ALMACAL VII: first interferometric number counts at 650 mu m

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ALMACAL VII : first interferometric number counts at 650 mu m. / Klitsch, A.; Zwaan, M. A.; Smail, Ian; Peroux, C.; Biggs, A. D.; Chen, Chian-Chou; Ivison, R. J.; Popping, G.; Lagos, C.; Bethermin, M.; Swinbank, A. M.; Hamanowicz, A.; Dutta, R.

In: Monthly Notices of the Royal Astronomical Society, Vol. 495, No. 2, 06.2020, p. 2332-2341.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Klitsch, A, Zwaan, MA, Smail, I, Peroux, C, Biggs, AD, Chen, C-C, Ivison, RJ, Popping, G, Lagos, C, Bethermin, M, Swinbank, AM, Hamanowicz, A & Dutta, R 2020, 'ALMACAL VII: first interferometric number counts at 650 mu m', Monthly Notices of the Royal Astronomical Society, vol. 495, no. 2, pp. 2332-2341. https://doi.org/10.1093/mnras/staa1315

APA

Klitsch, A., Zwaan, M. A., Smail, I., Peroux, C., Biggs, A. D., Chen, C-C., Ivison, R. J., Popping, G., Lagos, C., Bethermin, M., Swinbank, A. M., Hamanowicz, A., & Dutta, R. (2020). ALMACAL VII: first interferometric number counts at 650 mu m. Monthly Notices of the Royal Astronomical Society, 495(2), 2332-2341. https://doi.org/10.1093/mnras/staa1315

Vancouver

Klitsch A, Zwaan MA, Smail I, Peroux C, Biggs AD, Chen C-C et al. ALMACAL VII: first interferometric number counts at 650 mu m. Monthly Notices of the Royal Astronomical Society. 2020 Jun;495(2):2332-2341. https://doi.org/10.1093/mnras/staa1315

Author

Klitsch, A. ; Zwaan, M. A. ; Smail, Ian ; Peroux, C. ; Biggs, A. D. ; Chen, Chian-Chou ; Ivison, R. J. ; Popping, G. ; Lagos, C. ; Bethermin, M. ; Swinbank, A. M. ; Hamanowicz, A. ; Dutta, R. / ALMACAL VII : first interferometric number counts at 650 mu m. In: Monthly Notices of the Royal Astronomical Society. 2020 ; Vol. 495, No. 2. pp. 2332-2341.

Bibtex

@article{bd2682dcd6344ca7a11b61c3ea1fdd86,
title = "ALMACAL VII: first interferometric number counts at 650 mu m",
abstract = "Measurements of the cosmic far-infrared background (CIB) indicate that emission from many extragalactic phenomena, including star formation and black hole accretion, in the Universe can be obscured by dust. Resolving the CIB to study the population of galaxies in which this activity takes place is a major goal of submillimetre astronomy. Here, we present interferometric 650 mu m submillimetre number counts. Using the Band 8 data from the ALMACAL survey, we have analysed 81 ALMA calibrator fields together covering a total area of 5.5 arcmin(2). The typical central rms in these fields is similar to 100 mu Jy beam(-1) with the deepest maps reaching sigma = 47 mu Jy beam(-1) at sub-arcsec resolution. Multiwavelength coverage from ALMACAL allows us to exclude contamination from jets associated with the calibrators. However, residual contamination by jets and lensing remain a possibility. Using a signal-to-noise threshold of 4.5 sigma, we find 21 dusty, star-forming galaxies with 650 mu m flux densities of >= 0.7 mJy. At the detection limit we resolve similar or equal to 100 per cent of the CIB at 650 mu m, a significant improvement compared to low-resolution studies at similar wavelength. We have therefore identified all the sources contributing to the EBL at 650 mu m and predict that the contribution from objects with flux 0.7 mJy will be small.",
keywords = "galaxies: evolution, galaxies: starburst, submillimetre: galaxies, COSMOLOGY LEGACY SURVEY, DEGREE EXTRAGALACTIC SURVEY, AZTEC/ASTE 1.1-MM SURVEY, DEEP FIELD, SOURCE CATALOG, REDSHIFT SURVEY, RADIO-SOURCES, SUBMILLIMETER, GALAXY, MAPS",
author = "A. Klitsch and Zwaan, {M. A.} and Ian Smail and C. Peroux and Biggs, {A. D.} and Chian-Chou Chen and Ivison, {R. J.} and G. Popping and C. Lagos and M. Bethermin and Swinbank, {A. M.} and A. Hamanowicz and R. Dutta",
year = "2020",
month = jun,
doi = "10.1093/mnras/staa1315",
language = "English",
volume = "495",
pages = "2332--2341",
journal = "Royal Astronomical Society. Monthly Notices",
issn = "0035-8711",
publisher = "Oxford University Press",
number = "2",

}

RIS

TY - JOUR

T1 - ALMACAL VII

T2 - first interferometric number counts at 650 mu m

AU - Klitsch, A.

