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= NIKA2 = = NIKA2 Homepage =
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The New Instrument of Kids Arrays (NIKA2) is the next generation continuum instrument to be placed at the 30m telescope of IRAM, at Pico Veleta (Spain). The instrument is based on Kinetic Inductance Detectors (KID). The baseline detector focal plane units consist of 1020 detectors at 2 mm and 2x1140 detectors at 1.15 mm. The instrument will provide the measurement of the linear polarization at 1.15 mm. NIKA2, the second generation New-IRAM-KID-Array, is a dual band camera operating simultaneously at 150 and 260 GHz. The instrument is based on large arrays of superconducting Kinetic Inductance Detectors (KID) operated at temperatures of 100mK. NIKA2 is built by an international consortium, led by the Institute Neel (Grenoble France).
Successful installation took place in early October 2015. NIKA2 is designed as a facility instrument which will remain at its present position for at least a decade. The instrument will allow to also measure linear polarizations at 1.15 mm.
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'''[[ http://www.iram.es/IRAMES/mainWiki/Continuum/NIKA2/Main | Go to the Front Page ]]'''

NIKA2 in the web:
 * [[http://ipag.osug.fr/nika2/Welcome.html | NIKA2 website at IPAG ]]
 * [[http://www.iram.fr/wiki/nika2/index.php/Nika2Wiki | NIKA2-internal wiki at IRAM-FR ]].
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The main characteristics of the instrument installed the 29th September at Pico Veleta are: Some prelimiary characteristics of NIKA-2:
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|| '''Band''' || '''Number of KIDs''' || '''Wavelength''' || '''Bandwidth ''' || '''NEFD''' (goal, TBC) || '''HPBW''' || '''FoV''' ||
|| NIKA2 2 mm/150 GHz || 1020 || 2.00 mm || 125-170 GHz || 10 mJy*s^1/2^ || 18.5"  || 6.5' ||
|| NIKA2 1 mm/260 GHz || 2x1140 || 1.15 mm || 240-280 GHz || 15 mJy*s^1/2^ || 12.0" || 6.5' ||		 || '''Band''' || '''Number of KIDs''' || '''Wavelength''' || '''Bandwidth ''' || '''NEFD''' || '''HPBW''' || '''FoV''' ||
|| NIKA2 2 mm/150 GHz || 616 || 2.00 mm || 125-170 GHz || 20 mJy*s^1/2^ || 18" || 6.5' ||
|| NIKA2 1 mm/260 GHz || 2x1140 || 1.15 mm || 240-280 GHz || 30 mJy*s^1/2^ || 12" || 6.5' ||
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 * [[http://ipag.osug.fr/nika2/Welcome.html | NIKA2 official website ]]
 * [[http://www.iram.fr/wiki/nika2/index.php/Nika2Wiki | Private wiki]].		 Comments: A new 2mm array with 616 pixels was installed mid September 2016. The previously installed array had 1020 pixels. Further changes in September 2016 are a new dichroic frequency splitter, new lenses and a new cryostat window. In addition, several of the 20 readout electronics boards have been replaced with the last version. NIKA2 now has a homogeneous set of boards, plus several spare boards. Commissioning will start on October, 4th and will continue into the winter semester, when NIKA2 shall be opened to the community.
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== Call for proposals and time estimator ==

In the upcoming winter semester 2016, running from December 2016 to May 2017, a limited amount of time will be available for NIKA2 science projects. See the [[http://www.iram-institute.org/EN/content-page-169-7-57-169-0-0.html | call for proposals ]]. No polarization measurement is offered for the time being. On the following page, we give information on how to estimate total observing times:

