || 39 || 02.27 || Uranus || focustrack y || 247 || 36 || -1.9 -3.3 0.38 || 0.51 || bad fit. We take the correction -1.50 /dir Y. ||

40-42

02.33

Uranus

beammap

248

35

-1.9 -3.3 0.38

0.68

beam 17" and 21" at 1mm and 2mm respectively.

|| 43 || 03.25 || Uranus || focustrack y || 259 || 24 || -1.9 -3.3 0.38 || 0.51 || bad fit|| || 44 || 03.27 || Uranus || focustrack x || 259 || 24 || -1.9 -3.3 0.38 || 0.51 || bad fit||

45

03.29

Uranus

focustrack y

259

24

-1.9 -3.3 0.38

0.51

starting from 0.26. bad fit

46

03.32

Uranus

focustrack y

259

24

-1.9 -3.3 0.38

0.50

starting from -0.57. bad fit. Maybe because Uranus is too low in elevation. Proceed to mapping sources

47

03.44

SXDF

track

238

27

-1.9 -3.3 0.38

0.50

48

03.46

SXDF

nkpoint l

238

27

-1.9 -3.3 0.38

0.42

the source is too faint (~4mJy at 2mm) for pointing.

49-58

03:52

SXDF

nkliss 1

240

25

-1.9 -3.3 0.38

0.57

ended 4:48

59

04:50

3C84

track

-1.9 -3.3 0.38

0.57

bright source (9 Jy) at high-ish elevation (already observed at lower elevation)

60

04:51

3C84

nkpoint l

293

48

-1.9 -3.3 0.38

0.57

launched 2 pointings using different commands for comparison; output : pointing -1.5 -3.4

61

04:

3C84

nkpoint b

293

48

-1.9 -3.3 0.38

0.57

output pointing -0.1 -4.4 ; both results seem reasonable. We choose outputs from point liss for consistency with previous choice : set pointing -1.5 -3.4

62

05:00

3C84

focustrack z

293

48

-1.5 -3.4 0.38

0.57

set focus 0.3

63

05:00

3C84

focustrack x

293

48

-1.5 -3.4 0.3

0.57

set focus -0.12 /dir X

64

05:00

3C84

focustrack y

293

48

-1.5 -3.4 0.3

0.48

set focus 0.52 /dir Y

65-69

05:00

3C84

nkliss 4

294

46.5

-1.5 -3.4 0.3

0.48

71-84

05:00

3C84

nkotf_square 4

294

46.5

-1.5 -3.4 0.3

0.48

85

06:

skydip_DIY

294

46.5

-1.5 -3.4 0.3

0.48

86

06:

0415+379

track

294

46.5

-1.5 -3.4 0.3

0.48

87

06:

0415+379

nkpoint f

294

46.5

-1.5 -3.4 0.3

0.48

no source, output : pointing -48.7 29.0, not usable. DO NOT USE NKPOINT F

88

06:

0415+379

nkpoint l

294

46.5

-1.5 -3.4 0.3

0.48

output pointing ***** 146.2, not usable. we test using the nkpoint b

89

06:

0415+379

nkpoint b

294

46.5

-1.5 -3.4 0.3

0.48

output : pointing -69.9 29.8; we cannot have pointing offset, moving to brighter source

90

06:

W3OH

track

326

31

-1.5 -3.4 0.3

0.6

8 Jy

91

06:

W3OH

nkpoint b

326

31

-1.5 -3.4 0.3

no source; very cloudy; we move on to Mars

92

06:

Mars

track

46.5

-1.5 -3.4 0.3