The NIKA2 large-field-of-view millimetre continuum camera for the 30 m IRAM telescope

R. Adam, A. Adane, P. A.R. Ade, P. André, A. Andrianasolo, H. Aussel, A. Beelen, A. Benoît, A. Bideaud, N. Billot, O. Bourrion, A. Bracco, M. Calvo, A. Catalano, G. Coiffard, B. Comis, M. De Petris, F. X. Désert, S. Doyle, E. F.C. DriessenR. Evans, J. Goupy, C. Kramer, G. Lagache, S. Leclercq, J. P. Leggeri, J. F. Lestrade, J. F. MacÍas-Pérez, Philip Mauskopf, F. Mayet, A. Maury, A. Monfardini, S. Navarro, E. Pascale, L. Perotto, G. Pisano, N. Ponthieu, V. Revéret, A. Rigby, A. Ritacco, C. Romero, H. Roussel, F. Ruppin, K. Schuster, A. Sievers, S. Triqueneaux, C. Tucker, R. Zylka

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

Context. Millimetre-wave continuum astronomy is today an indispensable tool for both general astrophysics studies (e.g. star formation, nearby galaxies) and cosmology (e.g. cosmic microwave background and high-redshift galaxies). General purpose, large-field-of-view instruments are needed to map the sky at intermediate angular scales not accessible by the high-resolution interferometers (e.g. ALMA in Chile, NOEMA in the French Alps) and by the coarse angular resolution space-borne or ground-based surveys (e.g. Planck, ACT, SPT). These instruments have to be installed at the focal plane of the largest single-dish telescopes, which are placed at high altitude on selected dry observing sites. In this context, we have constructed and deployed a three-thousand-pixel dual-band (150 GHz and 260 GHz, respectively 2 mm and 1.15 mm wavelengths) camera to image an instantaneous circular field-of-view of 6.5 arcmin in diameter, and configurable to map the linear polarisation at 260 GHz. Aims. First, we are providing a detailed description of this instrument, named NIKA2 (New IRAM KID Arrays 2), in particular focussing on the cryogenics, optics, focal plane arrays based on Kinetic Inductance Detectors, and the readout electronics. The focal planes and part of the optics are cooled down to the nominal 150 mK operating temperature by means of an adhoc dilution refrigerator. Secondly, we are presenting the performance measured on the sky during the commissioning runs that took place between October 2015 and April 2017 at the 30-m IRAM telescope at Pico Veleta, near Granada (Spain). Methods. We have targeted a number of astronomical sources. Starting from beam-maps on primary and secondary calibrators we have then gone to extended sources and faint objects. Both internal (electronic) and on-the-sky calibrations are applied. The general methods are described in the present paper. Results. NIKA2 has been successfully deployed and commissioned, performing in-line with expectations. In particular, NIKA2 exhibits full width at half maximum angular resolutions of around 11 and 17.5 arcsec at respectively 260 and 150 GHz. The noise equivalent flux densities are, at these two respective frequencies, 33±2 and 8±1 mJy s1/2. A first successful science verification run was achieved in April 2017. The instrument is currently offered to the astronomy community and will remain available for at least the following ten years.

Original languageEnglish (US)
Article numberA115
JournalAstronomy and Astrophysics
Volume609
DOIs
StatePublished - Jan 1 2018

Fingerprint

field of view
cameras
telescopes
continuums
sky
astronomy
angular resolution
optics
galaxies
faint objects
parabolic reflectors
Chile
astrophysics
refrigerators
Spain
focal plane devices
cosmology
high altitude
linear polarization
operating temperature

Keywords

  • Cosmic background radiation
  • Instrumentation: detectors
  • Instrumentation: photometers
  • Instrumentation: polarimeters
  • Submillimeter: galaxies
  • Submillimeter: ISM

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

Adam, R., Adane, A., Ade, P. A. R., André, P., Andrianasolo, A., Aussel, H., ... Zylka, R. (2018). The NIKA2 large-field-of-view millimetre continuum camera for the 30 m IRAM telescope. Astronomy and Astrophysics, 609, [A115]. https://doi.org/10.1051/0004-6361/201731503