 * [[http://www.iram.es/IRAMES/mainWiki/Continuum/TimeEstimatorScript | Guidelines to estimate observing times]].
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== Call for proposals == == Guaranteed Time Programs: Abstracts and source lists ==
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NIKA2 is not offered to the community yet. It is being commissioned during Oct 2015 until mid 2016. Four Large Programs for NIKA2 in guaranteed time were submitted to the Program Committee for the deadline in September 2016. All four have been rated high by the PC. Here, we provide the proposal abstracts together with the list of sources and map sizes. These shall be "fenced" against new continuum mapping projects at the 30m or NOEMA. <18-January 2017>
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## NIKA2 is offered to the community in our regular calls for proposals:
##
## * [[http://www.iram-institute.org/EN/content-page-169-7-57-169-0-0.html | Call for observing proposals with the 30m]]
## * [[http://www.iram.es/IRAMES/mainWiki/Continuum/TimeEstimatorScript | Guidelines to estimate observing times]].		 == Publications ==

 * Instrument/detectors papers:

   * Bourrion et al. 2016, '''NIKEL_AMC: Readout electronics for the NIKA2 experiment''', [[https://arxiv.org/abs/1602.01288|arxiv]]
   * Catalano et al. 2016, '''The NIKA2 commissioning campaign: performance and first results''', [[http://arxiv.org/abs/1605.08628|arxiv]]
   * Calvo et al. 2016, '''The NIKA2 instrument, a dual-band kilopixel KID array for millimetric astronomy''', [[http://arxiv.org/abs/arXiv:1601.02774|arxiv]]
   * Goupy et al. 2016, '''Microfabrication technology for large LEKID arrays : from NIKA2 to future applications''', [[http://arxiv.org/abs/1601.03969|arxiv]]
   * Monfardini et al. 2014, '''Latest NIKA Results and the NIKA-2 Project''', JLTP 176, 787, [[http://arxiv.org/abs/arXiv:1310.1230|arxiv]]
   * Catalano et al. 2014, '''Performance and calibration of the NIKA camera at the IRAM 30 m telescope''', A&A 569, A9, [[http://arxiv.org/abs/arXiv:1402.0260|arxiv]]
   * Calvo et al. 2013, '''Improved mm-wave photometry for kinetic inductance detectors''', A&A, 551, L12 [[http://adsabs.harvard.edu/abs/2013A%26A...551L..12C|ADS]]
   * Bourrion et al. 2012, '''NIKEL: Electronics and data acquisition for kilopixels kinetic inductance camera''', Journal of Instrumentation, 7, 07, pp. 7014. [[http://arxiv.org/abs/1204.1415|arXiv]]
   * Monfardini et al. 2011, '''A Dual-band Millimeter-wave Kinetic Inductance Camera for the IRAM 30 m Telescope''', ApJS, 194, 2, article id. 24. [[http://arxiv.org/abs/1102.0870|arXiv]]
   * [[http://www.iram.fr/wiki/nika2/index.php/Technical_NIKA_papers_to_be_cited|Internal list of technical papers]]

 * Astronomical papers:
   * Ritacco, A., Ponthieu, N, Catalano, A., et al, 2016, '''Polarimetry at millimeter wavelengths with the NIKA camera: calibration and performance''', A&A, [[https://arxiv.org/abs/1609.02042|astro-ph]]
   * Ruppin, F., Adam, R., Comis, B., et al. 2016, '''Non parametric deprojection of NIKA SZ observations: pressure distribution in the Planck-discovered cluster PSZ1 G045.85+57.71''', A&A, in press [[http://adsabs.harvard.edu/cgi-bin/bib_query?arXiv:1607.07679|ADS]]
   * Adam, R., Bartalucci, I., Pratt, G. W., et al. 2016, '''Mapping the kinetic Sunyaev-Zel'dovich effect toward MACS J0717.5+3745 with NIKA''', A&A, in press [[http://esoads.eso.org/abs/2016arXiv160607721A|ADS]]
   * Adam, R., Comis, B., Bartalucci, I., et al. 2016, '''High angular resolution Sunyaev-Zel'dovich observations of MACS J1423.8+2404 with NIKA: Multiwavelength analysis''', A&A, 586, 122 [[http://esoads.eso.org/abs/2016A%26A...586A.122A|ADS]]
   * Adam, R., Comis, B., Macias-Perez, J.-F., et al, 2015, '''Pressure distribution of the high-redshift cluster of galaxies CL J1226.9+3332 with NIKA''', A&A, 576, A12 [[http://adsabs.harvard.edu/abs/2015A%26A...576A..12A|ADS]]
   * Adam, R., Comis, B., Macias-Perez, J.-F, et al, 2014, '''First observation of the thermal Sunyaev-Zel'dovich effect with kinetic inductance detectors''', A&A, 569, 66 [[http://adsabs.harvard.edu/abs/2014A%26A...569A..66A|ADS]]

