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Go to the Run9 page.

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. An ASCII file containig the relevant information of all EMIR skydips can be downloaded .

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. E1, s28 here. E2, s32 here. 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, s18 here. E2, s11 here. E2, s13 here

-  ⇤ ← Revision 1 as of 2017-02-22 19:21:36 → 
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+   ← Revision 42 as of 2017-02-25 15:05:30 → ⇥
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-= Skydip Observations with EMIR =



'''Go to the [[http://www.iram.es/IRAMES/mainWiki/Continuum/NIKA2/Main| NIKA2]] main page.'''
+'''Go to the [[http://www.iram.es/IRAMES/mainWiki/Nika2Run9| Run9]] page.'''
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-= Skydip Observations with EMIR =
+[[emir_skydip_n2r9| Skydip observations with EMIR]]
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--02-22: two skydips were performed in both bands E1 & E2. The central frequency for each band was set to 151.60 GHz and 256.68 GHz (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 weather conditions were very similar for both measurements with pwv = 7 [mm]. Sccan numbers for the bands are: 26, 27 for E1 and 32, 34 for E2. The recorded bands are 4 BBCs (LSB & USB in HORIZONTAL & VERTICAL polarizations) and 2 NBC (USB in HORIZONTAL & VERTICAL polarizations).
+== Skydip Observations with EMIR ==
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-Results E1, s25:
+'''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 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/test/ | here]]. Opacity results are given in the plots. An ASCII file containig the relevant information of all EMIR skydips can be downloaded {{attachment:EMIR_skydips_summary.dat|here}}.
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-||[[attachment:E1_BBC1_s26.png|E1_BBC1_s26]] || [[attachment:E1_BBC2_s26.png|E1_BBC1_s26]] || [[attachment:E1_BBC3_s26.png|E1_BBC1_s26]] || [[attachment:E1_BBC4_s26.png|E1_BBC1_s26]] || 
||[[attachment:E1_NBC5_s26.png|E1_BBC1_s26]] || [[attachment:E1_NBC6_s26.png|E1_BBC1_s26]]
+'''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 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/skydip1/ | here]]. E1, s28 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/skydip2/ | here]]. E2, s32 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/skydip3/ | here]]. E2, s34 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/skydip4/ | 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 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/skydip5/ | here]]. E1, s18 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/skydip6/ | here]]. E2, s11 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/skydip7/ | here]]. E2, s13 [[http://www.iram.es/IRAMES/mainWiki/ListOfAstroTargetNika2Run9/skydip8/ | here]]