The NIKA2 large-field-of-view millimetre continuum camera for the 30 m IRAM telescope. / Adam, R.; Adane, A.; Ade, P. A.R.; André, P.; Andrianasolo, A.; Aussel, H.; Beelen, A.; Benoît, A.; Bideaud, A.; Billot, N.; Bourrion, O.; Bracco, A.; Calvo, M.; Catalano, A.; Coiffard, G.; Comis, B.; De Petris, M.; Désert, F. X.; Doyle, S.; Driessen, E. F.C.; Evans, R.; Goupy, J.; Kramer, C.; Lagache, G.; Leclercq, S.; Leggeri, J. P.; Lestrade, J. F.; MacÍas-Pérez, J. F.; Mauskopf, Philip; Mayet, F.; Maury, A.; Monfardini, A.; Navarro, S.; Pascale, E.; Perotto, L.; Pisano, G.; Ponthieu, N.; Revéret, V.; Rigby, A.; Ritacco, A.; Romero, C.; Roussel, H.; Ruppin, F.; Schuster, K.; Sievers, A.; Triqueneaux, S.; Tucker, C.; Zylka, R.

In: Astronomy and Astrophysics, Vol. 609, A115, 01.01.2018.

Research output: Contribution to journalArticle

Adam, R, Adane, A, Ade, PAR, André, P, Andrianasolo, A, Aussel, H, Beelen, A, Benoît, A, Bideaud, A, Billot, N, Bourrion, O, Bracco, A, Calvo, M, Catalano, A, Coiffard, G, Comis, B, De Petris, M, Désert, FX, Doyle, S, Driessen, EFC, Evans, R, Goupy, J, Kramer, C, Lagache, G, Leclercq, S, Leggeri, JP, Lestrade, JF, MacÍas-Pérez, JF, Mauskopf, P, Mayet, F, Maury, A, Monfardini, A, Navarro, S, Pascale, E, Perotto, L, Pisano, G, Ponthieu, N, Revéret, V, Rigby, A, Ritacco, A, Romero, C, Roussel, H, Ruppin, F, Schuster, K, Sievers, A, Triqueneaux, S, Tucker, C & Zylka, R 2018, 'The NIKA2 large-field-of-view millimetre continuum camera for the 30 m IRAM telescope', Astronomy and Astrophysics, vol. 609, A115. https://doi.org/10.1051/0004-6361/201731503
Adam, R. ; Adane, A. ; Ade, P. A.R. ; André, P. ; Andrianasolo, A. ; Aussel, H. ; Beelen, A. ; Benoît, A. ; Bideaud, A. ; Billot, N. ; Bourrion, O. ; Bracco, A. ; Calvo, M. ; Catalano, A. ; Coiffard, G. ; Comis, B. ; De Petris, M. ; Désert, F. X. ; Doyle, S. ; Driessen, E. F.C. ; Evans, R. ; Goupy, J. ; Kramer, C. ; Lagache, G. ; Leclercq, S. ; Leggeri, J. P. ; Lestrade, J. F. ; MacÍas-Pérez, J. F. ; Mauskopf, Philip ; Mayet, F. ; Maury, A. ; Monfardini, A. ; Navarro, S. ; Pascale, E. ; Perotto, L. ; Pisano, G. ; Ponthieu, N. ; Revéret, V. ; Rigby, A. ; Ritacco, A. ; Romero, C. ; Roussel, H. ; Ruppin, F. ; Schuster, K. ; Sievers, A. ; Triqueneaux, S. ; Tucker, C. ; Zylka, R. / The NIKA2 large-field-of-view millimetre continuum camera for the 30 m IRAM telescope. In: Astronomy and Astrophysics. 2018 ; Vol. 609.
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abstract = "Context. Millimetre-wave continuum astronomy is today an indispensable tool for both general astrophysics studies (e.g. star formation, nearby galaxies) and cosmology (e.g. cosmic microwave background and high-redshift galaxies). General purpose, large-field-of-view instruments are needed to map the sky at intermediate angular scales not accessible by the high-resolution interferometers (e.g. ALMA in Chile, NOEMA in the French Alps) and by the coarse angular resolution space-borne or ground-based surveys (e.g. Planck, ACT, SPT). These instruments have to be installed at the focal plane of the largest single-dish telescopes, which are placed at high altitude on selected dry observing sites. In this context, we have constructed and deployed a three-thousand-pixel dual-band (150 GHz and 260 GHz, respectively 2 mm and 1.15 mm wavelengths) camera to image an instantaneous circular field-of-view of 6.5 arcmin in diameter, and configurable to map the linear polarisation at 260 GHz. Aims. First, we are providing a detailed description of this instrument, named NIKA2 (New IRAM KID Arrays 2), in particular focussing on the cryogenics, optics, focal plane arrays based on Kinetic Inductance Detectors, and the readout electronics. The focal planes and part of the optics are cooled down to the nominal 150 mK operating temperature by means of an adhoc dilution refrigerator. Secondly, we are presenting the performance measured on the sky during the commissioning runs that took place between October 2015 and April 2017 at the 30-m IRAM telescope at Pico Veleta, near Granada (Spain). Methods. We have targeted a number of astronomical sources. Starting from beam-maps on primary and secondary calibrators we have then gone to extended sources and faint objects. Both internal (electronic) and on-the-sky calibrations are applied. The general methods are described in the present paper. Results. NIKA2 has been successfully deployed and commissioned, performing in-line with expectations. In particular, NIKA2 exhibits full width at half maximum angular resolutions of around 11 and 17.5 arcsec at respectively 260 and 150 GHz. The noise equivalent flux densities are, at these two respective frequencies, 33±2 and 8±1 mJy s1/2. A first successful science verification run was achieved in April 2017. The instrument is currently offered to the astronomy community and will remain available for at least the following ten years.",
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TY - JOUR