 * Ph.D. thesis:
   * ''Rémi Adam (2012-2015) - Advisors: J.F. Macías-Pérez and F.X. Désert'' ([[https://tel.archives-ouvertes.fr/tel-01303736 | Observation des amas de galaxies par effet Sunyaev-Zel'dovich et de la polarisation du fond diffus cosmologique : de Planck à NIKA (in French)]])

 * Talks:
   * Alessia Ritacco, November 2016, '''Polarimetry at Millimeter wavelengths with NIKA and NIKA2''' [[attachment:ritacco-seminar-nika2-nov2016.pdf]]

 * [[http://ipag.osug.fr/nika2/Publications.html|NIKA2 publications list maintained at IPAG]]
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== Publications == == Technical Documentation ==
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 * Technical papers:  * [[attachment:calvo-feb2016-nika2-camadia.pdf | NIKA2 Data Acquisition, Camadia, M.Calvo, Feb-2016 ]]
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   * Catalano, A., Goupy, J., Le Sueur, H., et al, 2015, A&A submitted
   * Monfardini, A., Adam, R., Adane, A., et al, 2014, JLTP, Vol. 176, Issue 5-6, pp. 787-795
   * Bourrion, O., Vescovi, C., Catalano, A. et al, 2013, Journ. of Instr., Vol. 8, Issue 12, article id. C12006
   * Bourrion, O., Vescovi, C., Bouly J.-L. et al, 2012, Journ. of Instr., Vol. 7, Issue 07, pp. 7014
   * Bourrion, O., Bideaud, A., Benoit, A., et al, 2011, Journ. of Instr., Vol. 6, Issue 06, pp. 6012		  * [[attachment:calvo-docTuning_feb2016.pdf | NIKA2 tuning procedure and data flagging description, M.Calvo, Feb-2016 ]]
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 * Astronomical papers:  * [[http://www.iram.es/IRAMES/mainWiki/Continuum/NIKA2/InstrumentalDoc | Instrument-related documentation page ]]
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   * Adam, A., Comis, B., Macias-Perez, J.-F., et al, 2015, A&A, 576, A12
   * Catalano, A., Ponthieu, N., Calvo M., et al, 2014, A&A, 569, A9
   * Adam, R., Comis, B., Macias-Perez, J.-F, et al, 2014, A&A in press
   * Calvo, M., Roesh, M., Désert, F.-X., et al, 2013, A&A, 551, L12
   * Monfardini, A., Benoit, A., Bideaud, A., et al, 2011, ApJs, 194, 24
   * Monfardini, A., Swenson, L. J., Bideaud, A., et al, 2010, AAp, 521, A29		  * Wiki-pages:
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----    * [[http://www.iram.es/IRAMES/mainWiki/OffProcNika2Run1Beam | Discussion on beams ]]
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== Support teams ==    * [[http://www.iram.es/IRAMES/mainWiki/Spectral%20bands | Spectral bands ]]
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 * Overall coordinator:
  * '''Samuel Leclercq''' (IRAM/Grenoble, <leclercq@iram.fr>)		    * [[http://www.iram.es/IRAMES/mainWiki/Continuum/NetworkAccess | Remote network access to NIKA-2 ]]
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 * NIKA2 team:
  * '''Alain Benoit''' <alain.benoit@grenoble.cnrs.fr> (PI, IN)
  * '''Alessandro Monfardini''' <monfardini@neel.cnrs.fr> (co-PI, IN)
  * François-Xavier Désert <francois-xavier.desert@obs.ujf-grenoble.fr> (IPAG)
  * Martino Calvo <martino.calvo@neel.cnrs.fr> (IN)
  * Johannes Goupy <johannes.goupy@neel.cnrs.fr> (IN)
  * Nicolas Ponthieu (IPAG)
  * Juan Macias-Perez <macias@lpsc.in2p3.fr> (LPSC)
  * Andrea Catalano <catalano@lpsc.in2p3.fr> (LPSC)
  * Remi Adam <adam@lpsc.in2p3.fr> (LPSC)		    * [[http://www.iram.es/IRAMES/mainWiki/Continuum/PoolPreparation | Pool Preparation]] provides information on the observing modes offered for NIKA2 and examples of the scripts that you must prepare to observe your project.
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 * IRAM/Granada support team:
  * '''Carsten Kramer''' (Station Manager, <kramer@iram.es>)
  * Israel Hermelo (30m Continuum Pool Manager, <hermelo@iram.es>)
  * Nicolas Billot (30m Scheduler, <billot@iram.es>)
  * Claudia Marka (30m Heterodyne Pool Manager, <marka@iram.es>)
  * Albrecht Sievers (<sievers@iram.es>)		    * [[http://www.iram.es/IRAMES/mainWiki/Continuum/ObservingSession | Observing Session]] provides an example of a typical session with NIKA2 at the 30m telescope.
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----    * [[http://www.iram.es/IRAMES/mainWiki/Continuum/Calibrators | Pointing sources and calibrators ]] provides a list of pointing sources and calibrators.
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== How-to's == ## * [[http://www.iram.es/IRAMES/mainWiki/Continuum/TimeEstimatorScript|Time Estimator (UNDER CONSTRUCTION)]]
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 * [[http://www.iram.es/IRAMES/mainWiki/Continuum/PoolPreparation | Pool Preparation]] provides information on the observing modes offered for the continuum cameras as well as examples of the scripts that you need to prepare to observe your project.

