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Skydip Observations with EMIR

General Procedure: two skydips are performed in both bands E1 & E2. The central frequency for each band is set to 151.60 GHz USB and 256.68 GHz USB (average of A1 & A3) after calculations of the effective frequency for the NIKA2 bands by J. Macias (A1 => 255.53 GHz, A2 => 151.60 GHZ, A3 => 257.84). The recorded bands are 4 BBCs (LSB & USB in HORIZONTAL & VERTICAL polarizations) and 2 NBC (USB in HORIZONTAL & VERTICAL polarizations). The scans are reduced in MIRA following the procedure outlined here. Opacity results are given in the plots.

2017-02-22, Skydip Azimuth = 134.05°: weather conditions were very similar for both measurements with pwv ~ 7 [mm]. A pointing (dAz = 3.7", dEl = 6.1") and focus (dFz = -2.0 mm) was performed on Mars to check the EMIR settings. Scan numbers for the bands are: 26, 28 for E1 and 32, 34 for E2. WARNING: the E2 frequency used in this day was 256.0 GHz instead of 256.68 GHz due to a typo in the NIKA2.lin file.

Results E1, s26 here

Results E1, s28 here

Results E2, s32 here

Results E2, s34 here

2017-02-25, Skydip Azimuth = 128.70°: weather conditions for both measurements with pwv ~ 3 [mm] but VERY UNSTABLE. A pointing (dAz = 4.0", dEl = -1.0") and focus (dFz = -2.4 mm) was performed on Jupiter to check the EMIR settings. A focus was done after the skydip measurements to check that the focus correction first applied using the E2 tuning was also adequate for E1 (dFz = -2.5 mm, consistent). Scan numbers for the bands are: 16, 18 for E1 and 11, 13 for E2.

Results E1, s16 here

E1_BBC1_s16 E1_BBC2_s16 E1_BBC3_s16 E1_BBC4_s16 E1_NBC5_s16 E1_NBC6_s16

Results E1, s18:

E1_BBC1_s18 E1_BBC2_s18 E1_BBC3_s18 E1_BBC4_s18 E1_NBC5_s18 E1_NBC6_s18

Results E2, s11:

E2_BBC1_s11 E2_BBC2_s11 E2_BBC3_s11 E2_BBC4_s11 E2_NBC5_s11 E2_NBC6_s11

Results E2, s13:

E2_BBC1_s13 E2_BBC2_s13 E2_BBC3_s13 E2_BBC4_s13 E2_NBC5_s13 E2_NBC6_s13

-  ⇤ ← Revision 34 as of 2017-02-25 14:55:21 → 
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+   ← Revision 35 as of 2017-02-25 14:56:53 → ⇥
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  Editor: PabloGarcia
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-{{attachment:E2_BBC1_s34.png|E2_BBC1_s34|width=500}} {{attachment:E2_BBC2_s34.png|E2_BBC2_s34|width=500}} {{attachment:E2_BBC3_s34.png|E2_BBC3_s34|width=500}} {{attachment:E2_BBC4_s34.png|E2_BBC4_s34|width=500}}
{{attachment:E2_NBC5_s34.png|E2_NBC5_s34|width=500}} {{attachment:E2_NBC6_s34.png|E2_NBC6_s34|width=500}}
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-Results E1, s16:
+Results E1, s16 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/skydip5/ | here]]