AU - Zwaan, M. A.

AU - Smail, Ian

AU - Peroux, C.

AU - Biggs, A. D.

AU - Chen, Chian-Chou

AU - Ivison, R. J.

AU - Popping, G.

AU - Lagos, C.

AU - Bethermin, M.

AU - Swinbank, A. M.

AU - Hamanowicz, A.

AU - Dutta, R.

PY - 2020/6

Y1 - 2020/6

N2 - Measurements of the cosmic far-infrared background (CIB) indicate that emission from many extragalactic phenomena, including star formation and black hole accretion, in the Universe can be obscured by dust. Resolving the CIB to study the population of galaxies in which this activity takes place is a major goal of submillimetre astronomy. Here, we present interferometric 650 mu m submillimetre number counts. Using the Band 8 data from the ALMACAL survey, we have analysed 81 ALMA calibrator fields together covering a total area of 5.5 arcmin(2). The typical central rms in these fields is similar to 100 mu Jy beam(-1) with the deepest maps reaching sigma = 47 mu Jy beam(-1) at sub-arcsec resolution. Multiwavelength coverage from ALMACAL allows us to exclude contamination from jets associated with the calibrators. However, residual contamination by jets and lensing remain a possibility. Using a signal-to-noise threshold of 4.5 sigma, we find 21 dusty, star-forming galaxies with 650 mu m flux densities of >= 0.7 mJy. At the detection limit we resolve similar or equal to 100 per cent of the CIB at 650 mu m, a significant improvement compared to low-resolution studies at similar wavelength. We have therefore identified all the sources contributing to the EBL at 650 mu m and predict that the contribution from objects with flux 0.7 mJy will be small.

AB - Measurements of the cosmic far-infrared background (CIB) indicate that emission from many extragalactic phenomena, including star formation and black hole accretion, in the Universe can be obscured by dust. Resolving the CIB to study the population of galaxies in which this activity takes place is a major goal of submillimetre astronomy. Here, we present interferometric 650 mu m submillimetre number counts. Using the Band 8 data from the ALMACAL survey, we have analysed 81 ALMA calibrator fields together covering a total area of 5.5 arcmin(2). The typical central rms in these fields is similar to 100 mu Jy beam(-1) with the deepest maps reaching sigma = 47 mu Jy beam(-1) at sub-arcsec resolution. Multiwavelength coverage from ALMACAL allows us to exclude contamination from jets associated with the calibrators. However, residual contamination by jets and lensing remain a possibility. Using a signal-to-noise threshold of 4.5 sigma, we find 21 dusty, star-forming galaxies with 650 mu m flux densities of >= 0.7 mJy. At the detection limit we resolve similar or equal to 100 per cent of the CIB at 650 mu m, a significant improvement compared to low-resolution studies at similar wavelength. We have therefore identified all the sources contributing to the EBL at 650 mu m and predict that the contribution from objects with flux 0.7 mJy will be small.

KW - galaxies: evolution

KW - galaxies: starburst

KW - submillimetre: galaxies

KW - COSMOLOGY LEGACY SURVEY

KW - DEGREE EXTRAGALACTIC SURVEY

KW - AZTEC/ASTE 1.1-MM SURVEY

KW - DEEP FIELD

KW - SOURCE CATALOG

KW - REDSHIFT SURVEY

KW - RADIO-SOURCES

KW - SUBMILLIMETER

KW - GALAXY

KW - MAPS

U2 - 10.1093/mnras/staa1315

DO - 10.1093/mnras/staa1315

M3 - Journal article

VL - 495

SP - 2332

EP - 2341

JO - Royal Astronomical Society. Monthly Notices

JF - Royal Astronomical Society. Monthly Notices

SN - 0035-8711

IS - 2

ER -

ID: 247026024