 * [[http://www.iram.es/IRAMES/mainWiki/Continuum/ObservingSession | Observing Session]] provides an example of a typical session with the continuum cameras at the 30m telescope.

 * [[http://www.iram.es/IRAMES/mainWiki/Continuum/Calibrators | Pointing sources and calibrators ]] provides a list of pointing sources and calibrators for the IRAM 30m continuum cameras.

 * [[http://www.iram.es/IRAMES/mainWiki/Continuum/ObserveGRBs | Observe GRBs]]		 ## * [[http://www.iram.es/IRAMES/mainWiki/Continuum/ObserveGRBs | Observe GRBs]]
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'''[[ http://www.iram.es/IRAMES/mainWiki/Continuum/NIKA2/Main | Go to the top ]]'''
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== Technical runs == == Technical runs to commission NIKA2 ==
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 * '''1st test run''' (October 2015, Installation, 1st cool down at the 30m, start commissioning procedures)  * '''1^st^ test run of NIKA2''': 29-October-2015 till 10-November-2015. Installation, cool down at the 30m, testing/debugging/developing. [= Run 13 of a NIKA instrument]
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 * '''2^nd^ test run of NIKA2''': 24-November-2015 till 02-December-2015. Continue tests started during run 1, in particular Beam maps and NEFD with the 13 NIKEL boards assembled the last days of run 1. [= Run 14 of a NIKA instrument]
  * [[Nika2Run2|Go to the 2nd run Wiki page]]

 * '''3^rd^ test run of NIKA2''': 12-January-2016 till 01-February-2016. Implementation of new NIKEL boards; the 20 data lines of NIKA2 are foreseen to be plugged simultaneously. With the 3 arrays fully read, continue and redo tests started with runs 1 & 2, in particular '''Beam maps''' and NEFD. [= Run 15 of a NIKA instrument]
  * [[Nika2Run3|Go to the 3rd run Wiki page]]