T1 - The NIKA2 large-field-of-view millimetre continuum camera for the 30 m IRAM telescope

AU - Adam, R.

AU - Adane, A.

AU - Ade, P. A.R.

AU - André, P.

AU - Andrianasolo, A.

AU - Aussel, H.

AU - Beelen, A.

AU - Benoît, A.

AU - Bideaud, A.

AU - Billot, N.

AU - Bourrion, O.

AU - Bracco, A.

AU - Calvo, M.

AU - Catalano, A.

AU - Coiffard, G.

AU - Comis, B.

AU - De Petris, M.

AU - Désert, F. X.

AU - Doyle, S.

AU - Driessen, E. F.C.

AU - Evans, R.

AU - Goupy, J.

AU - Kramer, C.

AU - Lagache, G.

AU - Leclercq, S.

AU - Leggeri, J. P.

AU - Lestrade, J. F.

AU - MacÍas-Pérez, J. F.

AU - Mauskopf, Philip

AU - Mayet, F.

AU - Maury, A.

AU - Monfardini, A.

AU - Navarro, S.

AU - Pascale, E.

AU - Perotto, L.

AU - Pisano, G.

AU - Ponthieu, N.

AU - Revéret, V.

AU - Rigby, A.

AU - Ritacco, A.

AU - Romero, C.

AU - Roussel, H.

AU - Ruppin, F.

AU - Schuster, K.

AU - Sievers, A.

AU - Triqueneaux, S.

AU - Tucker, C.

AU - Zylka, R.