 * '''4^th^ test run of NIKA2''': 1-March-2016 till 15-March-2016. Continue tests started with previous runs, in particular investigate deeper beam patterns (XY focus, beam maps), synchronization, array 1 & 3 performances vs electronic boards, NEFD, mapping strategies. [= Run 16 of a NIKA instrument]
  * [[Nika2Run4|Go to the 4th run Wiki page]]

 * '''Dark run''': 4-May-2016. Test sensitivity of NIKA2 to external electromagnetic perturbations, with the entrance window of the cryostat closed. [= Run 17 of a NIKA instrument]

 * '''5^th^ test run of NIKA2''': 16-September-2016 till 11-October-2016. Upgrade NIKA2 with new dichroic, new corrugated lenses and window, new 2mm array, new NIKEL boards (get the 20 lines with homogeneous electronics, v3); redo better the tests started with previous runs (mostly beam maps in best weather conditions, but also various types of scan to investigate deeper beams and noise, synchronization, NEFD, skydips, mapping strategies, possibly polarization. [= Run 18 of a NIKA instrument]
  * [[Nika2Run5|Go to the 5th run Wiki page]]

 * '''6^th^ test run of NIKA2''': 25-October-2016 till 1-November-2016. Continue NIKA2 commissioning. [= Run 19 of a NIKA instrument]
  * [[Nika2Run6|Go to the 6th run Wiki page]]

 * '''7^th^ test run of NIKA2''': 6-December-2016 till 13-December-2016. Test DRO based external calibrator, continue NIKA2 commissioning. [= Run 20 of a NIKA instrument]
  * [[Nika2Run7|Go to the 7th run Wiki page]]

 * '''8^th^ test run of NIKA2''': 9-January-2017 to 13-January-2017, then 23-January to 27-January, then 21-February to 28-Fevruary. Reverse array 1 lens to smooth version, continue NIKA2 commissioning. [= Run 21 of a NIKA instrument]
  * [[Nika2Run8|Go to the 8th run Wiki page]]
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== Support teams ==
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Author: Israel Hermelo (IRAM 30m continuum pool manager)  * Overall coordinator:
  * '''Samuel Leclercq''' (IRAM/Grenoble, <leclercq@iram.fr>)
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email: hermelo@iram.es
 
Created: 2015.AUG.05		  * NIKA2 team:
  * '''Alessandro Monfardini''' <monfardini@neel.cnrs.fr> (PI, IN)
  * Alain Benoit <alain.benoit@grenoble.cnrs.fr>
  * François-Xavier Désert <francois-xavier.desert@univ-grenoble-alpes.fr> (IPAG)
  * Martino Calvo <martino.calvo@neel.cnrs.fr> (IN)
  * Johannes Goupy <johannes.goupy@neel.cnrs.fr> (IN)
  * Nicolas Ponthieu <nicolas.ponthieu@univ-grenoble-alpes.fr> (IPAG)
  * Juan Macias-Perez <macias@lpsc.in2p3.fr> (LPSC)
  * Andrea Catalano <catalano@lpsc.in2p3.fr> (LPSC)
  * Laurence Perotto <laurence.perotto@lpsc.in2p3.fr> (LPSC)
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This page is maintained by IH, CK, SL and the NIKA team  * IRAM/Granada NIKA2 support team:
  * Carsten Kramer (Station Manager and Scheduler, <kramer@iram.es>)
  * Pablo Garcia (time estimator, continuum Pool Manager, <pgarcia@iram.es>)
  * Albrecht Sievers (IMBfits, <sievers@iram.es>)
  * Hans Ungerechts (NCS/pako, <ungerechts@iram.es>)
  * Pablo Mellado (Computers/Network, <mellado@iram.es>)
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Last update: 2015.OCT.05 '''[[ http://www.iram.es/IRAMES/mainWiki/Continuum/NIKA2/Main | Go to top ]]'''

-------
Author: Israel Hermelo.
Created: 5-Aug-2015.
This page is maintained by PG, CK, SL and the NIKA team.
Last update: 1-Oct-2016

NIKA2 Homepage

NIKA2, the second generation New-IRAM-KID-Array, is a dual band camera operating simultaneously at 150 and 260 GHz. The instrument is based on large arrays of superconducting Kinetic Inductance Detectors (KID) operated at temperatures of 100mK. NIKA2 is built by an international consortium, led by the Institute Neel (Grenoble France). Successful installation took place in early October 2015. NIKA2 is designed as a facility instrument which will remain at its present position for at least a decade. The instrument will allow to also measure linear polarizations at 1.15 mm.

Contents

  1. NIKA2 Homepage
    1. Overview
    2. Call for proposals and time estimator
    3. Guaranteed Time Programs: Abstracts and source lists
    4. Publications
    5. Technical Documentation
    6. Technical runs to commission NIKA2
    7. Support teams

NIKA2 in the web:

Overview

Some prelimiary characteristics of NIKA-2:

Band

Number of KIDs

Wavelength

Bandwidth

NEFD

HPBW

FoV

NIKA2 2 mm/150 GHz

616

2.00 mm

125-170 GHz

20 mJy*s1/2

18"

6.5'

NIKA2 1 mm/260 GHz

2x1140

1.15 mm

240-280 GHz

30 mJy*s1/2

12"

6.5'

Comments: A new 2mm array with 616 pixels was installed mid September 2016. The previously installed array had 1020 pixels. Further changes in September 2016 are a new dichroic frequency splitter, new lenses and a new cryostat window. In addition, several of the 20 readout electronics boards have been replaced with the last version. NIKA2 now has a homogeneous set of boards, plus several spare boards. Commissioning will start on October, 4th and will continue into the winter semester, when NIKA2 shall be opened to the community.

Call for proposals and time estimator

In the upcoming winter semester 2016, running from December 2016 to May 2017, a limited amount of time will be available for NIKA2 science projects. See the call for proposals. No polarization measurement is offered for the time being. On the following page, we give information on how to estimate total observing times:

Guaranteed Time Programs: Abstracts and source lists

Four Large Programs for NIKA2 in guaranteed time were submitted to the Program Committee for the deadline in September 2016. All four have been rated high by the PC. Here, we provide the proposal abstracts together with the list of sources and map sizes. These shall be "fenced" against new continuum mapping projects at the 30m or NOEMA. <18-January 2017>

Publications

  • Instrument/detectors papers:

    • Bourrion et al. 2016, NIKEL_AMC: Readout electronics for the NIKA2 experiment, arxiv

    • Catalano et al. 2016, The NIKA2 commissioning campaign: performance and first results, arxiv

    • Calvo et al. 2016, The NIKA2 instrument, a dual-band kilopixel KID array for millimetric astronomy, arxiv

    • Goupy et al. 2016, Microfabrication technology for large LEKID arrays : from NIKA2 to future applications, arxiv

    • Monfardini et al. 2014, Latest NIKA Results and the NIKA-2 Project, JLTP 176, 787, arxiv

    • Catalano et al. 2014, Performance and calibration of the NIKA camera at the IRAM 30 m telescope, A&A 569, A9, arxiv

    • Calvo et al. 2013, Improved mm-wave photometry for kinetic inductance detectors, A&A, 551, L12 ADS

    • Bourrion et al. 2012, NIKEL: Electronics and data acquisition for kilopixels kinetic inductance camera, Journal of Instrumentation, 7, 07, pp. 7014. arXiv

    • Monfardini et al. 2011, A Dual-band Millimeter-wave Kinetic Inductance Camera for the IRAM 30 m Telescope, ApJS, 194, 2, article id. 24. arXiv

    • Internal list of technical papers

  • Astronomical papers:

    • Ritacco, A., Ponthieu, N, Catalano, A., et al, 2016, Polarimetry at millimeter wavelengths with the NIKA camera: calibration and performance, A&A, astro-ph