PY - 2018/1/1

Y1 - 2018/1/1

N2 - Context. Millimetre-wave continuum astronomy is today an indispensable tool for both general astrophysics studies (e.g. star formation, nearby galaxies) and cosmology (e.g. cosmic microwave background and high-redshift galaxies). General purpose, large-field-of-view instruments are needed to map the sky at intermediate angular scales not accessible by the high-resolution interferometers (e.g. ALMA in Chile, NOEMA in the French Alps) and by the coarse angular resolution space-borne or ground-based surveys (e.g. Planck, ACT, SPT). These instruments have to be installed at the focal plane of the largest single-dish telescopes, which are placed at high altitude on selected dry observing sites. In this context, we have constructed and deployed a three-thousand-pixel dual-band (150 GHz and 260 GHz, respectively 2 mm and 1.15 mm wavelengths) camera to image an instantaneous circular field-of-view of 6.5 arcmin in diameter, and configurable to map the linear polarisation at 260 GHz. Aims. First, we are providing a detailed description of this instrument, named NIKA2 (New IRAM KID Arrays 2), in particular focussing on the cryogenics, optics, focal plane arrays based on Kinetic Inductance Detectors, and the readout electronics. The focal planes and part of the optics are cooled down to the nominal 150 mK operating temperature by means of an adhoc dilution refrigerator. Secondly, we are presenting the performance measured on the sky during the commissioning runs that took place between October 2015 and April 2017 at the 30-m IRAM telescope at Pico Veleta, near Granada (Spain). Methods. We have targeted a number of astronomical sources. Starting from beam-maps on primary and secondary calibrators we have then gone to extended sources and faint objects. Both internal (electronic) and on-the-sky calibrations are applied. The general methods are described in the present paper. Results. NIKA2 has been successfully deployed and commissioned, performing in-line with expectations. In particular, NIKA2 exhibits full width at half maximum angular resolutions of around 11 and 17.5 arcsec at respectively 260 and 150 GHz. The noise equivalent flux densities are, at these two respective frequencies, 33±2 and 8±1 mJy s1/2. A first successful science verification run was achieved in April 2017. The instrument is currently offered to the astronomy community and will remain available for at least the following ten years.

AB - Context. Millimetre-wave continuum astronomy is today an indispensable tool for both general astrophysics studies (e.g. star formation, nearby galaxies) and cosmology (e.g. cosmic microwave background and high-redshift galaxies). General purpose, large-field-of-view instruments are needed to map the sky at intermediate angular scales not accessible by the high-resolution interferometers (e.g. ALMA in Chile, NOEMA in the French Alps) and by the coarse angular resolution space-borne or ground-based surveys (e.g. Planck, ACT, SPT). These instruments have to be installed at the focal plane of the largest single-dish telescopes, which are placed at high altitude on selected dry observing sites. In this context, we have constructed and deployed a three-thousand-pixel dual-band (150 GHz and 260 GHz, respectively 2 mm and 1.15 mm wavelengths) camera to image an instantaneous circular field-of-view of 6.5 arcmin in diameter, and configurable to map the linear polarisation at 260 GHz. Aims. First, we are providing a detailed description of this instrument, named NIKA2 (New IRAM KID Arrays 2), in particular focussing on the cryogenics, optics, focal plane arrays based on Kinetic Inductance Detectors, and the readout electronics. The focal planes and part of the optics are cooled down to the nominal 150 mK operating temperature by means of an adhoc dilution refrigerator. Secondly, we are presenting the performance measured on the sky during the commissioning runs that took place between October 2015 and April 2017 at the 30-m IRAM telescope at Pico Veleta, near Granada (Spain). Methods. We have targeted a number of astronomical sources. Starting from beam-maps on primary and secondary calibrators we have then gone to extended sources and faint objects. Both internal (electronic) and on-the-sky calibrations are applied. The general methods are described in the present paper. Results. NIKA2 has been successfully deployed and commissioned, performing in-line with expectations. In particular, NIKA2 exhibits full width at half maximum angular resolutions of around 11 and 17.5 arcsec at respectively 260 and 150 GHz. The noise equivalent flux densities are, at these two respective frequencies, 33±2 and 8±1 mJy s1/2. A first successful science verification run was achieved in April 2017. The instrument is currently offered to the astronomy community and will remain available for at least the following ten years.

KW - Cosmic background radiation

KW - Instrumentation: detectors

KW - Instrumentation: photometers

KW - Instrumentation: polarimeters

KW - Submillimeter: galaxies

KW - Submillimeter: ISM

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