    • Ruppin, F., Adam, R., Comis, B., et al. 2016, Non parametric deprojection of NIKA SZ observations: pressure distribution in the Planck-discovered cluster PSZ1 G045.85+57.71, A&A, in press ADS

    • Adam, R., Bartalucci, I., Pratt, G. W., et al. 2016, Mapping the kinetic Sunyaev-Zel'dovich effect toward MACS J0717.5+3745 with NIKA, A&A, in press ADS

    • Adam, R., Comis, B., Bartalucci, I., et al. 2016, High angular resolution Sunyaev-Zel'dovich observations of MACS J1423.8+2404 with NIKA: Multiwavelength analysis, A&A, 586, 122 ADS

    • Adam, R., Comis, B., Macias-Perez, J.-F., et al, 2015, Pressure distribution of the high-redshift cluster of galaxies CL J1226.9+3332 with NIKA, A&A, 576, A12 ADS

    • Adam, R., Comis, B., Macias-Perez, J.-F, et al, 2014, First observation of the thermal Sunyaev-Zel'dovich effect with kinetic inductance detectors, A&A, 569, 66 ADS

  • Ph.D. thesis:
  • Talks:

  • NIKA2 publications list maintained at IPAG

Technical Documentation

Go to the top

Technical runs to commission NIKA2

  • 1st test run of NIKA2: 29-October-2015 till 10-November-2015. Installation, cool down at the 30m, testing/debugging/developing. [= Run 13 of a NIKA instrument]

  • 2nd test run of NIKA2: 24-November-2015 till 02-December-2015. Continue tests started during run 1, in particular Beam maps and NEFD with the 13 NIKEL boards assembled the last days of run 1. [= Run 14 of a NIKA instrument]

  • 3rd test run of NIKA2: 12-January-2016 till 01-February-2016. Implementation of new NIKEL boards; the 20 data lines of NIKA2 are foreseen to be plugged simultaneously. With the 3 arrays fully read, continue and redo tests started with runs 1 & 2, in particular Beam maps and NEFD. [= Run 15 of a NIKA instrument]

  • 4th test run of NIKA2: 1-March-2016 till 15-March-2016. Continue tests started with previous runs, in particular investigate deeper beam patterns (XY focus, beam maps), synchronization, array 1 & 3 performances vs electronic boards, NEFD, mapping strategies. [= Run 16 of a NIKA instrument]

  • Dark run: 4-May-2016. Test sensitivity of NIKA2 to external electromagnetic perturbations, with the entrance window of the cryostat closed. [= Run 17 of a NIKA instrument]

  • 5th test run of NIKA2: 16-September-2016 till 11-October-2016. Upgrade NIKA2 with new dichroic, new corrugated lenses and window, new 2mm array, new NIKEL boards (get the 20 lines with homogeneous electronics, v3); redo better the tests started with previous runs (mostly beam maps in best weather conditions, but also various types of scan to investigate deeper beams and noise, synchronization, NEFD, skydips, mapping strategies, possibly polarization. [= Run 18 of a NIKA instrument]

  • 6th test run of NIKA2: 25-October-2016 till 1-November-2016. Continue NIKA2 commissioning. [= Run 19 of a NIKA instrument]

  • 7th test run of NIKA2: 6-December-2016 till 13-December-2016. Test DRO based external calibrator, continue NIKA2 commissioning. [= Run 20 of a NIKA instrument]

  • 8th test run of NIKA2: 9-January-2017 to 13-January-2017, then 23-January to 27-January, then 21-February to 28-Fevruary. Reverse array 1 lens to smooth version, continue NIKA2 commissioning. [= Run 21 of a NIKA instrument]

Support teams

Go to top

Author: Israel Hermelo. Created: 5-Aug-2015. This page is maintained by PG, CK, SL and the NIKA team. Last update: 1-Oct-2016

Continuum/NIKA2/Main (last edited 2024-10-23 12:27:04 by CarstenKramer)